Petroleum Jelly (Petrolatum), USP is a 100% pure petroleum jelly (petrolatum), semi-solid mixture of hydrocarbons obtained from petroleum. Does not oxidize on air exposure. Melting point >100°F (>37°C) Excellent emollient, moisturizer & lubricant. Enhances consistency and viscosity (e.g. ideal bodifying agent for lip care products). Protects skin from wind, burn and chapping. Prevents diaper rash. Ideal for dry skin treatments.