The Answer is Aloe Vera
Other topical uses include acne, sunburn, frostbite (it appears to prevent and healed or decreased blood flow), shingles, screening out x-ray radiation, psoriasis, preventing scarring, rosacea, warts, wrinkles from aging, and eczema. The raw plant is best, but commercial preparations can also be used, especially for taking orally, as this plant tastes horrible - even speeding recovery time after surgery. Aloe Vera is very familiar for centuries for its healing ingredients, and both oral intake and topical dressings have been documented to promote healing of any kind of skin wound, burn, or scald.