Isdin Isdinceutics Retinal Intense Anti-Wrinkle Night Serum is the biphasic serum that will help you stop time in its tracks. Isdin Ceutics Retinal Intense renews your skin while you sleep. Retinaldehyde is part of the retinoid family and is one of the most effective anti-aging ingredients according to cosmetic experts. Retinaldehyde is 3 times more potent than retinol and converts to its active form 11 times faster in the skin. The innovative biphasic texture of Retinal Intense mixes the ingredients at the moment of use, preserving their freshness and effectiveness for optimal results. Soothing Complex offers skin-calming properties for optimal tolerance and a sensation of comfort for all skin types, even sensitive. Combines retinaldehyde with bakuchiol and Vit-A-Tech to help renew skin and visibly reduce fine lines and wrinkles. Featuring melatonin, an antioxidant, which helps repair the skin from the damage accumulated during the day. Formulated with niacinamide to minimize retinoid-associated dryness, it hydrates and helps calm the skin for better tolerance.