Category: A

Muscle above the ear that draws the ear upward.  

Muscle behind the ear that draws the ear backward.  

Muscle in front of the ear that draws the ear forward.  

Asymmetrical balance is established when two imaginary halves of a hairstyle have an equal visual weight, but the two halves are positioned unevenly. Opposite sides of the hairstyle are different lengths or have a different volume. Asymmetry can be horizontal or diagonal.  

Small, involuntary muscles in the base of the hair follicle that cause goose flesh, sometimes called goose bumps, and papillae.  

Contain small, uncolored dyes that combine with hydrogen peroxide to form larger, permanent dye molecules within the cortex.  

Phase during which new hair is produced.  

Active ingredient or reducing agent in alkaline permanents.  

Perms that use an ingredient that does not evaporate as readily as ammonia, so there is very little odor associated with their use.  

Acids derived from plants (mostly fruit) that are often used to exfoliate the skin.