Properties of hair and scalp

The scientific study of hair, it's diseases and care is called

• dermatology

• trichology

• biology

• cosmetology

The two parts of a mature strand of hair are the

• dermis and epidermis

• hair shaft and hair follicle

• hair shaft and hair

• hair root and hair follicle

The tube like depression or pocket in the skin or scalp that contains the hair root is

• follicle

• shaft

• bulb

• scalp

Hair follicles are not found on the

• forehead

• back of the hands

• soles of the feet

• back of the neck

An oily substance secreted from the sebaceous glands is

• sweat

• lymph

• catagen

• sebum

For chemicals to penetrate a healthy cuticle layer,they must have

• no pH

• a neutral pH

• an alkaline pH

• an acidic pH

The process whereby living cells mature and begin their journey up the hair shaft is

• anagen

• catagen

• keratinization

• osmosis

Oily scalp and hair can be treated by properly washing it

• without shampoo

• with normalizing shampoo

• with conditioning shampoo

• with dry shampoo

The technical term for gray hair is

• canities

• tinea

• alopecia

• albino

A condition of abnormal hair growth on areas of the body is

• trichorrhexis

• ringed hair

• hypertrichosis

• electrolysis