It's Skin · Serum
Power 10 Formula VC Effector
OY Korea #53 serumUS stock
The 2010s drugstore ampoule line that introduced a generation to 'effectors' — basic, cheap, still around for a reason.
★ 4.24,100 reviews
CEvidence grade
$12Best 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 C
Grade C — Insufficient independent data — graded conservatively pending verification.
How grading works
Scored on clinicals · certifications · cross-platform rating consistency · transparency. Brands can't pay to change this.
What Korea says#53 serum
#53 serum · Olive Young Korea (seed) · Rank indicative — weekly verification pending
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Where to buybest total $12
| Retailer | Price | Ship + duty | Total | |
|---|---|---|---|---|
| Amazon ✓ official Official store — verify seller before launch Pays: Visa · MC · Amex · Discover · Amazon Pay · Affirm | $12 | — | $12BEST | Shop → |
| Olive Young Global ✓ official Ships from Korea 7–14d · +15% duty Pays: Cards · PayPal · Apple Pay · Alipay+ | $10 | $8.50 | $18.50 | 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.