Perricone MD’s Hypoallergenic Clean Correction Smoothing Restorative Serum helps to reduce the appearance of fine lines, uneven skin tone and uneven texture. Powered by bakuchiol, a plant-based alternative to retinol, the serum visibly soothes and nourishes skin for a complexion that appears smoother and more radiant. Vegan, non-comedogenic and dermatologist-tested. Fragrance-free. In a clinical study of 32 women after 8 weeks: 100% showed significant improvement in skin hydration immediately after application 100% showed a significant reduction in skin redness 96% showed significant improvement in skin radiance and brightness In a consumer study of 100 women after 28 days: 98% agreed it is non-greasy 97% agreed it absorbs quickly and has a lightweight texture 96% agreed this product is gentle on skin