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Vendor: La Roche-Posay

La Roche-Posay Hyalu B5 Pure Hyaluronic Acid Serum

$40.99
$53.99
$40.99
-24%
50 in stock
La Roche-Posay Hyalu B5 Pure Hyaluronic Acid Serum
La Roche-Posay Hyalu B5 Pure Hyaluronic Acid Serum

$40.99

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  • Ultra-Hydrating Barrier Repair: Deeply hydrates, plumps skin to the touch, and restores the moisture barrier, with 91% of consumer test subjects agreeing skin feels smoother instantly.
  • Targeted Anti-Aging & Skin Repair: A super-activated formula that reduces fine lines and dehydration while improving elasticity, with 1-hour skin barrier repair shown in instrumental testing.
  • Rich, Plump Hydration: A 4 Hyaluronic Acid System with high and low molecular weight forms, plus glycerin, madecassoside, and Vitamin B5, delivers intense hydration deep into the skin.
  • Dermatologist-Tested: Clinically proven to hydrate and visibly plump skin, with 90% of consumer test subjects seeing more hydrated, supple skin and 96% reporting improved texture.
  • Allergy-tested and suitable for all skin types, including sensitive skin, with La Roche-Posay Thermal Spring Water for its soothing properties.

Apply 4-5 drops morning and evening to the face and neck, alone or as a boost to your favorite moisturizer.

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We want you to be 100% satisfied with your purchase. Items can be returned or exchanged within 30 days of delivery.

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Frequently Asked Questions

This serum delivers targeted active ingredients — such as hyaluronic acid, niacinamide, retinol, or vitamin C — deep into the skin to address specific concerns like hydration, brightening, anti-aging, or barrier repair.
Apply serums after cleansing and toning but before moisturizer. Use morning or evening depending on the active ingredient — vitamin C serums work best in the morning, while retinol and AHA serums are best used at night.
Typically 2–3 drops or a pea-sized amount is enough to cover the full face. Serums are concentrated, so using more will not improve results and may increase the chance of sensitivity.
Most serums in our range are formulated without fragrance and are dermatologist-tested, making them suitable for sensitive skin. Always perform a patch test before applying to your full face, especially with active ingredients like acids or retinol.
Most serums show initial improvements in hydration and texture within 1–2 weeks. For more significant results with concerns like pigmentation, fine lines, or acne, allow 4–8 weeks of consistent daily use for full visible benefits.