Lactic acid ek alpha-hydroxy acid hai jo dead skin cells ko hata ke skin ko exfoliate karta hai aur moisture bada deta hai. Potassium lactate jo iska salt form hai, wo mainly humectant aur pH buffer ki tarah kaam karta hai. Dono milke skin texture ko smooth banaate hain aur skin ka moisture retain hote hain, jo skin ko soft aur plump dikhata hai.