•72 hours 91) moisturizing effectiveness, thanks to the patented aquagenium+* technology and hyaluronic acid \ •proven effectiveness in real conditions (pollution, stress, temperature changes) \ •strengthens the skin barrier and helps maintain hydration over time \ light, cool texture – quickly absorbed – non-sticky – very good base for makeup \ \ good skin tolerance – non-comedogenic – suitable for normal to combination skin \ \ inspired by bioderma's eco-biological approach, hydrabio légère helps the skin to hydrate and maintain its natural balance over time. \ its formula offers a dual action to address both the causes and the effects of dehydration: \ 1. reactivates natural hydration mechanisms \ patented aquagenium+* technology helps stimulate aquaporins to restore hydration flow, while hyaluronic acid and glycerin help the skin capture and retain water. \ 2. strengthens the skin barrier \ daily protection against moisture loss. niacinamide promotes lipid synthesis, while prebiotic sugar supports the microbiome, which is essential for long-term skin protection and balance. \ its light, refreshing texture is quickly absorbed, leaving skin soft and visibly radiant. \ \ \ \ morning and/or evening - 7 days a week \ \ \ step 1cleanse your skin ideally with the hydrabio cleanser. \ step 2apply morning and/or evening to face and neck. \ step 3gently massage until absorbed. \ step 4very good makeup base \ \