Polylysine 25% solution is a natural polymer of L-Lysine, an essential amino acid produced by fermentation of bacteria. It can be used alone or in combination with other preservatives. It is not compatible with anionic surfactants. Effective pH 5-8.

Cosphaderm® Sodium LAAS is a white powder comprising the solid mixture of Sodium Levulinate and Sodium Anisate. This blend displays skin conditioning and masking properties, as well as a broad antimicrobial effectiveness. This way, Cosphaderm® Sodium LAAS can help to ensure a formulations microbiological stability without the use of traditional preservatives.

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.

Cosphaderm® Sodium pAS natural is the sodium salt of plant-derived anisic acid. Due to its gentle and pleasant odour, Cosphaderm® Sodium pAS natural can be used as a masking agent to cover undesired odours from other ingredients. Another core property of sodium anisate is the strong antimicrobial efficacy against yeasts and moulds at pH values below 6.0. The big advantage of sodium anisate is its superior water-solubility, which makes this product even easier to incorporate into cosmetic formulations than anisic acid.