ONE STONE TWO BIRDS
ONE STONE TWO BIRDS Beauty Liquid 100 Mask Azelaic Acid & VC, 18 Sheets
ONE STONE TWO BIRDS Beauty Liquid 100 Mask Azelaic Acid & VC, 18 Sheets
Rated 5.4 out of 7.0 by Japan’s largest beauty community
One sheet contains the equivalent of one bottle of serum! For skin free from stickiness and sebum problems.
✓ 100% AUTHENTIC, SHIPS FROM JAPAN
✓ DUTIES & TAXES INCLUDED FOR US ORDERS
Couldn't load pickup availability
What it is
[Value Large Pack] Two Types of Azelaic Acid*1 & VC Derivative*2: For Rough Skin, Sebum Problems, and Pores*3 1. This rich, intensive moisturizing care mask prevents rough skin with two types of azelaic acid*1, while the VC derivative*2 leads to skin with less noticeable pores*3. 2. Each sheet contains the equivalent of a bottle of rich, viscous serum. The extra-thick sheet holds the essence and delivers it to your skin. 3. Specially designed for superior adhesion. It fits snugly to your face, providing thorough care for troublesome areas around the eyes, nose, and mouth. *1 Azelaic Acid, Azeloyl Diglycine Potassium (all skin-conditioning ingredients) *2 Sodium Ascorbyl Phosphate, 3-O-Ethyl Ascorbic Acid, Trisodium Ascorbyl Palmitate Phosphate, Ascorbyl Glucoside (all skin-conditioning ingredients) *3 Moisturized, smooth skin with less noticeable pores.
Ingredients
Water, Butylene Glycol, Glycerin, Azelaic Acid, Potassium Azeloyl Diglycinate, Sodium Ascorbyl Phosphate, 3-O-Ethyl Ascorbic Acid, Trisodium Ascorbyl Palmitate Phosphate, Ascorbyl Glucoside, Bisethoxydiglycol Cyclohexane-1,4-dicarboxylate, Lavender Oil, Citrus Lemon Peel Oil, Carbomer, Xanthan Gum, PEG-60 Hydrogenated Castor Oil, Potassium Hydroxide, Disodium EDTA, Phenoxyethanol
How to use
To ensure the serum is absorbed into the mask, gently knead the entire packet with both hands before each use. 1. Remove one mask at a time and place it on your skin. 2. Leave on for approximately 3 minutes for daily care, or 5-10 minutes for special care. 3. Remove the mask and massage 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.