asian cosmetics beauty review Wishtrend

Review: COSRX AHA/BHA Clarifying Treatment Toner

28. May 2015


Finally, here is my review on the famous COSRX AHA/BHA Clarifying Treatment Toner. I’ve read so many reviews about it that I knew I had to try it! I loved my Klairs Supple Preparation Toner, but since I emptied it quite quickly there was time for a new product to try.

COSRX AHA/BHA Clarifying Treatment Toner

COSRX is an affordable Korean brand “offering good quality beauty items for 10 years”. The brand name is composed of COS for cosmetics and RX for prescription. Brands like Ciracle and C20 (yes, the famous vitamin C serum) are also part of COSRX. One of the rather popular skincare lines from COSRX is the AHA/BHA skincare products. I’ve also bought the COSRX BHA Summer Pore Minish Serum and the COSRX Acne Pimple Master Patch.

COSRX AHA/BHA Clarifying Treatment Toner

The COSRX AHA/BHA Clarifying Treatment Toner is an astringent toner with exfoliating properties, which prevents whiteheads, blackheads, and blemishes. The toner is thereby not only addressing troubled skin types, but also dry skin types promising hydration and exfoliation in order to fight flaking skin. The toner comes in a typical packaging for COSRX products. The packaging design is simple: the toner comes in a milky plastic bottle inside a cardboard box. the cardboard box contains very clear descriptions in English and Korean. I really appreciate the list of advice they put in English!

COSRX AHA/BHA Clarifying Treatment Toner

The ingredient list for the COSRX AHA/BHA Clarifying Treatment Toner is quite short and all the ingredients are listed on COSDNA and are safe to use (click >>here<<). The toner contains willow bark water and apple fruit water as main ingredients. Both have a concentration of 10%. The willow bark water has astringent and anti-inflammatory properties, so it is really a useful ingredient. Apple fruit water on the other hand only has fragrance properties. It would have been great if there had been 10% of apple fruit extract instead of water because the extract has skin conditioning properties! Glycolic acid (an AHA) and Betaine Salicylate (a BHA) are the two ingredients which are giving the name to this product. BHAs and AHAs are chemical exfoliators, which work their wonders in low pH. But, these two ingredients are only in a 0.1 % concentration each, so the exfoliating effect is not comparable to high concentration BHA/AHA products.

COSRX AHA/BHA Clarifying Treatment Toner

As you can see above the concentration of the AHA and BHA is written on the label of the bottle. The bottle contains 150 ml and according to the description on Wishtrend the COSRX AHA/BHA Clarifying Treatment Toner has a pH of 3.9 (I measured a pH of 4 with pH strips). The production and expiration date is printed on the bottle of the tube.

COSRX AHA/BHA Clarifying Treatment Toner

I’m using this toner in the mornings and evenings by spraying it on a cotton pad and blotting the cotton pad over my face, especially over my T-zone. After applying the toner I use Vitamin C serum or other BHA/AHA products.

COSRX AHA/BHA Clarifying Treatment Toner

I do love the spraying nozzle. It sprays a fine mist of the product, and it helps not to use too much of the toner accidentally. Also, it is very hygienic to use, because neither your hands nor the cotton pad touches the nozzle. the toner is a watery, clear solution with a hint of a fruity scent which disappears immediately. The toner also absorbs fast into the skin and does not feel sticky. It works super good with the OST Vitamin C21 serum, and after using it for a month I feel my skin around my nose and forehead feels smoothened. Since I don’t have a lot of troubles or blackheads/whiteheads I cannot say anything about its effects on those problems, but I feel that it works well with my skincare routine. And most important, the COSRX AHA/BHA Clarifying Treatment Toner didn’t break me out either.

