COSRX AHA 7 Whitehead Power Liquid vs COSRX BHA Blackhead Power Liquid
A side-by-side comparison of two Korean exfoliators — ingredients, skin-type fit, size and live UK prices — to help you decide which to buy.
| Price (from) | £8.09 | £9.59 |
|---|---|---|
| Category | Exfoliators | Exfoliators |
| Key ingredient | AHA 7% (Glycolic Acid) | BHA 4% (Betaine Salicylate) |
| Best for | oily, combination, normal | oily, combination |
| Targets | texture, pores, acne, pigmentation | acne, pores, texture |
| Size | 100ml | 100ml |
| Rating | 4.7 / 5 | 4.8 / 5 |
Which should you choose?
COSRX AHA 7 Whitehead Power Liquid centres on AHA 7% (Glycolic Acid), while COSRX BHA Blackhead Power Liquid leads with BHA 4% (Betaine Salicylate). Both work for oily, combination skin, so it often comes down to texture, price and the active you want to prioritise. On price, COSRX AHA 7 Whitehead Power Liquid is currently the better value — but prices change daily, so check both live below.
Frequently asked questions
What is the difference between COSRX AHA 7 Whitehead Power Liquid and COSRX BHA Blackhead Power Liquid?
Both are Korean exfoliators. COSRX AHA 7 Whitehead Power Liquid is built around AHA 7% (Glycolic Acid), while COSRX BHA Blackhead Power Liquid leads with BHA 4% (Betaine Salicylate). Both suit oily, combination skin.
Which is cheaper, COSRX AHA 7 Whitehead Power Liquid or COSRX BHA Blackhead Power Liquid?
COSRX AHA 7 Whitehead Power Liquid is currently the cheaper of the two at around £8.09. We price-compare both daily across UK retailers, so check the live prices above before buying.
Can I use COSRX AHA 7 Whitehead Power Liquid and COSRX BHA Blackhead Power Liquid together?
In most routines you can layer different product types, but two products of the same step (e.g. two exfoliators) are usually used as alternatives rather than together. Patch-test new actives and introduce one at a time.

