The GIVENCHY Vax' In For Youth Youth Infusion Serum is a cosmetic, age-defying serum that helps to preserve the skin's youthful appearance. It is a unique & scientifically advanced complex for women of 25 & over that supports elasticity, repairs, moisturises, & defends skin from external aggressors. This serum from GIVENCHY Laboratories is able to reproduce the phenomenon of hormesis. This unique complex is capable of generating micro-stimuli that encourage the skin's cells to produce their own age-defying protein, HSP70. After 6 hours, the production of HSP70 increases by 24%*. The skin's proteins are thus protected from future stress & optimally repaired for increased cellular longevity The skin is immediately velvety soft to the touch & well protected against signs of aging. Day after day, wrinkle formation is slowed down, tone & resilience are reinforced, the skin is protected by 31% against aggressions**, & the complexion is even & luminous. For those with younger skin, youthfulness is preserved, & for more mature skin, the ageing process is visibly slowed. Use morning & evening before your usual skincare routine. Apply several drops of Youth Infusion Serum to a thoroughly cleansed face & throat. Gently massage onto skin. * Measured test realized on one side of the face with our product (treated zone) & placebo on the other side of the face (non treated zone), 4 weeks, 18 women ** Instrumental test, measured 48 hours after aggressive washing, 10 women