Vitamin B5 (panthenol/pantothenic acid) ek bahut acha moisturizing aur soothing ingredient hai jo skin ko hydrate karta hai aur barrier function ko strong rakhta hai. Isse skin se water loss kam hota hai. Skincare aur haircare dono mein widely use hota hai kyunki isme emollient properties hoti hain aur skin ko soft aur smooth banata hai.