Euxyl® K 510 is a liquid cosmetic preservative, which can be used in leave-on as well as rinse-off products. Euxyl® K 510 is not recommended for products that are intended for mucous membranes, or for lipsticks or toothpastes. Euxyl® K 510 has a broad, balanced spectrum of effect against bacteria, yeasts, and mould fungi. It acts even in low use-concentrations, and has good vapour phase effectiveness.