Hyaluronic Acid Serum Glow

⏱ 6 min read  ·  Updated March 2026  ·  Category: Serums

Honest reviews of the best hyaluronic acid serums for dewy skin in 2026 — drugstore and luxury picks tested for lasting hydration and plumpness.

Hyaluronic acid (HA) is the ultimate skin hydrator — it can hold up to 1,000 times its weight in water. But not all HA serums are created equal. Molecular weight, concentration, and supporting ingredients make a huge difference in how well a serum actually works.

We tested 7 hyaluronic acid serums across different skin types — dry, oily, combination, and sensitive — to find the ones that genuinely deliver plump, dewy skin without pilling or leaving a sticky residue.

The 7 Best Hyaluronic Acid Serums

#1 — The Ordinary Hyaluronic Acid 2% + B5

The Ordinary  ·  $6.90  ·  ⭐⭐⭐⭐⭐ 4.7/5

Best for: All skin types, especially dry and dehydrated

Multi-molecular HA formula with vitamin B5 for added moisture retention. Apply to damp skin before moisturiser for best results. Unbeatable value.

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#2 — Neutrogena Hydro Boost Hydrating Serum

Neutrogena  ·  $19.99  ·  ⭐⭐⭐⭐⭐ 4.6/5

Best for: Normal to dry skin, beginners

Water-gel formula that absorbs instantly and locks in moisture all day. Loved for its lightweight feel that layers perfectly under makeup. Fragrance-free and non-comedogenic.

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#3 — Cosrx Hyaluronic Acid Intensive Care Serum

Cosrx  ·  $18.95  ·  ⭐⭐⭐⭐⭐ 4.6/5

Best for: Sensitive and dehydrated skin

Korean-formulated with sodium hyaluronate and betaine from beets for superior hydration. Visibly plumps fine lines in just 2–3 weeks. Loved by K-beauty fans worldwide.

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#4 — La Roche-Posay Hyalu B5 Pure Hyaluronic Acid Serum

La Roche-Posay  ·  $39.99  ·  ⭐⭐⭐⭐⭐ 4.8/5

Best for: Sensitive, reactive, and mature skin

Dermatologist-recommended with two types of HA plus vitamin B5. Repairs the skin barrier while intensely hydrating. A top pick for anyone with reactive skin.

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#5 — Inkey List Hyaluronic Acid Serum

The Inkey List  ·  $7.99  ·  ⭐⭐⭐⭐ 4.4/5

Best for: Budget-conscious shoppers, beginners

Simple, clean formula with two molecular weights of HA. Works well, absorbs quickly, and costs under $8. A brilliant starter serum if you’re new to skincare actives.

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How to Use Hyaluronic Acid the Right Way

The most common HA mistake is applying it to dry skin. Always apply to damp skin — either right after cleansing or by spritzing your face with water first. This gives the HA something to draw moisture from. Then seal it in with a moisturiser immediately after.

Our Verdict

For budget shoppers, The Ordinary HA 2% + B5 is the clear winner at $6.90. For sensitive skin, La Roche-Posay Hyalu B5 is worth the premium. For K-beauty lovers, Cosrx Hyaluronic Acid Intensive Care Serum delivers exceptional results for under $20.

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