M
Ma:nyo · Serum
Bifida Biome Complex Ampoule
OY Korea #4 ampouleUS stock
Korea's ferment flagship: a bifida-galactomyces complex ampoule that built its reputation on barrier resilience for stressed, aging skin. Domestic award-list regular.
★ 4.64,100 reviews
BEvidence grade
$30Best total · duties in
lightTexture · Serum
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Ingredient check⚠ 1 caution flag
✓ 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 「마녀공장비피다바이옴콤플렉스앰플」 — a regulator-reviewed efficacy claim, not a marketing one.
Grade B — High-dose ferment complex disclosed; strong domestic award history, ferment benefits moderately supported.
How grading works
Scored on clinicals · certifications · cross-platform rating consistency · transparency. Brands can't pay to change this.
What Korea says#4 ampoule
#4 ampoule · Olive Young Korea · The ferment-ampoule category leader at home
"The only ampoule that makes my skin feel resilient."Translated from a Korean review · original: "피부가 단단해지는 느낌은 이게 유일."
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Where to buybest total $30
| Retailer | Price | Ship + duty | Total | |
|---|---|---|---|---|
| Amazon ✓ official Official store — verify seller before launch Pays: Visa · MC · Amex · Discover · Amazon Pay · Affirm | $30 | — | $30BEST | Shop → |
| Olive Young Global ✓ official Ships from Korea 7–14d · +15% duty Pays: Cards · PayPal · Apple Pay · Alipay+ | $24 | $10.60 | $34.60 | 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.
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