Hair is made of a tough protein called keratin. A hair follicle anchors each hair into the skin. The hair bulb forms the base of the hair follicle. In the hair bulb, living cells divide and grow to build the hair shaft.
Is hair just protein?
Hair is a protein filament that grows from follicles found in the dermis. Hair is one of the defining characteristics of mammals. … Most common interest in hair is focused on hair growth, hair types, and hair care, but hair is also an important biomaterial primarily composed of protein, notably alpha-keratin.
How can I tell if my hair needs protein?
Take an inch of your hair and stretch it, if it doesn’t stretch or breaks, feels dry and rough, it is brittle/damaged and needs moisture treatment. If the hair stretches far and does not return and/or breaks, feels mushy, gummy or cotton candy-like, your hair needs protein.
What Does too much protein do to hair?
Known as protein overload, having too much protein in your hair may cause it to appear dull, dry, and brittle. Keratin, the main protein in your hair, can be added to your hair to strengthen your strands.