1 / 5IOPE · Mask
Vitamin C Expert 40% Mask Concentrate Cream
US stock
Intensive cream-mask treatment with a very high 40% vitamin C concentrate for stubborn dullness and dark spots. Use a few times weekly; patch test if sensitive.
★ 4.4250 reviews
BEvidence grade
$64.99Best total · duties in
creamTexture · Mask
Is this right for your skin? — take the 60-second quiz and this box becomes a personal verdict.
Ingredient check⚠ 5 caution flags
⚠ Fragrance-free⚠ Fungal-acne safe⚠ No drying alcohol⚠ Essential-oil free⚠ No pregnancy-caution actives
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.
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Where to buybest total $64.99
| Retailer | Price | Ship + duty | Total | |
|---|---|---|---|---|
| Soko Glam ✓ official US K-beauty retailer · ships from US Accepts: Cards · PayPal · Shop Pay · Apple Pay | $59 | $5.99 | $64.99BEST | Shop → |
Totals include estimated import duty on Korea-shipped orders (15%, post–de minimis). Links open retailer search; exact product links are coming at launch. Payment methods indicative — verify at checkout.
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