Hair Growth Cycle: Anagen, Catagen, and Telogen Phases

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Questions and Answers

The 'Active' growth phase of hair is also known as which of the following?

  • Canities
  • Telogen
  • Anagen (correct)
  • Catagen

What is the typical duration of the Anagen phase, also known as the active or primary phase, of hair follicle growth?

  • 2 - 4 years
  • 2 - 6 years (correct)
  • 4 - 6 years
  • 1 - 2 years

Approximately how much does hair grow during the Anagen phase?

  • $1/2$ inch per month (correct)
  • 1 inch per month
  • $3/4$ inch per month
  • $1/4$ inch per month

Which stage of hair growth is often referred to as the 'Transition Stage'?

<p>Catagen (C)</p> Signup and view all the answers

What is the average duration of the Catagen stage of hair growth?

<p>2-3 weeks (B)</p> Signup and view all the answers

During which stage of hair growth is a 'Club Hair' formed?

<p>Catagen (A)</p> Signup and view all the answers

The formation of which type of hair signals the end of the Catagen stage of hair growth?

<p>Club hair (D)</p> Signup and view all the answers

'Active' and 'Primary' are terms associated with which stage of the hair growth cycle?

<p>Anagen (B)</p> Signup and view all the answers

Which phase of the hair growth cycle is often referred to as the 'resting phase'?

<p>Telogen (A)</p> Signup and view all the answers

What event is signaled by the Catagen stage in the hair growth cycle?

<p>The active growing stage (B)</p> Signup and view all the answers

What is the approximate duration of the Telogen phase of hair follicle growth?

<p>3 to 6 months (D)</p> Signup and view all the answers

Which phase is generally known to be the longest in the hair follicle growth cycle?

<p>Anagen (D)</p> Signup and view all the answers

What percentage of hair, on average, is in the Anagen stage at any given time?

<p>90% (A)</p> Signup and view all the answers

Which stage of hair growth cycle is most hair in at any given time for the average person?

<p>Anagen (B)</p> Signup and view all the answers

Which stage of hair growth is characterized by the slowing down of hair growth?

<p>Catagen (B)</p> Signup and view all the answers

What is another common name for the Telogen stage?

<p>Resting / dormant stage (C)</p> Signup and view all the answers

Approximately how much would you expect the hair of an average person to grow within 1 year?

<p>6 inches (B)</p> Signup and view all the answers

If a stylist is cutting a client's hair. And it requires a trim of the same length as 6 months prior, how much needs to be removed?

<p>3 inches (C)</p> Signup and view all the answers

What is the term that defines shaving, as the cutting or removal of the hair the at the level of the skin?

<p>Depilation (D)</p> Signup and view all the answers

Short, fine, soft hair with pigment is best described by:

<p>Lanugo (C)</p> Signup and view all the answers

Short, fine, light colored/unpigmented hair, often observed on women and children is best described by:

<p>Vellus (B)</p> Signup and view all the answers

How does extremely curly hair tend to grow compared to the typical growth rate?

<p>Somewhat slower than the $1/2$ norm (C)</p> Signup and view all the answers

Short hairs, 1 to 2 centimeters in length, containing little or no pigment, are best described by:

<p>Vellus (B)</p> Signup and view all the answers

The term Canities is another term for what:

<p>Gray hair (B)</p> Signup and view all the answers

This short, fine, pigmented hair is often observed on premature babies:

<p>Lanugo (C)</p> Signup and view all the answers

Normal wet hair can be stretched what percentage of its length without incurring damage?

<p>40 - 50% (A)</p> Signup and view all the answers

What aspect of hair does the follicle primarily determine?

<p>Shape, size, and direction of growth (C)</p> Signup and view all the answers

Which type of croquignole curl (roller set/curling iron) creates the least amount of movement in the hair?

<p>No stem / On base (A)</p> Signup and view all the answers

Which of the following is NOT considered a component of a pin curl?

<p>Strand (C)</p> Signup and view all the answers

During finger waving, what is the likely result if the comb cannot penetrate the hair at the scalp?

