Allantoin cream generally refers to compounded heparin sodium allantoin gel, which works to promote skin healing and scarring. It needs to be used as prescribed by your doctor. Compound heparin sodium allantoin gel can promote the regeneration of skin cells and accelerate the healing of wounds; it can also act on keratin to reduce the lack of moisture and relieve dry skin. It is commonly used clinically to treat cracked hands and feet, skin ulcers and proliferative scarring. However, the drug can have some adverse reactions in the process of use, including rash, itching, hyperpigmentation, etc., so it needs to be used strictly under the guidance of a doctor, and go to the hospital in a timely manner after the occurrence of adverse reactions. For those who are allergic to the drug are prohibited from using it.