Powerful prevention. Supercharge your skincare regimen with this clinically proven serum. No7's highly acclaimed Protect & Perfect technology has been re-engineered to deliver even better anti-aging results. Independently tested and proven to work. This serum is powered by Matrixyl 3000 Plus", a combination of the most powerful form of Matrixyl plus a next generation peptide that work together to help restore more youthful skin. With our patented antioxidant complex it helps protect skin from future signs of aging, keeping it looking younger for longer whilst salicylic acid promotes clearer, more radiant skin. After 2 weeks skin looks younger and more radiant, by 4 weeks skin looks clearer and fine lines are visibly reduced. Results keep getting better with continued use. 80% of women said this serum provided the best anti-aging results they had ever seen. Directions: Use morning and evening, smooth into your face and neck after cleansing, then moisturize with Protect & Perfect day or night cream. No7 is the #1 Serum Brand in the US*