Apply these ANUA PDRN Collagen patches on clean, dry skin, on areas where you want a “glass skin” effect (fine lines, cheeks, forehead, nasolabial folds). Let them dissolve and work for the indicated time without moving them, so the collagen and PDRN can penetrate deeply. Use them as a treatment 2 to 3 times a week, preferably in the evening, then follow with your moisturizing routine to boost radiance and firmness K-Beauty style.