Wake up to smoother, more radiant skin with Olay Regenerist Retinol 24 Night Serum. Olay Regenerist Retinol 24 Night Serum combines two powerful ingredients: vitamin B3 (niacinamide) and a retinoid complex to deliver 24-hour hydration, along with other beneficial properties. This night serum delivers 24-hour hydration, visibly improving wrinkles and fine lines, texture, radiance, firmness, dark spots and pores. Composition Night serum for visibly smoother, more radiant skin. Formulated with two skin-friendly ingredients: a retinoid complex and vitamin B3. Specially designed for nighttime use, when skin is most receptive. Free of artificial dyes, fragrances and oils. Suitable for daily use. Instructions for use Releases active ingredients up to ten layers deep into the skin.