Keratin, a vital protein, plays a crucial role in the structure and health ... more manageable hair. These treatments coat the hair fibers with keratin, effectively sealing the cuticle and ...

A protein chain 400 amino acids long can be assembled in 20 seconds! The keratin made by the hair follicle cells makes long fibers. The cells, growing just under the scalp, eventually die ...

Unlike options that may aggressively break and restructure hair bonds, treatments with keratin - a protein already in ...