1 week's worth of age-defying serum ingredients Provides a 7 x concentration to the skin in just 20 minutes. Powered by Matrixyl 3000 Plus - our most effective anti-wrinkle peptide technology - with hydrating Hyaluronic acid to replump and smooth the skin. The Mask is designed to adhere seamlessly to facial contours for improved delivery of its ingredients. Use a mask weekly alongside your No7 age-defying skincare regime to see even better results after 4 weeks.