Sinn Purete'
Sinn Purete' AG Concentrate Serum a + AG Concentrate Serum a Trial, 30ml
Sinn Purete' AG Concentrate Serum a + AG Concentrate Serum a Trial, 30ml
Rated 5.5 out of 7.0 by Japan’s largest beauty community
A great value set of serums containing starfish extract, which is gaining attention for being even more effective than retinol.
✓ 100% AUTHENTIC, SHIPS FROM JAPAN
✓ DUTIES & TAXES INCLUDED FOR US ORDERS
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What it is
[Set Contents] AG Concentrate Serum a Trial 30mL x 1 AG Concentrate Serum a Trial 8mL x 1 AG Concentrate Serum a: Contains a high concentration of Juventide*1 sustainably extracted from starfish. It has a stringy, viscous texture that penetrates the skin smoothly without feeling sticky. It also contains niacinamide and Job's tears seed ferment filtrate*2, which is expected to improve overall skin transparency. It boosts the skin from the root, leading to plump, radiant, and youthful-looking skin. *1 Saponin, seawater, glycerin *2 Saccharomyces/Job's tears seed ferment filtrate
Ingredients
AG Concentrate Serum a: Water, Glycerin, Propanediol, Methyl Gluceth-20, Diglycerin, Rhododendron Ferrugineum Extract, Saponin, Seawater, Maltodextrin, Niacinamide, Olive Leaf Extract, Saccharomyces/Coix Lacryma-Jobi Seed Ferment Filtrate, Rosa Canina Fruit Extract, Rosemary Leaf Extract, Tremella Fuciformis Polysaccharide, BG, Pentylene Glycol, PEG-60 Hydrogenated Castor Oil, PPG-13 Decyltetradeceth-24, Carbomer, Xanthan Gum, Sodium Polyacrylate, Succinic Acid, Potassium Hydroxide, EDTA-2NA, Fragrance, Ethylhexylglycerin, Phenoxyethanol, 1,2-Hexanediol
How to use
AG Concentrate Serum a: Take an appropriate amount (about the size of two pearls) in your hand and apply it to your entire face. Apply an extra layer to areas that feel dry or lacking in firmness. Finally, tilt your head back and breathe gently, fanning your face to help the beauty ingredients penetrate deep into your skin. <Estimated usage> About the size of two pearls (approximately 2 months' supply with morning and evening use) ・Do not use on areas with wounds, swelling, eczema, or other abnormalities. ・Use with caution to ensure that no skin abnormalities occur. ・If redness, swelling, itching, irritation, discoloration (such as white spots), or darkening occurs during or after use when exposed to sunlight, discontinue use. Continued use may worsen symptoms, so it is recommended to consult a dermatologist. ・Be careful not to get it in your eyes. If it gets in your eyes, rinse immediately. ・Because it contains naturally derived ingredients, sedimentation may occur and the color, scent, viscosity, etc. may vary slightly, but this does not affect the quality. • Store in a cool, dry place away from high and low temperatures and direct sunlight. • Keep out of reach of infants and children. • Always close the cap tightly after use.
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.