COSRX AHA 7 Whitehead Power Liquid vs Paula's Choice Skin Perfecting 2% BHA Liquid Exfoliant
COSRX
AHA 7 Whitehead Power Liquid
~$17.37· 100ml
NiacinamideGlycolic AcidHyaluronic Acid+1 more
Paula's Choice
Skin Perfecting 2% BHA Liquid Exfoliant
~$37· 4 fl oz
Salicylic Acid
Actives breakdown
| Active ingredient | COSRX | Paula's Choice |
|---|---|---|
| Niacinamide | ✓ | — |
| Glycolic Acid | ✓ | — |
| Hyaluronic Acid | ✓ | — |
| Panthenol | ✓ | — |
| Salicylic Acid | — | ✓ |
Layering & Safety
Combined Verdict
Use with caution
Glycolic Acid and Salicylic Acid can clash: AHA + BHA stacking risks over-exfoliation. Use a pre-formulated AHA/BHA product or alternate days.