Petrolatum ek petroleum se banaya hua semi-solid mixture hai jo hydrocarbons se bana hota hai. Yeh skin par ek protective barrier banata hai jo moisture ko lock karta hai aur transepidermal water loss ko kam karta hai. Yeh bahut effective occlusive agent hai aur dry skin ke liye bilkul perfect hai. Sensitive skin types bhi isse use kar sakte hain kyunki yeh generally well-tolerated hota hai.