COSRX · Serum
The Retinol 0.1 Cream
OY Korea #15 serumUS stock
Beginner retinol done right: 0.1% encapsulated, buffered with panthenol. Not for pregnancy; SPF mandatory.
★ 4.44,100 reviews
AEvidence grade
$22Best total · duties in
creamTexture · Serum
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Ingredient check⚠ 2 caution flags
✓ Fragrance-free⚠ Fungal-acne safe✓ No drying alcohol✓ Essential-oil free⚠ Pregnancy-cautious free
Evidence checkGrade A
Grade A — Disclosed formula and multi-year consistent cross-platform ratings (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#15 serum
#15 serum · Olive Young Korea (seed) · Rank indicative — weekly verification pending
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Where to buybest total $22
| Retailer | Price | Ship + duty | Total | |
|---|---|---|---|---|
| Amazon ✓ official Official store — verify seller before launch Pays: Visa · MC · Amex · Discover · Amazon Pay · Affirm | $22 | — | $22BEST | Shop → |
| Olive Young Global ✓ official Ships from Korea 7–14d · +15% duty Pays: Cards · PayPal · Apple Pay · Alipay+ | $18 | $9.70 | $27.70 | 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.