Dedicated to finding solutions for all skin concerns no matter how big or small, the dermatologist-approved French pharmacy brand La Roche-Posay is here to save sensitive skin from everyday irritations. Uniting both large and small hyaluronic acid molecules to infuse moisture right from the surface to the deeper layers of skin, the Hyalu B5 Hyaluronic Acid Serum is our new best friend for dehydrated skin.