What it is: A gentle yet highly effective evening retinoid treatment that helps skin maintain a firm, plump, youthful and healthy glow. What it does: Nongreasy and deeply penetrating, this supercharged serum contains the brand's advanced Super-Nutrient Retinoid Complex, which includes retinoid, vitamins C and E and provitamin D3. How to use: Apply 1-3 drops onto your desired treatment area 2-3 evenings per week after cleansing. Follow with your preferred moisturizer or oil. Reduce frequency if s What it is: A gentle yet highly effective evening retinoid treatment that helps skin maintain a firm, plump, youthful and healthy glow.What it does: Nongreasy and deeply penetrating, this supercharged serum contains the brand's advanced Super-Nutrient Retinoid Complex, which includes retinoid, vitamins C and E and provitamin D3. How to use: Apply 1-3 drops onto your desired treatment area 2-3 evenings per week after cleansing. Follow with your preferred moisturizer or oil. Reduce frequency if sensitivity occurs. 1.01 oz. Paraben-free; sulfate-free; phthalate-free; artificial chemical-free; artificial fragrance-free; preservative-free; colorant-free; petrochemical-free; silicone-free; DEA-free; TEA-free Cruelty-free Made in the UK