COSRX AHA/BHA Clarifying Treatment Toner

I’m personally very happy with this toner, and it looks like a perfect addition for my skincare routine. I love the feeling of it being not sticky and I like the short ingredient list. Also, it works great with my vitamin C serum and makes my skin feel smoother. If COSRX would change the apple fruit water to apple fruit extract I would love this even more! You can read another positive review on the COSRX AHA/BHA Clarifying Treatment Toner on Moi Sanom’s blog 35th Of May >>here<< (interesting for troubled skin types). Also, take a look at this comparison review between the COSRX AHA/BHA Clarifying Treatment Toner and the Mizon AHA BHA Daily Clean Toner by Cat from Snow White And The Asian Pear >>here<<. I didn’t try the Mizon toner myself but seems that for her the latter works better. It is a good product worth trying, but as you can see it can be different from skin to skin how good this works. The COSRX AHA/BHA Clarifying Treatment Toner retails for 16 US$ Wishtrend and Beautytap. Also check out my page for coupons and discounts >>here<< to save some bucks!


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  • Evelyn 28. May 2015 at 19:45

    This will be the next toner I’ll buy since I’m currently using the A-Sol serum and works so good with my pimples.
    Thank you for this complete review ^^

  • Sharlynn Ng 29. May 2015 at 9:57

    This sounds really good for combination/oily skin! I would love to try this! I’m always using at least 2 types of toners and always have new ones to open! I totally must try this in the future!

  • MissLovelyAttitude 29. May 2015 at 15:12

    sounds ike a great product :) I’ll put it on my list :)

  • Celly 30. May 2015 at 2:57

    That looks like a great toner! Wishtrend has really good stuff, they always make me want to buy more!

  • Kim 2. June 2015 at 3:47

    I purchased the Cosrx blackhead power liquid after so many of you guys recommended this brand on my skin post and I am not disappointed! Cosrx seems like they really know what they’re doing when it comes to acne. Glad you like this toner! I’m still on the fence about toners as I’m not sure whether they are essential to my routine. Glad you like it! Although you can’t possibly get clearer skin- your skin is so nice!

  • miriam 10. June 2015 at 18:46

    This looks great! My skin’s been flaking recently, so I may have to give this a go.

  • Dany 13. June 2015 at 22:05

    Definitely, this will be my next purchase in WISHTREND. Thanks for the review!

  • starsandseashells 23. July 2015 at 10:43

    I have just got the Cosrx BHA Blackhead Power liquid.. and I am so excited to try it after reading this post.. I will definitely do a review like yours on my blog.. :) Thanks a ton for the information.. Love…

  • Jessica 24. August 2016 at 0:20

    Hi! Lovely post. Make me want to buy the Cosrx toner. I’ve been hesitant about this for a long time. Anyway, about the other more powerful actives (like the Cosrx bha and aha power liquid, or the bha a-sol), could you use them together with the C20 vitamin c serum? Like for example: pH adjusting toner > vitamin c serum > bha a – sol > aha power liquid. Or is this overkill? Thanks so much!

    • Frl. Schnee 13. January 2017 at 11:10

      Hello dear, sorry for the late answer, I never used them together but separately, like vitamin C during day and more powerful AHA and BHA in my nighttime routine, but if you wait between vitamin C and the BHA/AHA you could also try it together.

  • Nina 1. November 2016 at 15:03

    Hi! I have dry sensitive skin. Would you recommend this toner or the Dear Klairs toner for my skin type?

    • Frl. Schnee 1. November 2016 at 23:03

      I would recommend the Klairs Toner if you have sensitive skin.

  • Victoria 11. January 2017 at 10:27

    Hello Frl. Schnee,
    I am 45 years old, and sensitive skin. Would you recommend this toner for my skin routine?

    • Frl. Schnee 13. January 2017 at 9:55

      Since everybodies skin reacts differently, this question is hard to day. But the toner is per se not harsh, so you might get some samples first?

  • zonaira faisal 16. January 2018 at 12:24

    Hi..I have acne scars left over my face.. does this toner benefit me in any way…n my skin is oily

    • Frl. Schnee 16. January 2018 at 12:29

      Of course I’m no expert and it is hard to tell. The concentration of chemical exfoliants in the toner is not high. I would suggest to get a more concentrated essence or serum.