OPTIPHEN™ PO is a preservative for cosmetic industry. The excellent pH compatibility allows use in acidic and even alkaline formulations. It is a well-known active with a good market reputation and global approval.

E-POLYLYSINE 25% SOLUTION is Amino acid-structured preservative. As an ingredient manufactured from natural substances using our biotechnology. POLYLYSINE is a straight chain polyamino acid that connects 25 to 35 L-lysine residues,characterized by a peptide bond between the epsilon amino group and the carboxyl group in L-lysine, a kind of essential amino acid.