The practice of performing or offering to perform for compensation for treating a person's hair, skin and nails is

• A. Esthetics
• B. The practice of performing or offering to perform for compensation for treating a person's hair, skin and nails
• C. Trichology
• D. Barbering

Answer: (B)

The concept being tested is naming the professional field that covers services for hair, skin, and nails when offered for a fee. This field is cosmetology, which includes styling, chemical services, skin care, and nail care across those three areas. The other terms don’t fit as neatly: esthetics focuses mainly on skin care; barbering centers on hair cutting and grooming; and trichology is the study of hair and scalp rather than a practice that provides services. So the best answer is the definition that describes cosmetology as the paid professional practice affecting hair, skin, and nails.