<p>A weak wave (C)</p> Signup and view all the answers

What is the MOST important factor in achieving a strong finger wave?

<p>Being certain the hair at the scalp is moving (C)</p> Signup and view all the answers

What term describes a hair set using alternating rows of pin curls and finger waves?

<p>Skip Waves (A)</p> Signup and view all the answers

What effect does an 'On-Base' or 'No-Stem' placement have on the resulting hair style?

<p>More volume, less movement (B)</p> Signup and view all the answers

Which type of curl placement creates the GREATEST degree of movement or softness in a hairstyle?

<p>Full stem / off base (C)</p> Signup and view all the answers

Which base shape is BEST suited for barrel curls?

<p>Rectangular (D)</p> Signup and view all the answers

Which type of placement will create the LEAST degree of movement or softness?

<p>No stem / on base (A)</p> Signup and view all the answers

What is the effect of 'Off-Base' placement on the hair?

<p>Less volume (D)</p> Signup and view all the answers

What styling effect is achieved when a roller is placed half off-base?

<p>Medium volume (B)</p> Signup and view all the answers

What is the recommended way to handle shears when pausing momentarily during a haircut?

<p>Palm them, closed, facing the stylist (D)</p> Signup and view all the answers

Which of the following describes the components of a pin curl?

<p>Stem, base, and circle (B)</p> Signup and view all the answers

What is the effect of a 'no stem' pin-curl or an 'on base' roller set?

<p>Tight, firm, long lasting curl (D)</p> Signup and view all the answers

What type of curl should be used to create a tight, firm, long-lasting effect?

<p>On base curls (C)</p> Signup and view all the answers

Which of the following statements is the MOST accurate?

<p>All of the above are correct (D)</p> Signup and view all the answers

To produce a tight, long-lasting curl exactly on-base, what technique should be used?

<p>Over direction (D)</p> Signup and view all the answers

Which of the following curl placements creates the firmest curl with the strongest wave pattern?

<p>No stem / On base (D)</p> Signup and view all the answers

From what part of a pin-curl does it receive both its direction and mobility?

<p>Stem (C)</p> Signup and view all the answers

Which curl placement will result in the weakest or loosest wave pattern?

<p>Full stem / Off base (C)</p> Signup and view all the answers

What type of curls or waves should a stylist use to create the greatest movement or mobility?

<p>Off base or full stem curls (C)</p> Signup and view all the answers

Which roller set technique would create a strong curl pattern, yet still allow for looseness in the finished style?

<p>Half stem / Half off base (B)</p> Signup and view all the answers

When the stem direction is towards the face, it is:

<p>Forward movement (A)</p> Signup and view all the answers

If a client requests a haircut to match a previous style from six months ago, and hair typically grows 1/2 inch per month, approximately how much hair should be cut?

<p>3 inches (B)</p> Signup and view all the answers

Which of the following terms accurately describes the removal of hair at the skin level, often achieved through shaving?

<p>Depilation (C)</p> Signup and view all the answers

What type of hair is characterized as short, fine, and soft, typically containing pigment?

<p>Terminal (D)</p> Signup and view all the answers

Which of the following accurately describes vellus hair?

<p>Long, coarse, pigmented hair found on the scalp. (B)</p> Signup and view all the answers

Compared to the typical rate, approximately how does extremely curly hair tend to grow?

<p>Somewhat slower than the normal rate of 1/2 inch per month. (B)</p> Signup and view all the answers

Which of the following describes hair that is 1 to 2 centimeters in length and contains little to no pigment?

<p>Vellus hair (B)</p> Signup and view all the answers

What hair condition is 'Canities' another term for?

<p>Gray hair (C)</p> Signup and view all the answers

What type of hair is common to premature babies?

<p>Lanugo hair (C)</p> Signup and view all the answers

Without causing breakage, approximately what percentage can normal wet hair be stretched?

<p>40-50% (A)</p> Signup and view all the answers

What primary characteristic of hair does the follicle determine?

