G
Goodal · Serum
Green Tangerine Vita C Dark Spot Serum Plus
OY Korea #10 serumUS stock
The Plus version of the gentle-C bestseller adds arbutin — same beginner-safe brightening, more spot focus.
★ 4.44,600 reviews
BEvidence grade
$22Best 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⚠ 3 caution flags
⚠ Fragrance-free⚠ Fungal-acne safe✓ No drying alcohol✓ Essential-oil free⚠ Pregnancy-cautious free
Evidence checkGrade B · MFDS ✓
🇰🇷 MFDS-certified functional cosmetic — brightening (미백) · anti-wrinkle (주름개선)Filed with Korea's FDA as 「구달청귤비타씨잡티세럼플러스」 — a regulator-reviewed efficacy claim, not a marketing one.
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#10 serum
#10 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.
Similar & possibly cheaper
Goodal — Green Tangerine Vita C Dark Spot Serum$20 · saves $2 · shares Vitamin C, NiacinamideBeauty of Joseon — Glow Deep Serum: Rice + Arbutin$17 · saves $5 · shares Alpha-arbutin, NiacinamideJumiso — All Day Vitamin Brightening & Balancing Facial Serum$22 · shares Vitamin C, NiacinamideIsntree — C-Niacin Toning Ampoule$25 · shares Vitamin C, Niacinamide