TDLR COSMETOLOGY COMPREHENSIVE
EXAM 2026 QUESTIONS WITH SOLUTIONS
GRADED A+
◉ What is the purpose of hair? Answer: Adornment and protection from
heat, cold and injury
◉ Is hair alive? Answer: Only the cells of the hair bulb are alive. The
hair fiber or strand itself is not alive.
◉ Hair bulb formation. Answer: -Forms in the basal layer
-works it's way down into the lower layer of skin for nourishment
-pulls upper layer down with it, creating the root sheath
◉ Where does the hair grow from? Answer: root sheath
◉ What is at the base of the hair follicle ? Answer: papilla
◉ In what layer is pigmentation and elasticity found and where does
transformation take place? Answer: The cortex, soft and elastic
, ◉ What is the outer covering of the hair shaft? Answer: Cuticle, hard
and resistent , it is the protective part of the skin
◉ What is the cental core of the hair shaft? Answer: Medulla
◉ what mixes with pespiration to form the acid mantle ? Answer:
Sebum(oil)
◉ What prevents hair and skin from becoming to dry ? Answer:
Sebaceous (oil)
◉ What does the Acid mantle do ? Answer: Protects cuticle of hair fiber
and maintains the natural pH of hair and skin
◉ Keratization. Answer: Cells change their shape, dry out and form
keratin protien.
◉ What are the stages of Hair growth. Answer: anagen, catagen, telogen
◉ What is anagen? Answer: active hair growth phase
◉ What is catagen. Answer: The 2nd, transitional phase of hair growth
cycle where the hair begins to destroy itself as it disconnects from the
papilla (shortest phase)
EXAM 2026 QUESTIONS WITH SOLUTIONS
GRADED A+
◉ What is the purpose of hair? Answer: Adornment and protection from
heat, cold and injury
◉ Is hair alive? Answer: Only the cells of the hair bulb are alive. The
hair fiber or strand itself is not alive.
◉ Hair bulb formation. Answer: -Forms in the basal layer
-works it's way down into the lower layer of skin for nourishment
-pulls upper layer down with it, creating the root sheath
◉ Where does the hair grow from? Answer: root sheath
◉ What is at the base of the hair follicle ? Answer: papilla
◉ In what layer is pigmentation and elasticity found and where does
transformation take place? Answer: The cortex, soft and elastic
, ◉ What is the outer covering of the hair shaft? Answer: Cuticle, hard
and resistent , it is the protective part of the skin
◉ What is the cental core of the hair shaft? Answer: Medulla
◉ what mixes with pespiration to form the acid mantle ? Answer:
Sebum(oil)
◉ What prevents hair and skin from becoming to dry ? Answer:
Sebaceous (oil)
◉ What does the Acid mantle do ? Answer: Protects cuticle of hair fiber
and maintains the natural pH of hair and skin
◉ Keratization. Answer: Cells change their shape, dry out and form
keratin protien.
◉ What are the stages of Hair growth. Answer: anagen, catagen, telogen
◉ What is anagen? Answer: active hair growth phase
◉ What is catagen. Answer: The 2nd, transitional phase of hair growth
cycle where the hair begins to destroy itself as it disconnects from the
papilla (shortest phase)
