• Free shipping on orders $120+ · $12.99 under $120

  • Ships from Seoul · 8–14 business days · 30-day returns

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COSRX

COSRX The Hyaluronic Acid 3 Serum 20ml

$31.00

In stock

  • ✓Sourced directly in Seoul
  • ✓100% authentic Korean products
  • ✓Free shipping on orders $120+
  • ✓Ships from Seoul in 1-3 business days
Description

A 20 ml serum at 3% hyaluronic acid, which is a lot of humectant in a small bottle. This is a concentrate meant to be layered on damp skin, not a moisturizer on its own.

Who it's for. Dry and dehydrated skin of any type, including oily skin that is dehydrated rather than dry.

How to use. After cleansing and toner, apply two or three drops while skin is still wet, press in, and seal with a cream. Without water underneath and a cream on top, a high-HA serum can leave skin feeling tighter rather than softer. Morning and night.

Key active. Hyaluronic acid at 3%, a humectant that binds water in the surface layers so skin looks plumper and lines look softer while it is hydrated.

Sourced in Seoul. This is the Korean domestic SKU, not a reformulated export version.

Shipping & returns

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.

Ingredients

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.

COSRXCOSRX The Hyaluronic Acid 3 Serum 20ml
$31.00

What it is

A 20 ml serum at 3% hyaluronic acid, which is a lot of humectant in a small bottle. This is a concentrate meant to be layered on damp skin, not a moisturizer on its own.

Who it's for

Dry and dehydrated skin of any type, including oily skin that is dehydrated rather than dry.

How to use

After cleansing and toner, apply two or three drops while skin is still wet, press in, and seal with a cream. Without water underneath and a cream on top, a high-HA serum can leave skin feeling tighter rather than softer. Morning and night.

Key active

Hyaluronic acid at 3%, a humectant that binds water in the surface layers so skin looks plumper and lines look softer while it is hydrated.

Complete your routine

The steps that go with it, added in one click

Treat
Cleanse
Tone
Moisturize

Routine total

$122.00

4 products · added in one click

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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