Clinically proven to reduce the appearance of stubborn lines and wrinkles by up to 5 years in 12 weeks, this non-invasive wrinkle solution is designed for focused use on problem areas including the forehead, crow's feet, and around the mouth. Suitable for all skin types, including ...Clinically proven to reduce the appearance of stubborn lines and wrinkles by up to 5 years in 12 weeks, this non-invasive wrinkle solution is designed for focused use on problem areas including the forehead, crow's feet, and around the mouth. Suitable for all skin types, including sensitive skin, this serum contains 7x more of our proprietary collagen peptide technology than No7's other clinically proven serums.