Min. Order:
1 Gram
Price:
US$ 500
Place of origin:
China
65% to 95% protein.The majority of the proteins present in human hair correspond to keratin and keratin-associated proteins. Keratins and mainly keratin-associated proteins have high sulfur content, present in the cysteine amino acid. The presence of sulfur is essential to the hair structure, as it allows the formation of disulfide bonds between amino acids of the polypeptide chains, due to oxida
[Related Keywords : Sh-Oligopeptide-78, Repair hair, K18, peptide]