Laboratories Firming Booster Serum - BenefitsSkin looks visibly firmer in 1 weekNon-invasive firming solutionClinically proven, results-driven formulaFormulated with 4x the firming complex of No7's other serumsSee better results than you thought possible from skincare aloneWith Matrixyl 3000+ - No7's anti-wrinkle technologyResearch ResultsBy 2 weeks, face and neck look visibly lifted*Based on a correlation of expert grading of firmness and/or lift to ageHelps you look up to 5 years younger in 12 weeks*In 1 week, skin looks and feels firmerClinically proven to lift, tone & tighten skin in 1 weekFeatures**Based on consumer perception study of women considering dermatologist (or professional) firming treatment after 4 weeksWomen tested agreed that this booster serum gave them the best results they had seen from a skincare product and better results than they thought possible from skincare alone***4 out of 5 women said skin looks lifted, toned and tighter***80% of women said a dermatologist procedure can wait*****Based on consumer perception study of UK women after 4 weeks product use - Laboratories Firming Booster Serum