<p>Shape, direction, and texture (C)</p> Signup and view all the answers

Which type of croquignole curl technique typically results in the LEAST amount of movement?

<p>No stem / On base (C)</p> Signup and view all the answers

During finger waving, what is most likely the problem if the comb cannot penetrate the hair at the scalp?

<p>A weak wave (C)</p> Signup and view all the answers

What factor is MOST crucial in achieving a strong finger wave?

<p>Ensuring that the hair at the scalp is moving (C)</p> Signup and view all the answers

What is the term for a hair setting technique that uses alternating rows of pin curls and finger waves to achieve a specific style?

<p>Skip Waves (B)</p> Signup and view all the answers

What affect does an 'on base' placement have on the resulting hair style?

<p>More volume, less movement (A)</p> Signup and view all the answers

Which type of pin curl placement creates the GREATEST degree of movement?

<p>Full stem / off base (D)</p> Signup and view all the answers

What styling effect results from placing a roller half off-base?

<p>Medium volume (C)</p> Signup and view all the answers

What is the recommended way to handle shears when pausing momentarily during a haircut to ensure safety and professionalism?

<p>Palm them, closed, facing the stylist (A)</p> Signup and view all the answers

If a stylist aims to produce a tight, long-lasting curl directly on-base, which technique should they employ?

<p>No stem curls (C)</p> Signup and view all the answers

What type of hair is short, fine, and has pigment?

<p>Lanugo (D)</p> Signup and view all the answers

When cutting a client's hair in January, then cutting it again 6 months later to the same length, what length should be removed?

<p>3 inches (C)</p> Signup and view all the answers

What is the term for cutting or removing hair at the level of the skin?

<p>Depilation (C)</p> Signup and view all the answers

What BEST describes extremely curly hair growth?

<p>Somewhat slower than the ½ norm (A)</p> Signup and view all the answers

What hair presentation are you seeing, if you see short hairs from 1–2 centimeters with little or no pigment?

<p>Vellus (B)</p> Signup and view all the answers

What common word is 'Canities' referring to?

<p>Gray hair (B)</p> Signup and view all the answers

What is the percentage a normal strand of wet hair can be safely stretched?

<p>40-50% (C)</p> Signup and view all the answers

Which hair follicle feature MOST influences its overall characteristics?

<p>Shape, size, and direction of growth (C)</p> Signup and view all the answers

What type of croquignole curl creates the least amount of movement or volume?

<p>No stem / On base (D)</p> Signup and view all the answers

During finger waving, what will happen if the comb fails to move the hair at the scalp line?

<p>A weak wave (C)</p> Signup and view all the answers

In finger waving, what aspect is MOST important for a strong wave pattern?

<p>Be certain the hair at the scalp is moving (C)</p> Signup and view all the answers

What is the term for a hair design with alternating rows of pin curls and finger waves?

<p>Skip Waves (C)</p> Signup and view all the answers

What is the effect on the hair when pin curls/rollers are placed "On-Base"?

<p>More volume, less movement (B)</p> Signup and view all the answers

What type of curl placement creates the MOST movement and softness?

<p>Full stem / off base (B)</p> Signup and view all the answers

Which base is the BEST suited for barrel curls?

<p>Rectangular (A)</p> Signup and view all the answers

What effect does 'Off-Base' placement have on the hair?

<p>Less volume (A)</p> Signup and view all the answers

When pausing momentarily during a haircut, what is the recommended way to handle shears?

<p>Palm them, closed, facing the stylist (C)</p> Signup and view all the answers

What are pin-curls made up of?

<p>Stem, base, and circle (C)</p> Signup and view all the answers

A 'no stem' pin-curl, or an 'on base' roller set, creates:

<p>Tight, firm, long lasting curl (B)</p> Signup and view all the answers

To create a tight, firm, long lasting curl, which should you use?

<p>No stem curls (A)</p> Signup and view all the answers

How to produce a strong curl pattern, but still allow looseness in the finished set?

