Cysteinum is a hydrochloride (L) of ÷ 2930901600
Cysteine (α-amino-β-thiopropionic acid; 2-amino-3-sulfanylpropanoic acid) is an aliphatic sulfur-containing amino acid.
Optically active, exists in the form of L- and D- isomers. L-Cysteine is a part of proteins and peptides, plays an important role in the formation of skin tissues. It is important for detoxification processes. Cysteine is found in α-keratins, a major protein in nails, skin and hair.
It promotes collagen formation and improves skin elasticity and texture. Cysteine is also found in other body proteins, including some digestive enzymes.