Allantoin is a metabolic product, which is found i.a in horse chestnut bark and comfrey root. The root of comfrey and its wound healing effect was already discovered in the 16th century and has been used as a proven medicinal plant. Allantoin has wound-healing and cell-regenerating qualities. Furthermore, it has a corneal softening effect. Soothes skin irritation and is extremely amicable. Suitable for inflammatory, sensitive and oily and blemished skin.