This clinically proven, targeted booster serum is our most concentrated line correcting serum. It’s been designed to be applied directly to lines and wrinkles to deliver fast, visible results where you want them most. 7 x concentration = 7 x more Matrixyl 3000 Plus than our previous clinically proven serums. Proven to visibly reduce the appearance of even the deepest, most stubborn lines and wrinkles. In one week women saw a visible reduction in the appearance of lines and wrinkles on the forehead and around the eyes. After two weeks women saw visible improvements in six targeted wrinkle areas: Forehead Crow’s feet Lips Between brows Under eyes Nasolabial folds Women said this serum gave the best results they had seen and better results than they thought possible from skincare. No7 Laboratories Line Correcting Booster Serum is suitable for sensitive skin and can also be used as a booster by mixing into your usual moisturiser, eye cream or foundation to supercharge them with line smoothing power.