Orlane Paris Concentre Retinol 27mg Regenerating Serum is a high-potency night treatment designed to accelerate skin regeneration, improve texture, and visibly reduce signs of aging with a targeted, minimalist formula, as shown in the images, ideal for progressive retinol users. The regenerating concentrate is powered by Retinol (27 mg) to support cell renewal and improve the appearance of fine lines and uneven skin texture, Pentylene Glycol to enhance skin hydration and delivery, Tocopherol to provide antioxidant protection and support skin defense, Tricaprylin to improve skin softness and comfort, and Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate to help stabilize and protect the formula, ensuring effective yet controlled retinol performance. With a recommended 28-day treatment cycle and gradual application, this regenerating serum helps reveal smoother, more refined, and revitalized skin over time.