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Paula's Choice Skin Perfecting 2% BHA Liquid Exfoliant

Paula's Choice

Skin Perfecting 2% BHA Liquid Exfoliant dupes

Skin Perfecting 2% BHA Liquid Exfoliant costs about $35 for 118 ml ($8.77 / fl oz). The closest match below is COSRX BHA Blackhead Power Liquid at $25, about 16% less per ounce. Each pair is compared on format, finish and key ingredients, including what the dupe doesn't do.

Leave-on liquid exfoliant for clogged pores and blackheads. Apply with a cotton pad after cleansing, starting every other evening.

Original
$35
Cheapest dupe
$25
You save
16%

Prices checked 23 September 2026; Amazon's price today may differ.

The dupe, side by side

Cost per fl oz

Paula's Choice$8.77 / fl oz
COSRX$7.39 / fl oz

$10 less at checkout than the original.

Size
Original · Paula's Choice118 ml
Dupe · COSRX100 ml
Key ingredients
Original · Paula's Choice2% salicylic acid
Dupe · COSRXBetaine salicylate (BHA), Niacinamide, Willow bark water

What matches

Also a leave-on 4% betaine salicylate BHA, gentler than pure salicylic acid, so it stings less on sensitive skin but works more slowly. Adds willow bark and niacinamide.

Questions

What is the best dupe for Paula's Choice Skin Perfecting 2% BHA Liquid Exfoliant?

COSRX BHA Blackhead Power Liquid at about $25. Also a leave-on 4% betaine salicylate BHA, gentler than pure salicylic acid, so it stings less on sensitive skin but works more slowly. Adds willow bark and niacinamide.

How much do you save?

Skin Perfecting 2% BHA Liquid Exfoliant costs about $35 for 118 ml, or $8.77 / fl oz. COSRX BHA Blackhead Power Liquid works out at $7.39 / fl oz, roughly 16% less.

Is a dupe the same as the original?

No. A dupe matches the format, finish or key ingredients closely enough that most people won't see a difference in wear. Packaging, scent, shade range and longevity usually differ, and each comparison on this page says how.

$25

COSRX · 16% less

Buy the dupe

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