Permanent Haircolor Basics

Questions and Answers

What is a key characteristic of semipermanent colors?

They involve complicated application methods.

They do not require the use of hydrogen peroxide. (correct)

They can create permanent changes in hair color.

They require hydrogen peroxide.

How long does hair typically take to return to its natural color after using semipermanent dyes?

Ten to twelve shampoos

1 to 2 shampoos

Three to five shampoos

Six to eight shampoos (correct)

Which of the following is true when selecting a semipermanent color for a client with gray hair?

Always choose a shade lighter than their natural color.

Pick a significantly darker shade to cover gray.

Select a shade that matches the client's natural hair color. (correct)

Choose a bright, vibrant color for contrast.

What can happen with repeated applications of some semipermanent colors?

They build up on the hair shaft. Signup and view all the answers

How should you apply semipermanent color to avoid buildup on the hair shaft?

Apply only to new growth. Signup and view all the answers

What is the primary difference between semipermanent and demipermanent haircolor?

Demipermanent colors require a developer or activator. Signup and view all the answers

Why is a patch test required for semipermanent colors?

To avoid allergic reactions. Signup and view all the answers

When using ash or cool shades, how does it affect the final hair color?

It creates a color that appears darker. Signup and view all the answers

What is the primary purpose of a single-process tint?

To permanently color hair in one application Signup and view all the answers

Which agent is commonly used with single-process tints?

20-volume hydrogen peroxide Signup and view all the answers

When selecting a tint for normal porosity hair, how should the color level be adjusted?

Half level lighter than desired color Signup and view all the answers

What is a characteristic of single-process tints?

They save time by eliminating pre-lightening Signup and view all the answers

What should be selected to cover gray hair while maintaining a natural look?

A color closest to the client's natural shade Signup and view all the answers

What is advised for clients over 40 regarding hair color selection?

Keep to lighter shades of color Signup and view all the answers

Which technique begins with hair lightening before applying color?

Double-process haircoloring Signup and view all the answers

How does the porosity of hair affect color selection when tinting darker?

Normal porosity should use the same level as the desired color Signup and view all the answers

Study Notes

Permanent Haircolor

Permanent haircolor contains aniline derivative color molecules and is mixed with a developer, allowing for long-lasting results.
Available in liquid, cream, and gel forms; used in either single-process or double-process applications.

Single-Process Tints

Single-process tints enable permanent coloring in one step, applied to dry hair.
No pre-shampooing, pre-softening, or pre-lightening is needed, saving time and simplifying the process.
Formulated for use with 20-volume hydrogen peroxide; varying peroxide volumes affect color outcomes.
Color range varies from deepest black to lightest blond; can lighten or darken hair relative to the client’s natural color.
Effective in blending gray hair, toning down streaks, and addressing discoloration or faded ends.

Color Selection for Single-Process Tints

Hair porosity affects color choice; guidelines include:
- Normal porosity: choose half level lighter than desired.
- Slightly porous: select one level lighter.
- Very porous: opt for one to two levels lighter.
General rules for gray hair:
- To match natural hair and cover gray: select a color close to natural shade.
- To lighten and cover gray: choose a shade lighter than natural.
- To darken hair and cover gray: pick a color darker than natural.
Incorporate a natural shade when aiming for vibrant color to enhance coverage.

Double-Process Haircoloring

Consists of initially lightening hair, followed by tinting or toning.
Hair color harmony may change with age; lighter shades recommended for clients over 40 or 50.

Characteristics of Semipermanent Colors

No hydrogen peroxide required; self-penetrating colors stain the cuticle and cortex.
Color typically returns to natural shade after six to eight shampoos with gentle products.
Requires a patch test due to aniline derivatives; some may need pre-shampooing.
Follow manufacturer guidelines for best results.

Selecting Semipermanent Color

Artificial colors mixed with natural pigments darken hair shaft.
Color chart should represent the natural shade as half the formula.
Ash or cool shades yield darker results than warm shades, which reflect light and appear shinier.
For clients with up to 25% gray, choose a shade matching their natural color.

Special Problems and Solutions

Semipermanent colors may build up with repeated applications; tackle buildup by:
- Applying color solely to new growth.
- Processing until desired shade is achieved, then wet hair and blend for a few minutes before rinsing.

Demipermanent Haircolor

Considered deposit-only; application procedures mirror those of semipermanent colors.
Requires mixing with a low-volume developer or activator prior to application.
Adhere to manufacturer’s guidelines for color selection and processing.

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Description

Explore the essentials of permanent haircolor, including the components like aniline derivatives and developers. Learn about the different forms of color, such as liquids, creams, and gels, and discover the straightforward process of single-process tints used in hairdressing.