## La Roche-Posay Hyalu B5 Serum Review La Roche-Posay brings French pharmacy expertise with their Hyalu B5 Serum. This lightweight hydrating serum combines hyaluronic acid with vitamin B5 for intense moisture without the weight. ### Key Ingredients - **Hyaluronic Acid**: Holds up to 1000x its weight in water - **Niacinamide (B5)**: Strengthens skin barrier - **Thermal Spring Water**: Enriched with minerals ### Performance The serum absorbs quickly into skin, providing immediate hydration. It's perfect for layering under moisturizers and makeup. The texture is light and refreshing, making it ideal for oily skin that still needs hydration. ### Best For - Dehydrated skin - Combination skin types - Anyone seeking a hydration boost - Professional skincare routines **Rating: 4.7/5** - Excellent hydrating serum with proven results.