ISOI
ISOI Mask Set
ISOI Mask Set
Rated 4.6 out of 7.0 by Japan’s largest beauty community
This is a special set that allows you to buy in bulk at a great price.
✓ 100% AUTHENTIC, SHIPS FROM JAPAN
✓ DUTIES & TAXES INCLUDED FOR US ORDERS
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What it is
[Set Contents] ・Blemish Care Mask 5 sheets (full size) ・Blemish Care Up Serum 2mL x 3 (sample) The beauty serum ingredients of ISOI No.1 serum are concentrated in one sheet. It reaches every corner of the skin, leading to a fresh and bright complexion. This moisturizing sheet mask aims for smooth, even-textured skin.
Ingredients
Water, Glycerin, Betaine, Arbutin, Ethanol, Scutellaria Baicalensis Root Extract, Paeonia Suffruticosa Root Extract, Xanthan Gum, Butylene Glycol, Glycyrrhiza Glabra (Licorice) Root Extract, Panthenol, Rhus Arvense Gall Extract, Olive Leaf Extract, Chrysanthemum Greens Flower Extract, Sophora Rosmarinus Officinalis Bud Extract, Prunella Vulgaris Leaf Extract, Rosmarinus Officinalis (Rosemary) Leaf Extract, Melaleuca Viridiflora Leaf Oil, Chamomile Flower/Leaf Extract, Centella Asiatica Extract, Angelica Keiskei Extract, Acai Fruit Extract, Blueberry Fruit Extract, Emblica Officinalis Fruit Extract, Cranberry Fruit Extract, Rosa Damascena Flower Water, Calendula Officinalis Flower Extract, Lavandula Angustifolia (Lavender) Oil, 1,2-Hexanediol, Rosa Damascena Flower Oil
How to use
Use on clean skin after washing your face. Take out the sheet mask and apply it to your entire face, avoiding the areas around your eyes and mouth. After 10-20 minutes, remove the sheet mask and gently pat the remaining serum into your skin.
We ship internationally from Japan!
Frequently Asked Questions
Is this authentic?
Yes. We only buy from official retailers and directly from the brands here in Japan. Never resellers, never grey market stock.
We are beauty lovers too, so we know the worry, especially with something you are putting on your face. Authenticity is 100% guaranteed by us.
What are your shipping rates?
On orders under US$75, shipping is a flat US$20 to the United States and US$10 to all other countries.
Orders of US$75 or more ship free, applied automatically at checkout. Your exact shipping cost is shown before you pay.
How long does delivery take?
These estimates are for International Airmail (Tracked) and include 3 to 5 business days of processing in Japan.
- United States: 12 to 15 business days
- Canada, United Kingdom, France, Germany: 9 to 12 business days
- Australia, New Zealand, Denmark, Finland, India, Indonesia, Italy, Netherlands, Spain, Sweden, Switzerland: 10 to 13 business days
- China, Hong Kong, Malaysia, Singapore, South Korea, Taiwan, Thailand, Vietnam: 8 to 10 business days
- Rest of the world: 11 to 18 business days
Actual delivery can be affected by customs clearance, seasonal congestion, or carrier delays in the destination country, all of which are outside our control.
Do you offer express shipping?
Yes. As of 22 July 2026, we offer International Express Mail through Japan Post. The cost is based on order weight and is calculated automatically at checkout.
Will I pay customs or import fees?
US orders: No. As of July 1, 2026, all US orders ship DDP (duties delivered prepaid), meaning we prepay all import duties on our end. Nothing is due at your door.
Orders outside the US: Possibly. Duties and import taxes are set by your local customs authority and are not collected at checkout, so any charges on delivery are your responsibility.
We're working on rolling out prepaid duties for more countries soon.