Bioderma Hydrabio Hyalu+ Serum is an ecobiological concentrate designed to provide immediate and lasting rehydration and plumping. Formulated with low molecular weight (LMW) Hyaluronic Acid, it helps stimulate collagen production to improve skin firmness and elasticity. Niacinamide is included to reinforce the skin's barrier function, effectively reducing dehydration. This lightweight serum absorbs quickly to leave skin feeling supple and revitalized, while visibly reducing the signs of aging linked to moisture loss. It is suitable for all skin types experiencing dehydration.