

Your fine lines deepen when skin loses its ability to hold water. La Roche-Posay Hyalu B5 Serum delivers two weights of hyaluronic acid to plump from surface to deeper layers, while Vitamin B5 calms irritation and strengthens your barrier. You see fresher, fuller skin in days, not weeks.
Hyaluronic Acid (Dual Weight): High-weight HA locks moisture at the surface for instant plumping; low-weight HA penetrates to restore deeper volume and elasticity. Vitamin B5 (Panthenol): Calms redness, accelerates skin repair, and reinforces the moisture barrier to prevent water loss. Madecassoside: Centella-derived compound that soothes inflammation and supports collagen production for firmer, calmer skin. La Roche-Posay Thermal Spring Water: Selenium-rich mineral water that reduces reactivity and fortifies sensitive skin.
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