ISNTREE
ISNTREE Ultra-Low Molecular Hyaluronic Acid Sheet Mask
ISNTREE Ultra-Low Molecular Hyaluronic Acid Sheet Mask
@cosme rating: 5.6/7.0
Refines skin texture and replenishes moisture.
✓ 100% authentic
✓ Ships from Japan in 3-5 days
✓ Duties prepaid for US orders
✓ Tracked delivery via Japan Post
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What it is
This sheet mask uses ultra-low molecular weight hyaluronic acid (*1) to quickly eliminate dryness. It penetrates well (*2), leaving skin moisturized while maintaining a smooth finish. Its greatest feature is the use of fast-absorbing low molecular weight hyaluronic acid (*1). Furthermore, it contains deep-sea water rich in magnesium and potassium to achieve high moisturizing power. (*1) Moisturizing ingredient (*2) Up to the stratum corneum
Ingredients
Water, seawater, glycerin, BG, DPG, 1,2-hexanediol, hydroxyacetophenone, carbomer, hydrolyzed sodium hyaluronate, allantoin, betaine, arginine, ethylhexylglycerin, xanthan gum, methylhydroxyethylcellulose, EDTA-2Na, polyglyceryl-10 myristate, polyglyceryl-10 laurate, trehalose, sodium hyaluronate, hyaluronic acid, acetylglucosamine, squalane, hydroxypropyltrimonium hyaluronate, polyglutamic acid, clary sage extract, chamomile flower extract, hyacinth extract, cornflower extract, lavender flower extract, borage extract, sodium acetylated hyaluronate, hydrolyzed hyaluronic acid, sodium hyaluronate crosspolymer, hyaluronic acid
How to use
After washing your face and toning your skin with lotion, remove the mask from the pouch and apply it firmly to your face, aligning it with the eye, nose, and mouth lines. After 10-20 minutes, remove the 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.