Alumier Retinol Resurfacing Serum 1.0Alumier Retinol Resurfacing Serum 1. 0 is the most concentrated retinol formula in the range, designed for advanced users seeking significant visible results. This time released, encapsulated 1% pure retinol helps reduce fine lines, refine texture, and restore clarity while remaining gentle enough for nightly use on tolerant skin. Formulated with barrier supportive niacinamide and a clinically proven peptide, this serum enhances firmness, radiance,