Skin and Hair Structure Quiz
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Questions and Answers

What is the top layer of the skin?

Epidermis

What part of the hair strand has no known purpose?

Medulla

What is the purpose of sebum?

To moisturise and waterproof the hair

Where is the pigment held in the hair?

<p>Cortex</p> Signup and view all the answers

What is the outermost layer of the hair?

<p>Cuticle</p> Signup and view all the answers

What is the shampoo you would use for normal hair?

<p>Herbal</p> Signup and view all the answers

What is the hair called in its natural state?

<p>Alfa keratin</p> Signup and view all the answers

What shampoo would you use for dry hair?

<p>Coconut</p> Signup and view all the answers

How is a normal scalp identified?

<p>Will look healthy and clear, free from excess oil/flakes, no irritation or redness</p> Signup and view all the answers

What does the sebaceous gland do, and what does the product it produces do?

<p>Produces sebum which moisturises and coats the hair to waterproof it</p> Signup and view all the answers

What is the cuticle made up of?

<p>Keratin 'roof' like tiles that overlap one another to help protect the hair strand</p> Signup and view all the answers

Identify identifiable factors of dry hair.

<ul> <li>Doesn't contain enough moisture</li> <li>Cuticle has become weathered &amp; porous</li> <li>Feels dry, doesn't shine, difficult to style</li> </ul> Signup and view all the answers

What is the hair called in its manipulated state after styling?

<p>Beta keratin</p> Signup and view all the answers

What is the cortex's purpose?

<p>Contains hair's pigment and moisture</p> Signup and view all the answers

What is the cuticle's purpose?

<p>Is transparent and is the protective layer of the hair</p> Signup and view all the answers

What is the medulla's purpose? Does every hair have one?

<p>The medulla has no known purpose and not every hair has one.</p> Signup and view all the answers

What shampoo would you use on psoriasis/dandruff hair?

<p>Medicated</p> Signup and view all the answers

What shampoo would you use on oily/greasy hair?

<p>Lemon and lime or shampoos that contain citric acid</p> Signup and view all the answers

What shampooing technique is stimulating and made up of small fast circular movements?

<p>Rotary</p> Signup and view all the answers

Why do we shampoo the hair?

<ul> <li>To remove natural oils</li> <li>To remove the build-up of hair care products</li> <li>To prepare the hair for treatment</li> </ul> Signup and view all the answers

Identify identifiable signs of damaged hair.

<ul> <li>Will feel rough</li> <li>Cuticle is raised and may be broken</li> <li>Will tangle easily</li> <li>Looks dull &amp; lacks shine</li> <li>May break easily when brushed</li> </ul> Signup and view all the answers

Identify identifiable signs of color/chemically treated hair.

<ul> <li>Chemicals soften cuticle to allow product penetration</li> <li>Scales dry out and may curl back</li> <li>Brushing can shave off cuticle scales</li> <li>May expose cortex, making it vulnerable</li> <li>Poor product use can cause scales to fall off</li> </ul> Signup and view all the answers

What shampoo would you use on color/chemically treated hair?

<p>Argan</p> Signup and view all the answers

Identify identifiable signs of a dry scalp.

<ul> <li>Caused by lack of sebum and moisture</li> <li>Will feel tight/irritated and itch</li> <li>Will have loose flakes of skin at the root area</li> </ul> Signup and view all the answers

Identify identifiable signs of flaky/dandruff scalp condition.

<p>Caused by a yeast that lives on human skin, releases toxins that can irritate the scalp.</p> Signup and view all the answers

Identify identifiable signs of psoriasis scalp condition.

<ul> <li>Ranges from mild to severe</li> <li>Can cover the whole scalp</li> <li>Large flaky scales can be uncomfortable/itchy</li> </ul> Signup and view all the answers

What technique is used when conditioning hair & scalp, promotes blood circulation, and is done using kneading movements?

<p>Petrissage</p> Signup and view all the answers

What technique is used when shampooing in conjunction with rotary and involves fast rubbing movements?

<p>Friction</p> Signup and view all the answers

Why is a porosity test done?

<p>To determine the porous areas of the hair, helping predict color absorption.</p> Signup and view all the answers

Study Notes

Skin and Hair Structure

  • Epidermis is the top layer of the skin, serving as a barrier.
  • Medulla of the hair strand has no known function.
  • Cortex holds the pigment and moisture of the hair.
  • Cuticle is the outermost layer of hair, made up of overlapping keratin "tiles" that protect the hair strand.

Hair and Scalp Care

  • Sebum produced by sebaceous glands moisturizes and waterproofs both hair and skin, preventing dryness and brittleness.
  • Normal scalp appears healthy, clear, and free from oil, flakes, irritations, or redness.
  • Signs of dry hair include lack of moisture, a weathered cuticle, and difficulty styling.

Shampoo Selection

  • Herbal shampoo is suitable for normal hair.
  • Coconut shampoo is recommended for dry hair.
  • Medicated shampoo is ideal for treating psoriasis and dandruff.
  • For oily hair, use lemon and lime shampoos or those containing citric acid.
  • Argan shampoo is best for color or chemically treated hair.

Hair Properties

  • Alfa keratin refers to hair in its natural state; beta keratin describes styled hair.
  • The cuticle's purpose is to protect the hair, while its condition can indicate overall health.
  • Signs of damaged hair include rough texture, dull appearance, and breakage.

Scalp Conditions

  • Dry scalp results from a lack of sebum, leading to tightness, irritation, and flakes.
  • Flaky/dandruff conditions are caused by a yeast on the skin that feeds on natural oils, causing itchiness and skin clumping.
  • Psoriasis on the scalp can range from mild scaling to severe crusting, potentially covering the entire scalp and causing discomfort.

Massage Techniques

  • Petrissage involves deep kneading movements to condition hair and promote relaxation.
  • Rotary technique consists of small circular movements stimulating the scalp during shampooing.
  • Friction technique incorporates fast rubbing motions combined with light, gentle plucking actions.

Hair Porosity

  • A porosity test determines which areas of hair are more porous; this is crucial for dyeing, as porous areas absorb color more quickly than less porous sections.

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Description

Test your knowledge on the anatomy of skin and hair, including the functions of different layers and the importance of scalp care. This quiz also covers suitable shampoo selections based on hair type. Enhance your understanding of personal care and hair health.

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