Polylysine. EverGuard™ PL by Sino Lion is a nutritional biological preservative. It is a natural polyamino acid polymerized by 25 to 40 L-lysine. It exhibits good water solubility, good thermal... view more

Polyglutamic Acid. Evermild™ PGA by Sino Lion is a long-lasting moisturizing agent. It forms a smooth, soft flexible film on the skin, improves the skin feel and promotes against the environmental... view more