Kopcerin DO (Ethylhexylglycerin + Propylene glycol + Octenidine HCl) Preservative for deodorants It is a clear and colorless liquid. It is a unique multifunctional additive for cosmetic preparation and globally accepted/improved substance. It acts as an effective emollient leading to an improved skin feeling with no stickiness after application. It is an effective moisturizer and effective against odor causing bacteria.