<p>Half stem / Half off base (B)</p> Signup and view all the answers

If the stem direction is going towards the client's face, it is referred to as:

<p>Forward movement (D)</p> Signup and view all the answers

What hair type is defined as short, fine, and soft, typically possessing pigment?

<p>Lanugo (D)</p> Signup and view all the answers

Which hair type is characterized by being short, fine, and light colored/unpigmented, commonly seen on women and children?

<p>Vellus (C)</p> Signup and view all the answers

If a client's hair was cut in January, and they return six months later requesting the same length, approximately how much hair should be removed considering average hair growth?

<p>3 inches (C)</p> Signup and view all the answers

Compared to the rate of typical hair, what kind of growth pattern does extremely curly hair display?

<p>Somewhat slower than the 1/2 norm (B)</p> Signup and view all the answers

What condition is also referred to as 'Canities'?

<p>Gray hair (B)</p> Signup and view all the answers

What type of hair is commonly observed on premature babies?

<p>Lanugo (B)</p> Signup and view all the answers

What is the approximate percentage that normal wet hair can be stretched without causing damage or breakage?

<p>40 - 50% (D)</p> Signup and view all the answers

To achieve a soft wave pattern with high mobility in a curl or wave, which stem placement is MOST suitable?

<p>Full stem / off base (C)</p> Signup and view all the answers

Which of the following curl placements yields the LEAST movement and the MOST volume?

<p>No stem / on base (C)</p> Signup and view all the answers

When pausing during a haircut, what is the recommended method for handling shears to ensure safety and professionalism?

<p>Palm them, closed, facing the stylist (D)</p> Signup and view all the answers

Which action is required to create tight, firm, long lasting curls?

<p>No stem curls (D)</p> Signup and view all the answers

What does a 'no stem' pin-curl, or an 'on base' roller set create?

<p>Tight, firm, long lasting curl (C)</p> Signup and view all the answers

The component of a pin-curl that gives both direction and mobility is the:

<p>Stem (A)</p> Signup and view all the answers

When a client wants both a perm and hair color, what is the typical order they should be performed in?

<p>Perm then color (C)</p> Signup and view all the answers

In hair coloring, what does it mean when you use the word 'Complimentary'?

<p>Opposite (C)</p> Signup and view all the answers

If a client's hair has been lightened to a pale yellow and they want to neutralize warmth, which toner base color should be applied?

<p>Violet (B)</p> Signup and view all the answers

What strength of hydrogen peroxide would you use if you wanted NO lift, and deposit only?

<p>5 volume (C)</p> Signup and view all the answers

To achieve maximum lift in a one-process color application, which developer volume should generally be used?

<p>12% or 40 volume (B)</p> Signup and view all the answers

Approximately how long does a bleach mixture typically maintain its potency after mixing?

<p>2 hours (D)</p> Signup and view all the answers

If a stylist wants to remove tint/artificial color, which product is recommended?

<p>Dye solvent (C)</p> Signup and view all the answers

Which layer of the hair would contain the melanin?

<p>Cortex (A)</p> Signup and view all the answers

When white hair is discolored with yellow streaks, which of the following products will camouflage the unwanted color tone?

<p>A bluing rinse (A)</p> Signup and view all the answers

Which of the following does NOT belong to the family of Aniline derivative tints?

<p>Vegetable dyes (D)</p> Signup and view all the answers

Flashcards

Anagen

The 'active' growth phase of hair.

Anagen Phase Length

Approximate duration of the Anagen or active phase of hair follicle growth.

Catagen Stage

The Catagen stage of hair growth is known as the transition stage.

Catagen Stage Length

Approximate duration of the Catagen stage/state of hair growth.

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Club Hair

Forms during the catagen stage

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Resting phase

The telogen stage for hair.

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Telogen Length

Length of time the telogen stage/state lasts.

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Anagen phase

The duration of hairs growth cycle.

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Telogen Phase

The life of a hair shaft is also known as the resting phase

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Catagen Stage signals

Signals the end of active growing stage.

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Depilation

Hair removal by cutting/removing hair at the level of the skin.

