Straight, wavy, curly, kinky
what is the pH of hair?
4.5-5.5
what are the key components that benefit curly and coily hair?
Hydration and moisture
True or false, alopecia areata starts in adulthood
false
what hair type requires careful detailing prior to shampooing
Curly / textured hair
what face shape is narrow at the forehead and wide at the jaw and chin?
Triangle
Disulfide, hydrogen, salt
what are the three types of hair clips?
Regular clip, duckbill clip, croc/ butterfly clamp
What is the cause of pityriasis
fungal infection
why would you use a petrissage technique during a scalp massage
to loosen dead skin cells from scalp
what are the five elements of hair design?
Line, form, space, texture, color,
what is the most common reducing agent in perm solution?
Thioglycolic acid
Phase 3- sprouting stage
What are indications that the client is infected with scabies ?
Client complains of itchiness and a bumpy rash with blisters on the scalp
What is another term for dandruff?
Malassezia
What are the five principles of hair design?
Proportion, balance, rhythm, emphasis, harmony
what pH do alkaline / cold waves have?
9.0-9.6
What adds gloss and sheen to the hair while creating textural definition? (Aka silicone)
Serum
what are the two FDA approved treatments for hair loss?
Minoxidil and finasteride
What is the second ingredient that most shampoos have in common?
Primary surfactant ( base detergent)
What determines the size of side burns?
Clients ear size
what is the result of perming hair with metallic salts in it?
Hair may become discolored, have uneven curls, or break
what temperature should appliances be when used on fragile hair?
250° F
what is the technical term for knotted hair?
Trichorrhexis nodosa
what benefit does sitting under a steamer do for your hair?
Provides deep moisture