Polyhydroxy acids (PHAs) jaise gluconolactone aur lactobionic acid bade molecules hote hain jo skin ko gently exfoliate karte hain. Ye humectant aur antioxidant benefits bhi dete hain. Inke bade molecular size ki wajah se ye deep andar tak nahi jaate, isliye sensitive skin ke liye bhi theek hai. Oily aur acne-prone skin par use karne se irritation kam hota hai.