Scalp Disorders
excessive production of skin cells (Dandruff)
Define Hair Texture
thickness of the individual hair
Also known as gray hair
Canities
3 types of hair texture
coarse medium fine
How much protein is found is hair?
90%
What causes Dandruff?
Malassezia
4 senses required for a hair analysis
Also known as variety of canities
Ringed hair
The largest diameter
Coarse Hair
5 elements found in skin and nails
carbon oxygen hydrogen nitrogen and sulfur
True or False? Dandruff is contagious
False Dandruff is not contagious
3 types of hair texture
coarse medium and fine
What causes canities
prolonged anxiety or illness
Which texture is the most common?
Medium
Define amino acids
proteins that are made up of long chains
Two types of Dandruff
Pityriasis capitis simplex
pityriasis steatoides
4 main factors of a hair analysis
texture density porosity and elasticity
Technical term for split ends
Trichoptilosis
Define Fine Hair
fragile smallest diameter
3 types of side bonds
hydrogen salt and disulfide
Name the infections that cause hair loss
fungal infections (tinea) bacterial infections and parasitic infections
What causes oily hair and scalp
improper shampooing or overactive sebaceous glands
Technical term for brittle hair
Fragilitas crinium
True or false? Hair texture can be determined by feeling a single dry strand between the fingers
True
What reforms a salt bond?
Normalizing PH