The Scientific study of hair and its diseases
Trichology
Hair is made up of hard protein called?
Keratin
How much hair you have on your body is determined by:
Genetics
True/False: Hair formation actually begins before birth.
True
The hair on the fetus is extremely soft and downy is known as:
Lanugo
True/False: Hair protects the body from environmental elements and ultraviolet rays.
True
The _________ is a thick, club-shaped structure that forms the lower part of the hair root.
Hair Bulb
The final, or resting, stage of hair growth. During this stage, the hair is at its full size and is erect in the follicle.
Telogen
Is the transition stage of hair growth, in this stage, the hair shaft grows upward and detaches itself from the bulb.
Catagen
The__________ is a cone shaped elevation at the base of the follicle, fits into the bulb.
Hair Papilla
Excessive hair growth on the face, arms, and legs, especially in women.
Hirsutism
The Process of removing hair by means of electricity, is considered the only true method of permanent hair removal (versus permanent hair reduction).
Electrolysis
The process of removing hair at or near the surface of the skin.
Depilation
Ancient method of hair removal, dating back to the Egyptians. It is an alternative for those who have sensitive skin or react to waxes with bumps and redness.
Sugaring
The process of removing hair from the bottom of the follicle by breaking contact between the bulb and the papilla. Give two examples.
Epilation.
Tweezing, waxing, sugaring
One advantage to sugaring is that hair can be removed if its only _____ inch long.
The Sugar paste only adheres to the _________, making removal more comfortable.
Hair
Name three contraindications for waxing.
Recent chemical peels, prescription topicals, roscea, pustules/papules, blood thinners, microdermabrasion, injectables, varicose veins/diabetes(legs waxing)
True/false: waxing over an area several times is recommended.
Fase
Post waxing precautions include: (Name Three)
Avoid sun exposure, exfoliation, excessive heat, creams with fragrance.
_______wax or "strip less" wax is applied directly to the skin in a thick "wet" layer that hardens as it cools.
Hard
Excessive hair growth, forms in places where hair does not normally grow. ie. Palms, soles, ears, forehead.
Hypertrichosis
Inserts into the base of the follicle, when this muscle contacts, the hair stands straight up causing goose bumps.
Arrector Pili Muscle
Before tweezing apply a mild _________ to the client's skin.
Antiseptic
The Main Structures of the hair unit or the area below the skin surface are the (5):
Follicle, bulb, papilla, arrector pili muscle, and sebaceous glands.
_____________ destroys the hair by coagulating the papilla through heat.
Thermolysis
____________ uses intense light to destroy the growth cells of the hair bulb.
Photo epilation
Term for infected follicles or ingrown hairs.
Barbae Folliculitis
Razor bumps or ingrown hairs without pus or infection
Pseudo folliculitis
The average hair growth on the scalp is _______ inch per month.
One- half