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Lanugo

Short, pigmented

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Vellus

Short, light colored, observed on women and children

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Canities

Another name for Gray hair

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Hair Follicle

Shape size and direction of growth.

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achieving a strong finger wave

Hair is moved at the scalp

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Skip waves

Combination of pincurls and finger waves.

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No stem

Another word for 'on base'.

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Closed End

Hair closest to head in roller-set.

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Splits

Triangular shapes are in a pin-curl set should be used for what?

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40 volume

Maximum lift in a one-process color.

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Acids

Takes the least time to rinse.

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Cortex area

Where you would find melanin

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Violet

Used to neutralize unwanted hair color.

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Permanent color

Used for maximum coverage for those will 80% grey hair

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Hair Growth in Anagen

During the Anagen/Active/Primary growth phase, hair grows approximately 1/2 inch per month.

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Club hair formation

Signals the end of the catagen stage.

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Most hair in which phase?

The hairs present in the anagen stage at any given time.

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Annual hair growth

How fast the hair of an average person grows in one year.

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Wet hair stretch

A hair can be stretched this % of its length when wet without damage or breakage.

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Dry hair stretch

A hair can be stretched this % of its length when dry without damage or breakage.

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No stem curl

Creates the least movement in the hair.

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Skip waves hair set

Alternating rows of pin-curls and finger waves styled.

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On-Base Placement

Effect of this placement is more volume, less movement.

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Full stem placement

Type of pin curl placement creates the greatest degree of movement or softness.

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No stem placement

Placement creates the least degree of movement.

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Off-Base Placement

This effect placement produces less volume.

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Pin-Curl Stem

Curl which receives direction and mobility from its stem.

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On-Base

Would create the firmest curl with the strongest wave pattern.

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Full Stem

Would create a curl with the weakest/loosest wave pattern.

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Forward Movement

If stem direction is going towards the client's face.

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On base, no stem

For max volume, use rollers here.

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Acid Wave

Permanent wave which causes the least swelling/opening of the cuticle

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Triangular Bases

The type of bases used the most in a pin-curl set to create the most volume.

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Hair Breakage

Over oxidation in any chemical process, may result in:

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Telogen Stage is Also Known As

Telogen stage is also known as the resting or dormant stage.

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Curly Hair Growth Rate

Extremely curly hair tends to grow somewhat slower than the typical rate.

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Lanugo Hair

Lanugo hair is short, fine, and soft hair, usually with pigment.

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Half Off-Base Roller

The roller is placed half off-base to achieve medium volume.

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Handling shears

Best to handle your shears by palming them closed, facing the stylist.

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Pin-curl component

Base, stem and circle.

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Hair percentage in anagen

Most hair in Anagen stage

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Complimentary Colors

The opposite of same

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Law Of Color

If you want the color to darken

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Henna

Henna will produce Orange color

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Which Comes First

A perm should be done before color

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Compact Cuticle

Hair can be resistant and non-porous

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Most Soap is what?

Most soaps contain alkaline product.

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Strand test

Aniline derivative must include an strand test

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PH

Acid counteracts the shampoo's effect

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Vellus Hair

Short hairs, 1 to 2 centimeters in length, containing little or no pigment.

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Dye Solvent

A product designed to remove artificial color from the hair.

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Acid Rinse

A mild acid rinse, such as vinegar, can be used to lower the water pH

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Shampoo pH

Most shampoos are Alkaline.

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Highlighting shampoo contains

Highlights made by adding ammonia water and H2O2

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Scalp and virgin hair bleach

A virgin bleach or high-lift color process more quickly near it

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Certified Colors and allergy

Aniline derivative tints, requiring a predisposition test.

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Dye removal

Dye solvent removes old, very dark tint.

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Hair with Compact Cuticle Layer

Known as hair that is difficult to work with.

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Blue and yellow makes

The color created when blue and yellow are mixed equally.

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Positive Predisposition Test

If a pre-disposition test results in a positive result, refuse to service.

