Yeast extract ek biologically active ingredient hai jo yeast cells se milta hai, jisme amino acids, peptides, beta-glucans, vitamins aur minerals bahut hote hain. Isko skincare mein use karte hain kyunki yeh skin ko soothe karta hai, moisture deta hai, antioxidant properties hain, aur skin barrier ko strengthen karta hai. Sensitive aur irritated skin ke liye bahut accha hai.