COSRX · Serum
The Hyaluronic Acid 3 Serum
OY Korea #22 serumUS stock
Triple-weight HA, nothing else to think about — dependable dehydration relief.
★ 4.53,300 reviews
BEvidence grade
$20Best total · duties in
lightTexture · Serum
Is this right for your skin? — take the 60-second quiz and this box becomes a personal verdict.
Ingredient check✓ all clear
✓ Fragrance-free✓ Fungal-acne safe✓ No drying alcohol✓ Essential-oil free✓ Pregnancy-cautious free
Evidence checkGrade B
Grade B — Solid transparency and consistent ratings; limited third-party clinical data (seed draft — verify before launch).
How grading works
Scored on clinicals · certifications · cross-platform rating consistency · transparency. Brands can't pay to change this.
What Korea says#22 serum
#22 serum · Olive Young Korea (seed) · Rank indicative — weekly verification pending
Reviewscommunity links
No close skin matches yet —
Read full third-party reviews
We link out instead of copying — full reviews belong to their authors and platforms.
Where to buybest total $20
| Retailer | Price | Ship + duty | Total | |
|---|---|---|---|---|
| Amazon ✓ official Official store — verify seller before launch Pays: Visa · MC · Amex · Discover · Amazon Pay · Affirm | $20 | — | $20BEST | Shop → |
| Olive Young Global ✓ official Ships from Korea 7–14d · +15% duty Pays: Cards · PayPal · Apple Pay · Alipay+ | $16 | $9.40 | $25.40 | Shop → |
Totals include estimated import duty on Korea-shipped orders (15%, post–de minimis). Links open retailer search; production uses exact product affiliate links. Payment methods indicative — verify at checkout.