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Oxidative containers

Oxidative tints are best mixed in a container made from glass or plastic.

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Pre-Color Application

Pre-softening the color to open the cuticle.

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Active and Primary

Terms that are associated with the active stage of hair growth.

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Elevation

Angle at which hair is held from the scalp during a haircut.

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Melanin

The coloring material of the hair.

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Green

Stylist puts blue based toner on hair lightened to pale yellow

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Coal Tar

Aniline derivative tints are derived from

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Color One Shade Darker

Hair is primarily grey and they show you the color chart

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On base curls

This pin-curl creates a tight, firm, long-lasting curl.

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Off base

Wet set placement that results in the least volume.

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Heat from the scalp

When performing a virgin bleach or high-lift color, why does the hair closest to the scalp process more quickly?

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Closes Cuticle

Mild acids will allow hair results to

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Blue

The best color to tone the orange from the hair

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Even width

When doing a roller (wet) set, the perfect width to parting.

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Study Notes

Hair Growth Phases

  • The active or primary phase of hair follicle growth is Anagen, this lasts 2-6 years
  • Hair grows approximately ½" inch per month during the Anagen phase
  • The Catagen stage is also known as the Transition Phase of hair growth, this lasts about 2-3 weeks
  • Club hair formation signals the end of the Catagen stage of hair growth
  • Active and Primary both apply to the Anagen stage of the hair growth cycle
  • The Telogen phase is also known as the Resting/dormant stage and lasts approximately 3 to 6 months
  • An average person's hair is 90% in the Anagen phase

Hair in the Human Body

  • The secondary stage of hair growth, where growth slows down is Catagen
  • Dormant stage is also known as the Telogen phase
  • The hair of an average person will grow 6 inches in one year
  • Hair stretching up to 40%-50% of its length without damage or breakage is considered normal for wet hair
  • The amount of stretch normal for dry hair without damage or breakage is 20%
  • January to July (6 months) would require a 3" trim to maintain the same length

Types of Hair

  • Short, fine, soft hair with pigment are Lanugo
  • Short, fine, light colored or unpigmented hair, often observed on women and children is Vellus
  • Short hairs, 1-2 centimeters in length, containing little to no pigment is also Vellus
  • Short, fine, pigmented hair often observed on premature babies is Lungo
  • Gray Hair is also known as Canities
  • Extremely curly hair typically grows somewhat slower than ½" an inch per month.

Hair Properties

  • The hair follicle determines, shape, size, and direction of growth of the hairs.
  • Melanin is the coloring material of hair.
  • Melanin can be found in the cortex layer of the hair shaft
  • Hair with a hard, closed, or compact cuticle layer is resistant, and non-porous
  • An open cuticle layer results in more porous hair

Hair Removal

  • Shaving is considered an example of depilation

Hair Styling

  • Using a croquignole curl results in the least amount of movement in the hair when set on no stem/on base roller
  • A hair set using alternating rows of pin-curls & finger waves is referred to as Skip Waves
  • "On-Base" or "No-Stem" placement on the hair results in more volume, less movement
  • Full stem and off base placement achieves the greatest degree of movement or softness
  • No stem / on Base" placement creates the least degree of movement or softness
  • Off-Base placement results in less volume
  • Half off-base placement creates medium volume
  • The best comb placement is to be certain the hair at the scalp is moving
  • Pin-curl is made of stem, base, and circle
  • No stem pin-curls is synonymous with "on base" roller sets, creating tight, firm, long lasting curls
  • For tight, long lasting curls, place your curl directly on-base using over direction
  • For maximum volume, use an on base with no stem
  • Full stem and off base makes the weakest and loosest wave pattern
  • Use off base with full stem curls when the client seeks loose curls or waves with maximum movement or mobility
  • Achieving a strong curl pattern with looseness in finished style requires half stem of half off base placement
  • Stand up pin-curls are barrel curls
  • A roller set parting should be the same size of the roller
  • In a wet set, the least resulting volume would require an off base placement
  • Combinations of pin-curls and finger waves are Skip waves
  • Forward movement is when a stem direction is going towards the client's face
  • In a roller-set, the hair/curl part closest to the head is called the closed end

