Paula's Choice Skin Perfecting 2% BHA Liquid Exfoliant

COSRX

BHA Blackhead Power Liquid

Name: COSRX BHA Blackhead Power Liquid
Brand: COSRX
SKU: B00OZEJ8R8
Availability: InStock

BHA exfoliant · 100 ml

$25

approx. retail · $7.39 / fl oz

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

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Description

Gentle daily BHA liquid for congested skin and blackheads.

Key ingredients

Betaine salicylate (BHA)
Niacinamide
Willow bark water

Compared with the original

The original

Paula's Choice

Skin Perfecting 2% BHA Liquid Exfoliant

$35

$8.77 / fl oz

-16%per oz

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.

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