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.

Cosphagard® Exact is a blend of the preservative Phenoxyethanol with Ethylhexylglycerin. It displays a broad antimicrobial efficacy spectrum against bacteria, yeasts and molds. The clear fluid blend is pH-independent and temperature-stable.

Cosphagard® Pol is a cost-efficient mixture of Potassium Sorbate and the naturally derived multifunctional sodium levulinate. The blend can be used to replace controversially discussed Preservatives like parabens, MIT, triclosan, formaldehyde separators etc. without losing strong antimicrobial effectiveness against bacteria, yeasts and molds. A further advantage is that this blend is COSMOS-approved and also complies with further international certification labels. It can be used for any cosmetic formulation type except purely oil-based formulations. For full efficiency the pH value of the final product should ideally be 5.5.

Cosphaderm® GeMix is a multifunctional blend of glyceryl caprylate and glyceryl undecylenate. Produced from natural sources, it is a biodegradable blend with emollient, emulsifying, moisturizing, skin and hair conditioning as well as re-fatting properties. Cosphaderm GeMix combines the additional antimicrobial properties of both ingredients in one raw material. Glyceryl caprylate provides a strong antimicrobial efficiency against bacteria and yeasts whereas glyceryl undecylenate shows great efficiency against gram-positive bacteria, yeasts and molds. Combination of both ingredients leads to full spectrum microbial protection in a pH range from 3.5 to 7.5.