GASI
GASI Aqua Moisturizing Sleeping Mask, 250ml
GASI Aqua Moisturizing Sleeping Mask, 250ml
Rated out of 7.0 by Japan’s largest beauty community
Five-in-one sleeping mask that doesn't need to be rinsed off
✓ 100% AUTHENTIC, SHIPS FROM JAPAN
✓ DUTIES & TAXES INCLUDED FOR US ORDERS
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What it is
Moisturizing your skin is the most important thing! Five moisturizing ingredients are included for that purpose: (1) Glyceryl Glucoside: This ingredient comes from the resurrection plant, a desert plant that instantly absorbs moisture, expands its leaves, and revives lush green leaves even when it is completely withered without rain. (2) Ceramide NP: Not only provides moisture, but also creates a barrier to prevent moisture loss and maintain moisture. (3) Hydrolyzed Collagen: Fine collagen molecules penetrate deeper. (4) Hyaluronic Acid: The most well-known moisturizing ingredient. (5) Shea Butter: In Korea, shea butter is synonymous with moisturizing. This all-in-one product fulfills five functions with just one application: (1) Lotion (2) Serum (3) Emulsion (4) Cream (5) Mask. It doesn't need to be rinsed off, so it doesn't feel sticky even after application. A large, convenient 250ml capacity (approximately 2.5 months of daily use).
Ingredients
Water, glycerin, BG, mineral oil, petrolatum, polysorbate 60, DPG, glyceryl glucoside, ceramide NP, hydrolyzed collagen, hyaluronic acid, shea butter, glyceryl stearate, PEG-100 stearate, cetearyl alcohol, caprylic/capric triglyceride, carbomer, TEA, dimethicone, dimethicone/vinyl dimethicone crosspolymer, xanthan gum, cyclopentasiloxane, cyclohexasiloxane, fragrance, phenoxyethanol
How to use
After washing your face, apply an appropriate amount to the entire face.
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.