COSRX

COSRX 2 in 1 Poreless Power Liquid

Ingredient analysis and how the ad lines read

Read on 2026-09-22

What is this product?

A lightweight toner built on 88% white willow bark water with 0.1% betaine salicylate, aimed at pore and sebum care with a cooling feel. The short 18-item list is mild overall, though the salicylate derivative and menthyl lactate are worth noting for very reactive skin.

What makes it different?

White willow bark water is the first ingredient at a disclosed 88%, and betaine salicylate is disclosed at 0.1%. Allantoin (item 11), panthenol (item 12) and sodium hyaluronate (item 14) add soothing and hydration in the later half of the list. The full ingredient list is only 18 items long and the reference table found no fragrance or drying alcohol in it.

What is in it?

The full ingredient list as the brand publishes it, in the printed order. Each name links to what we know about that ingredient.

This brand publishes its ingredient list in Korean only. Names below are the matching INCI names from the Korean Cosmetic Association ingredient dictionary, except 2 with no dictionary entry, left in Korean.

Key ingredient

Ingredients with no mark are ones we found nothing notable about, and when marks overlap on one ingredient we show the caution first.

We could not place these in the list above: 베타인살리실레이트, 멘틸락테이트, 피이지-60하이드로제네이티드캐스터오일

Did the ad claims hold up?

We checked 8 lines this product advertises against the ingredient list and public documents. 3 of them hold up. The rest are only partly right or have nothing behind them.

Claims translated from Korean, originals preserved.

backed by evidence3

  • White willow bark water 88%
    Korean original

    화이트윌로우껍질수 88%

  • Betaine salicylate 0.1%
    Korean original

    베타인살리실레이트 0.1%

  • Extracted from white willow bark and cassia seed
    Korean original

    화이트윌로우껍질과 결명자에서 추출한

likely, not proven2

  • Dual pore care liquid that helps with pore care and sebum care
    Korean original

    모공 케어와 피지 케어에 도움을 주는 이중 모공 케어 리퀴드

  • Cooling liquid that helps with pore care
    Korean original

    모공 케어에 도움을 주는 쿨링 리퀴드

partly backed1

  • Gently provides intensive pore care with botanical ingredients
    Korean original

    식물성 성분으로 순하게 모공 집중케어

no evidence1

  • *Low irritation test completed
    Korean original

    *저자극 테스트 완료

says nothing1

  • With a transparent, flowing formula that is not sticky
    Korean original

    투명하게 흐르는 제형으로 끈적이지 않고

Each line is quoted as the brand published it, and each one was read on its own against the ingredient list and the documents the brand publishes.

How we read these lines