Hair Color and Chemistry

  • Oxidation occurs during the Neutralization period
  • Reduction takes place during the Processing period
  • For clients wanting both, perm is recommended before color
  • Oxidation occurs when neutralizing a permanent wave
  • The diameter of the rod in a perm determines the size of the curl
  • A volumizing shampoo may increase porosity and hasten color fading
  • In hair coloring "complimentary" means opposite colors
  • Complimentary color for yellow is violet and complimentary color for red is green
  • Opposite color to yellow is violet and opposite color to red is green
  • A toner with a violet base is needed to remove warmth from hair lightened to pale yellow
  • 5 volume hydrogen peroxide (H2O2) achieves NO Lift and deposits color only
  • Bleach mixture potency lasts about 2 hours
  • The coloring material of the hair is known as melanin
  • Pastel shades are contained in toners
  • A bluing rinse can be applied to camouflage yellow streaks in white hair
  • A violet toner can be applied to correct yellow streaks on a client with white hair
  • Aniline derivative tints are derived from coal tar
  • Cream decolorization is not likely to require a predisposition test
  • Twice as much H2O2 is often used with high lift colors for a tint, as aniline derivatives,
  • Orange is not a part of the primary colors and blue is not a secondary color
  • A client with orange hair can tone the orange with blue
  • If 70%-80% of a client's hair is grey and they want it tinted to it's original color, choose one shade darker than the original color
  • A stylist using blue based toner on pale yellow hair will result in green
  • Aniline derivative tints belongs to the family of penetrating dyes
  • When mixed equally, blue and yellow primary colors make green
  • Henna on white or grey hair will react as orange
  • A neutral/platinum blonde shade on a medium brown haired client lightened to the palest yellow is achieved with violet
  • If you lighten to palest yellow and apply a blue based toner the result will be light green
  • The law of color suggests you would use blue to darken a color
  • Shortest to longest lasting, the order is temporary, semi-permanent, demi- permanent and permanent.
  • In general, tinting with blue, green, and violet are classified as being cool colors or tones
  • In general, tinting with red, orange, and yellow are classified as being warm colors or tones
  • Pale, yellow blonde tones result from the coloring effects of chamomile on very light hair
  • Permanent color offer the best coverage for maximum coverage when the client has 80 percent grey hair
  • Stylists use a filler on bleached or highlighted hair to help even out its porosity
  • Bleach and tone, in hair coloring, the expression "double process" refers to that
  • Tint back is returning the color to its original shade, whether lighter or darker
  • Dye solvent is used to remove artificial color from hair
  • Oxidative tints are best mixed in glass/plastic
  • A pre-softener is required for extremely resistant canities hair
  • Paraphenylenediamine colors is for hair
  • Alkaline is a characteristic of most soaps and shampoos
  • Most "60 second" rinses will counteract the ph of most shampoos
  • Closing the cuticle, increased shine, ridding soap/shampoo scum is achieved using mild acid such as vinegar
  • Higher hair porosity has a greater and quicker effect on hair processing times
  • Alkaline softens and swells the hair's cuticles
  • An acid rinse is a bad choice just prior to applying temporary color
  • 3% hydrogen peroxide strengths is deposit only
  • Predisposition tests with negative results mean one can go ahead with the service, on the opposite, positive results mean one must refuse service
  • Heat from the scalp speeds up the lightening process in reference to virgin and high lift coloring jobs.
  • Dye solvents are used to remove old very dark tints
  • Predisposition tests or strand tests have to be performed 24 - 48 hours in advance
  • Certified colors do not carry the risk of needing Predisposition Tests
  • Alkaline rinses have a softening and swelling effect on the hair
  • Elevation is the proper use of degrees in hair cutting.
  • Effilating or Slithering helps to remove bulk and creates mobility
  • Professional lash and brow tints are not aniline derivative.
  • Never formulate their clients hair using color that is lighter than them.

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