Potassium lactate ek humectant hai jo skin ke moisture ko badhata hai aur skin ko hydrated rakhne mein madad karta hai. Isme lactic acid ka potassium salt hota hai. Yeh formulation ke pH ko balance karne mein bhi kaam aata hai. Dry skin ke liye acha ingredient hai kyunki isse skin ka natural moisture barrier strong rehta hai aur skin soft aur supple rehti hai.