Petrochemicals skincare mein matlab petroleum se bani hui ingredients jaise petrolatum, mineral oil aur paraffin. Ye sab occlusive agents hote hain jo skin par ek protective barrier banate hain aur skin se water loss ko kam karte hain. Ye ingredients bahut commonly use hoti hain kyunki ye saste hote hain aur stable bhi rehte hain. Agar aapki skin dry hai ya sensitive hai to ye ingredients acha barrier protection dete hain aur moisture ko lock karte hain skin mein.