Naturium Retinaldehyde Cream Serum 0.05%, Advanced Anti-Ageing & Smoothing Face & Skin Care | 1.7 FL OZ / 50 MLSMOOTHING SERUM: Our results driven serum visibly addresses the look of fine lines and wrinkles, uneven tone and texture. For a more leveled up experience, use our 0. 10% advanced cream serum. RESULTS DRIVEN FORMULA: Formulated with sustained release retinaldehyde, this next gen retinol directly converts to the strongest form of retinol. Added biofermented oligopeptide helps refine skin texture and enhances radiance for optimal results. MOST SKIN