Aquaphor Advanced Therapy Healing Ointment Skin Protectant 14 Ounce Jar, only $8.78, free shipping after clipping coupon and using SS Working as a skin protectant, petrolatum soothes irritations. It also protectively coats the skin and helps keep the skin’s own moisture from evaporating.Panthenol is a derivative of Vitamin B that, when applied externally, penetrates and conditions the skin. It helps to hydrate the skin while enhancing healing.Glycerin draws and holds moisture to the skin, helping to keep it hydrated and soft. Its commonly used as an intensive moisturizing agent in lotions, creams, and cosmetics.