Podcast
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?
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What is the outermost layer of the hair?
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What is the shampoo you would use for normal hair?
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What is the hair called in its natural state?
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What shampoo would you use for dry hair?
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How is a normal scalp identified?
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What does the sebaceous gland do, and what does the product it produces do?
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What is the cuticle made up of?
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Identify identifiable factors of dry hair.
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What is the hair called in its manipulated state after styling?
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What is the cortex's purpose?
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What is the cuticle's purpose?
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What is the medulla's purpose? Does every hair have one?
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What shampoo would you use on psoriasis/dandruff hair?
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What shampoo would you use on oily/greasy hair?
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What shampooing technique is stimulating and made up of small fast circular movements?
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Why do we shampoo the hair?
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Identify identifiable signs of damaged hair.
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Identify identifiable signs of color/chemically treated hair.
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What shampoo would you use on color/chemically treated hair?
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Identify identifiable signs of a dry scalp.
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Identify identifiable signs of flaky/dandruff scalp condition.
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Identify identifiable signs of psoriasis scalp condition.
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What technique is used when conditioning hair & scalp, promotes blood circulation, and is done using kneading movements?
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What technique is used when shampooing in conjunction with rotary and involves fast rubbing movements?
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Why is a porosity test done?
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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.