Experience rejuvenated skin with Retinal Advanced Serum. This black serum corrects visible wrinkles and renews your skin with retinoid, melatonin, and soothing complex. Product Overview Retinal Advanced is dual-phase nighttime facial serum that helps to accelerate skin renewal for a more youthful appearance. Formulated with retinaldehyde and two high-performance ingredients with retinol-like properties which promote a gentle skin surface turnover, improving texture and visibly reducing fine lines and wrinkles. Retinal Advanced, with Melatonin and Soothing Complex, including Niacinamide, helps to smoothly renew the skin while helping to minimize the sensation of dryness. Key Ingredients: Retinaldehyde - A derivative of vitamin A, it supports collagen production and skin renewal, while also helping unify complexion. Melatonin - When applied topically, it acts as an indirect antioxidant, stimulating natural defenses against harmful free radicals. Soothing Complex - Ultra-soothing ingredients, including niacinamide, work together to hydrate, calm and revitalize the skin. Bakuchiol - Of natural origin, it demonstrates retinol-like properties, gently helping restore elasticity and firmness.