Helps to moisturize and gently remove dead skin cells. Traditionally it has been used in herbal medicine to help reduce irritation and support healing of minor cuts and swelling. Allantoin works as an emollient to protect the skin from moisture loss to the air. Allantoin is an extract from the comfrey plant, which is native to Europe and Asia. In skincare, allantoin is generally synthetically produced, identical to the original molecule.