SOTOX SONGYI MUSHROOM:For All Skin Types Our ultra-effective serum contains a blend of firming, brightening, and age-reversing actives found in rare algae called Pullulan, and the precious extract of the Songyi Mushroom to lift sagging skin, smooth wrinkles, and reverse stress-induced aging. The light moisturizing base also works to rebalance your skin cells. Sotox can be used several times throughout the day.. ( for example good for *wrinkles)