IOPE · Serum
Retinol Expert 0.1%
OY Korea #8 serumShips from 🇰🇷
Korea's most clinically-documented retinol — Amorepacific's 25-year retinol research line, standard-issue in Korean anti-aging routines but nearly unknown in the West. Not during pregnancy.
★ 4.53,400 reviews
AEvidence grade
$46.10Best 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⚠ 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#8 serum
#8 serum · Olive Young Korea (seed) · Rank indicative — weekly verification pending
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Where to buybest total $46.10
| Retailer | Price | Ship + duty | Total | |
|---|---|---|---|---|
| Olive Young Global ✓ official Ships worldwide from Korea 7–14d · +15% duty Pays: Cards · PayPal · Apple Pay · Alipay+ | $34 | $12.10 | $46.10BEST | Shop → |
| Jolse ✓ official KR shop, ships internationally · trusted by r/AB Pays: Cards · PayPal | $35 | $11.30 | $46.30 | Shop → |
| YesStyle ⚠ marketplace Ships from Asia 2–4 wks Pays: Cards · PayPal · Apple Pay · Google Pay | $42 | $11.30 | $53.30 | 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.