Zyada tar logon ke skincare routine mein dono ek saath use hote hain, lekin dono hi irritation de sakte hain jab pehli baar shuru karo.
Raat ko pehle azelaic acid laga, phir retinol laga, ya phir tolerance build karte hue alternate karo.
Yeh combination pigmentation ke liye bahut accha hai, khaas kar Indian skin tone ke liye; har din SPF sunscreen zaroor lagao.