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Free US shipping on orders of $100 or more. 100% authentic Korean-market formulas. Ships from our California warehouse, at your door in 3-5 days. Intact Korean batch codes on every unit.

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KOREAN PHARMACY

COSRX

AC Collection Acne Patch

COSRX AC Collection Acne Patch is a patch with Centella Asiatica Extract, used apply a patch from it to clean, dry skin at the end of the evening routine.

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$17.99
  • Ships from our California warehouse
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Suited to
Dry skinCompromised barrierSensitive skin
Helps with
Shoppers looking for Centella Asiatica Extract in a patchRoutines that want Centella Asiatica Extract and Mineral Oil in one stepFilling the patch step with a Korean-market formula

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  • 30-day returns
  • Free US shipping on orders of $100 or more
  • Dispatched within 2 business days

How it works

The AC Collection Acne Patch is a patch, used apply a patch from it to clean, dry skin at the end of the evening routine. The plant extract it is built around is Centella Asiatica Extract, named sixth on its own ingredient list. The same list carries Mineral Oil, so the plant extract is not the only thing on it worth naming. How much of the Centella Asiatica Extract stays on the skin, and for how long, is decided by the patch format rather than by the list alone. COSRX sells this Centella Asiatica Extract patch in Korea, and this is that version.

Key benefits

  • Mask, from COSRX's Korean-market lineup
  • The barcode and batch code on the box are the Korean-market ones, unaltered
  • COSRX verifies units itself, on cosrx.com, against the batch number and expiration date printed on your unit.

Key actives

Centella Asiatica Extract

a cica botanical used to calm visible redness after exfoliation or sun exposure

How to use

  1. Press a patch from the AC Collection Acne Patch onto clean, dry skin at the end of the evening routine.
  2. Push it down from the middle outward until the edges sit flat, then leave it in place overnight.
  3. Nothing goes over it, and it holds best on bare skin, so let every leave-on layer absorb first.
  4. One patch per spot per session. Do not press a fresh patch onto damp skin or over a cream; it will lift within the hour.

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COSRX AC Collection Acne Patch

COSRX AC Collection Acne Patch

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Worth knowing

  • Patch test this patch on a small area and wait a day before using it more widely, especially with Centella Asiatica Extract on the list.
  • Introduce this patch on its own for the first week, so anything your skin does is traceable to the Centella Asiatica Extract rather than to three changes at once.

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We’re on gram!

Creators trying on authentic Korean skincare routines and products from us.

  • Rating a shelf of Dr. Althea products one by one.

    Jasmine Loo · YouTube

  • Two hydrating serums side by side, IUNIK and Dr. Althea.

    Kristin · YouTube

  • A walk through the Dr. Althea serum lineup and who each one suits.

    auraofmahmuda · YouTube

  • A blunt first take on the Dr. Althea range.

    Lexi Chang · YouTube

  • A first look at the viral 345 Relief Cream before buying.

    Shelley Nayak · YouTube

  • A first try of the Dr. Althea serum on camera.

    Hannah Ziad · YouTube

COSRX, Korean-market original

This one is built on carboxymethylcellulose sodium under a polyurethane film, with centella asiatica extract on the same list.

Verify your unit when it arrives

Verify your unit when it arrives

Korean-market stock with the original barcode and batch code intact, exactly as it left Korea.

COSRX verifies units itself. Find the verification page on cosrx.com and enter the batch number and expiration date printed on your unit. Read them off the package rather than from us, which is the point.

Source: COSRX FAQ

On the unit itself

  • The Korean-market barcode, unaltered from the retail package.
  • The manufacturer’s batch code, exactly as the maker printed it.

정품Genuine article, Korean-market stock

What professionals say

What professionals say

What skin-care professionals say about skin care, quoted from the medical sources linked beside each.

  • Centella can make your skin appear more hydrated, plumper and healthier.

    Samantha Stein, PA-CDermatology physician assistant, Cleveland Clinic
  • Pretty much every step of a Korean skin care routine is going to have some component of hydration.

    Alok Vij, MDDermatologist, Cleveland Clinic

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