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Hair & Scalp Properties Flashcards

7 cards from real Cosmetology Test practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Hair & Scalp Properties flashcards as text

  1. What is the outermost protective layer of the hair shaft called?

    Answer: Cuticle

    The cuticle is the outermost layer, made of overlapping scale-like cells that protect the inner layers of the hair shaft.

  2. A client's hair snaps when stretched slightly. This indicates low:

    Answer: Elasticity

    Low elasticity means hair cannot stretch and return to its original shape without breaking.

  3. What is the scientific name for the protein that makes up the majority of the hair strand?

    Answer: Keratin

    Hair is composed primarily of keratin, a fibrous structural protein.

  4. Which scalp condition is characterized by an overproduction of skin cells resulting in white or yellowish flakes?

    Answer: Seborrheic dermatitis

    Seborrheic dermatitis (dandruff) is caused by an overproduction of skin cells and can produce white or yellowish oily flakes.

  5. Hair texture refers to which characteristic of the individual hair strand?

    Answer: The diameter or thickness of the hair strand

    Hair texture describes the diameter of the individual hair strand, classified as fine, medium, or coarse.

  6. What is the term for the blood vessel-rich structure at the base of the follicle that nourishes hair?

    Answer: Dermal papilla

    The dermal papilla is a finger-like projection at the base of the follicle containing blood vessels that supply nutrients for hair growth.

  7. Which pH range best describes the natural pH of hair and scalp?

    Answer: 4.5–5.5

    The natural pH of hair and scalp is between 4.5 and 5.5, which is slightly acidic.