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Isntree
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A 20 ml serum at a brand-published 20 percent niacinamide, the highest-concentration step in Isntree's Hyper line. Korean brands sell this kind of percentage in a small bottle used a few drops at a time rather than as a daily whole-face serum. On pores it is worth being plain: a pore does not close, and what changes is how much shadow it casts.
Who it's for. Visibly enlarged pores, uneven texture and dull tone. High-percentage niacinamide can flush sensitive skin; patch test and start slowly.
How to use. After toner, press two or three drops over the face, starting once a day and only every other day if your skin is reactive. Follow with moisturizer. Can be used morning or night; if used in the morning, finish with sunscreen.
Key active. Niacinamide at a brand-published 20 percent, a vitamin B3 derivative used cosmetically for an evener-looking tone and refined-looking texture.
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 20 ml serum at a brand-published 20 percent niacinamide, the highest-concentration step in Isntree's Hyper line. Korean brands sell this kind of percentage in a small bottle used a few drops at a time rather than as a daily whole-face serum.
Visibly enlarged pores, uneven texture and dull tone. High-percentage niacinamide can flush sensitive skin; patch test and start slowly.
After toner, press two or three drops over the face, starting once a day and only every other day if your skin is reactive. Follow with moisturizer. Can be used morning or night; if used in the morning, finish with sunscreen.
Niacinamide at a brand-published 20 percent, a vitamin B3 derivative used cosmetically for an evener-looking tone and refined-looking texture.
On pores it is worth being plain: a pore does not close, and what changes is how much shadow it casts.
The steps that go with it, added in one click
Routine total
$84.00
4 products · added in one click
Sold out
Sold out100% 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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