The purpose of protein synthesis is simply to create a polypeptide -- a protein made out of a chain of amino acids. In a hair follicle cell, a protein called keratin is made. Lots of it.

Meanwhile, Kara Jillian Brown—who has tight, 4B-4C coils—opted for a keratin treatment with formaldehyde (more on this ingredient later). For further insight into this popular hair treatment ...

Keratin treatments are game-changers in the hair care arena, known for turning frizzy, untamed hair into sleek, shiny locks.

Hair is made up of a protein called keratin. Hair bonds are the chemical bonds that hold the keratin chain together. These bonds are responsible for how strong hair is, as well as its elasticity ...