HA booster and water serum cream: intense hydration, instant radiance. Deprives skin of moisture. ultra Power up with this revolutionary duo. The HA booster serum and water cream offer immediate and long-lasting action to replenish, hydrate, and revive shine. naturale Skin. HA Booster Serum | Intense and immediate hydration: Infused with high-performance hyaluronic acid, this serum smooths, plumps, and revitalizes skin. Its luminous formula works deeply for long-lasting hydration and an instant "peach skin" effect. Instant freshness and comfort: This cream-gel ultra-light, enriched with una advanced moisturizer, penetrates quickly and gives your skin una A sensation of intense freshness. Locks in hydration for radiant, soft, and revitalized skin throughout the day.