Chemistry, Hair Theory, & Hair Care

Cilia is the technical term for:

The pocket-like tube, also known as the root sheath is the:

On average, human hair grows:

A high concentration of pheomelanin near the cuticle will make hair color look:

Soles of the feet, lips, and eyelids do not have:

Matter that has definite weight, volume, and shape is a(n):

Disulfide bonds connect between two ________ amino acids.

The study of hair is:

The two primary parts of hair are the hair root and the:

Total lack of pigmentation in the hair and skin is called: