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The Hyaluronic Acid 3 Serum
Serum · 20 ml · $0.88/ml
4.7· 77 reviews on Olive Young GlobalCOSRX The Hyaluronic Acid 3 Serum is a lightweight hydrating serum that delivers moisture to the skin. Formulated with hyaluronic acid and ceramides to help plump and soften the complexion.
Currently sold at 6 retailers selling to US shoppers, from $17.50 (cheapest: Stylevana) to $25.00. Average US price $21.66. Prices checked October 6, 2026.
Best price right now
$17.50
$0.88 per ml
Checked today
at Stylevana
$5.00 less than the typical seller (22%).
Also available at
Now $17.50 at Stylevana — typically $16–$20 over the 60 days we've tracked it; lowest we've seen: $17.50.
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Prices last checked today · across 6 retailers
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Big retailers
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Price history
What this serum has actually cost
We check every authenticated seller daily; each point is the lowest price we found that day.
The best total right now from an authorized, authenticity-checked seller of COSRX The Hyaluronic Acid 3 Serum is $17.50 at Stylevana — checked Oct 5, 2026. We rank on price plus shipping, and show what each price does and does not include. We never take payment to rank.
Skin compatibility
Will this suit your skin?
We run the ingredient list we hold against three curated reference lists. Skin is personal — these are notes to help you decide, not rules. Pregnancy questions belong with your doctor, and if we don't have a full ingredient list we say so instead of guessing.
Transparency
What's actually in it
Key active
Sodium Hyaluronate
3%
hydration
Key active
Ceramide NP
listed
barrier
Key active
Betaine
listed
hydration
Concentrations as stated by the brand — we never estimate them from the INCI order.
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Answers