BIODERMA Hydrabio + Hyaluronic Serum Hydrabio Hyalu+ Serum is a facial serum comprised of a hyaluronic acid duo that combats the causes of dehydration to permanently fight the visible signs of aging. The skin is instantly and lastingly rehydrated, plumped, and smoothed. It combats the causes and consequences of premature skin aging. Instantly and sustainably rehydrates and plumps the skin Strengthens the skin barrier Protects against oxidative stress 24h humidity Very high tolerability Hyaluronic acid duo: high and low molecular weight With niacinamide Tested under dermatological supervision Made in France formulated in our own research laboratory in Aix-en-Provence Recommended by dermatologists Recyclable glass bottle Silicone-free Without alcohol Light and fresh texture – absorbs quicklySkin type / skin condition: External factors (pollution, UV rays, sudden temperature changes, cold, wind, etc.) can dry out the skin and alter its barrier function, weakening it and increasing water loss. Over time, natural aging processes also change the quantity and quality of hyaluronic acid in the skin. The skin becomes dehydrated, leading to wrinkles and fine lines. Hydrabio Hyalu+ Serum helps the skin reactivate its natural moisture mechanisms and retain the water essential for its balance. The complementary action of precisely dosed active ingredients, including a duo of hyaluronic acid and niacinamide, addresses the internal causes of dehydration and the visible signs of skin aging to achieve lasting effectiveness. Rehydrates and plumps the skin: High molecular weight hyaluronic acid & self-rehydrating sugars Reduces wrinkles and fine lines: Low molecular weight hyaluronic acid Strengthens the skins protective barrier: Niacinamide (Vitamin B3)How the product works:Clinically tested efficacyImmediately (1) +60% moisture increase in 30 minutes 24-hour moisture supply Permanently 94% plumped skin (2B) +32% skin firmness (2A) +21% of skin elasticity (2A) +25% of the radiance of the complexion (2A) (1) Measurement of the moisture content of 10 people over 24 hours. (2) Evaluation of efficacy under dermatological control in 33 subjects over 28 days - 2A) by clinical assessment of skin density, firmness, elasticity and complexion radiance, 2B) by self-assessment (% of satisfaction)Application: Apply approximately 5 drops directly to the face and neck in the morning and/or evening after cleansing with a Hydrabio hygiene product.Good to know: Formulated in our own research laboratory in Aix-en-Provence. Made in France. Tested under dermatological supervision. Recommended by dermatologists.