1. Moisturizes skin
Comfrey contains a highly effective compound called allantoin which is a n emollient and softens the skin. This makes comfrey is an important moisturizing agent. How comfrey leaves help keep your skin moisturized is, the allantoin compound found in it is a keratinolytic, meaning it softens the relatively harder protein called keratin present in the epidermal layer of the skin. This softening of keratin allows for better hydration of the skin, enabling a softer, smoother texture and well moisturized skin