MUJI Fermented Penetrating Beauty Serum 50mL

Original name

Fermented Penetrating Beauty Serum 50mL

Model

Fermented Essence Serum; product no. 83451295; 50mL; JAN 4550583451295

Spec

Fermented Essence Serum; 50mL; product no. 83451295; Japan JAN 4550583451295 / Taiwan barcode 4711441360559

Same-item basis

The Japan official page lists the Fermented Booster Serum, 50mL, item no. 83451295, formulated with rice bran fermented liquid, used before lotion; the Taiwan official page lists 'Rice Bran Fermented Booster Serum / 50ml,' spec 50ml, made in Japan, likewise a booster-type serum used before lotion. Volume, product stage, and manufacturing origin match on both sides, but the Taiwan page's barcode is Taiwan's own 4711441360559, different from the Japan JAN, and the ingredient copy differs between the two markets (the Japan page emphasizes naturally derived ingredients and the rice bran fermented liquid ratio, while the Taiwan page lists sodium hyaluronate and plant extracts), so this is recorded as same-spec rather than same JAN/same model. US price, checked 2026-09-18: muji.us products.json SKU/JAN 4550583451295 → 'Booster Serum 1.7 fl oz' variant 'Default Title' $24.90; available=true

Both are single-bottle listed prices for the same 50mL essence serum: ¥1,990 incl. tax in Japan, NT$490 in Taiwan. The Japan page doesn't use a bundle price and the Taiwan page doesn't state its tax basis; shipping, tax refunds, and card fees are not included.

Japanincl. tax、the USexcl. tax. Prices are a dated snapshot; stock and checkout prices are the retailer’s. The gap percent uses the the US list price as the denominator.

Tax-free estimate: Japan price incl. tax ÷ 1.1, rounded to the yen.Traveler tax-free eligibility required; the amount refunded follows the retailer.

FX: Bank of Taiwan spot selling reference rate; the US dollar is cross-converted · 2026-09-10 23:22:00+08:00 · FX source ↗