Cosmetology is the study and application of beauty treatment. Branches of specialty include hairstyling, skin care, cosmetics, manicures/pedicures, non-permanent hair removal such as waxing and sugaring, and permanent hair removal processes such as electrology and intense pulsed light (IPL).

Cosmetologists are trained and licensed to perform cosmetic treatments to the hair, skin, and nails.

This can be expanded into multiple parts including cutting and chemically treating hair, chemical hair removal, fashion trends, wigs, nails and skin care, skin and hair analysis; relaxation techniques including head, neck, scalp, hand and feet basic massage.

As a profession, cosmetology is predominantly female, most of whom are of reproductive age. There are more than one million women registered and licensed as cosmetologists in the United States and roughly several million more work as hairdressers.

Many cosmetologists begin their careers before reproductive age and before family planning, which may put them at higher risk for reproductive health effects from exposure to workplace cosmetology chemicals.

More Info: en.wikipedia.org