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COSRX
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A leave-on liquid with 7% glycolic acid in a base of 78.05% apple water, a Korean format that sits between a toner and a serum and is poured onto a pad or into the palm. 100 ml is a lot of acid to get through, so the bottle assumes two or three nights a week, not daily use.
Who it's for. Normal to oily skin with congested, bumpy texture and visible whiteheads. Not for skin already using another leave-on acid.
How to use. At night, after cleansing, apply a small amount with hands or a cotton pad and avoid the eye area. Start twice a week and build up slowly. Sunscreen the next morning is not optional.
Key active. Glycolic acid at 7%, an AHA that loosens the bonds between surface dead cells so skin looks clearer and reflects light more evenly.
Sourced in Seoul. This is the Korean domestic SKU, not a reformulated export version.
All orders ship from South Korea. Your order is picked and packed by our logistics partner in Bucheon-si, Gyeonggi-do, then travels to the United States as an international shipment.
Handling 1-3 business days, international transit and customs clearance 7-11 business days. Total estimated delivery 8-14 business days. These are estimates, not guarantees.
Free shipping on orders $120+; a flat $12.99 below that. The $120 threshold applies to your order total after any automatic discount. Product prices do not include U.S. import duties or customs fees, which are billed by the carrier and are the responsibility of the recipient.
You may request a return within 30 days of delivery on unused, unopened items. Returns ship to our facility in South Korea and require a Return Authorization Number, which you must request from us before sending anything.
The full ingredient list (INCI) is printed on the product packaging. These are authentic Korean-market formulations sourced directly in Seoul - the domestic SKU, not a reformulated export version.

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A leave-on liquid with 7% glycolic acid in a base of 78.05% apple water, a Korean format that sits between a toner and a serum and is poured onto a pad or into the palm. 100 ml is a lot of acid to get through, so the bottle assumes two or three nights a week, not daily use.
Normal to oily skin with congested, bumpy texture and visible whiteheads. Not for skin already using another leave-on acid.
At night, after cleansing, apply a small amount with hands or a cotton pad and avoid the eye area. Start twice a week and build up slowly. Sunscreen the next morning is not optional.
Glycolic acid at 7%, an AHA that loosens the bonds between surface dead cells so skin looks clearer and reflects light more evenly.
The steps that go with it, added in one click
Routine total
$118.00
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100% authentic
Sourced in Korea from the brands. Never counterfeit.
Ships from Seoul
Dispatched from Bucheon. 8-14 business days to the US.
Free shipping $120+
Flat $12.99 under $120. Import duties not included.

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