Fasderma Retino Yellow Peel Combination Age-Defying Kit is a powerful skin renewal system formulated with retinol, bacillus ferment, and soothing hydrators that work synergistically to reduce signs of aging, fine lines, and dullness; it enhances cell turnover, supports collagen production, and improves skin tone and texture with a deeply nourishing yet non-greasy formula suitable for professional use. Warning : To be used by certified dermatologists, cosmetologists, professional aestheticians, plastic surgeons, trained nurses under the supervision of certified professionals.