Alumier Retinol Resurfacing Serum 0.5Formulated at a higher concentration and encapsulated for time release, our retinol serum diminishes the appearance of wrinkles and firms the skin with minimal irritation. Boost your results with our 0. 50% Retinol serum, actively targeting fine lines and wrinkles while promoting radiance, clarity, and resilience. The time released formula, suitable for experienced retinol users, ensures continuous rejuvenation while you sleep, with niacinamide