Piboo
My shelf

COSRX AHA/BHA Clarifying Treatment Toner

Ingredients and claims, checked

Product photo of COSRX AHA/BHA Clarifying Treatment Toner

Last checked September 28, 2026

Buy on the brand site
Budget for toners
Other stores (1)

We don't earn anything from these links. If that ever changes, we'll label the link.

What is it like at a glance?

What the ingredients do

Hydration and exfoliation lead, with 2 of 11 ingredients each.

Hydration
2
Exfoliation
2
Skin protection
1

By skin type

  • CombinationUse with care

Piboo’s rating from user reports.

Worth knowing

  • Pregnancy: check first

Made for

What is this product?

What to expect
It's made for better hydration and calmer skin.
Key ingredients
Glycolic Acid, Betaine Salicylate, Salix Alba (Willow) Bark Water
When
Morning and evening

A watery exfoliating toner made with glycolic acid. Spritz it on or sweep it over with a cotton pad. It comes in a 150 ml size.

Who is it for?

Good for

  • Oily skin

What's good, and what to watch for?

Good points

  • Glycolic acid and betaine salicylate smooth away dead skin

Watch-outs

  • Pregnancy: check first (Betaine Salicylate)

What is in it?

The full ingredient list as the brand publishes it, in the printed order. Tap a name to read about that ingredient.

Key ingredientWorth a closer look

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

What the claims add up to

Only partly backed:
a smoother skin texture (amount unknown) · calmer skin (amount unknown) · less shine (amount unknown) · better hydration
Don't count on:
better barrier support
Tests passed:
hypoallergenic · skin irritation
See each claim, checked (15)

Claims, checked

  • Skin low-irritation test completedbacked by evidence
  • First-step toner for getting started with Acid!plausible, not tested
  • Unlike ordinary toners that only replenish the skin's moisture, Acid toner has three effects: moisture supply, dead skin cell care, and skin texture refinementplausible, not tested
  • With a minimalism-optimized formula, we included only what is absolutely necessaryplausible, not tested
  • With a mist-type, light, non-sticky formula, it's perfect for dead skin cell care in a busy daily life!plausible, not tested
  • Dead skin cells · skin texture · oil/moisture balance care all at once!plausible, not tested
  • Refreshing daily dead skin cell tonerplausible, not tested
  • Not only the skin's old dead skin cells, but even waste products like sebum, completely gone! It's a smart toner that meticulously cares for the skin's outside and inside.partly backed
  • Mildly acidic · low-irritation, a burden-free daily tonerpartly backed
  • With white willow bark water and apple water containing natural Acid, low-irritation dead skin cell & sebum care, and even soothing & moisture supply with allantoin and panthenol!partly backed
  • Complete a healthy skin condition with a daily dead skin cell mist toner that has a skin-friendly mildly acidic pH formula and light, fast absorptionpartly backed
  • Mildly acidic pH formulano supporting source found
  • Strengthens the skin barrier with a mildly acidic pH formula, the healthiest for skinno supporting source found
  • If you've hesitated about Acid care, start gently!nothing specific to check
  • Spritz-spray and it's done, so it's more convenient than anythingnothing specific to check

We quote each claim exactly as the brand published it, then check it against the ingredient list and the brand's own documents.

How we check claims

What else is worth seeing?

Products we read alongside this one.