Cos De BAHA Azelaic Acid 10% Serum vs Paula's Choice Skin Perfecting 2% BHA Liquid Exfoliant
Cos De BAHA
Azelaic Acid 10% Serum
~$15· 30ml
Azelaic AcidNiacinamidePanthenol
Paula's Choice
Skin Perfecting 2% BHA Liquid Exfoliant
~$35· 4 fl oz
Salicylic Acid
Actives breakdown
| Active ingredient | Cos De BAHA | Paula's Choice |
|---|---|---|
| Azelaic Acid | ✓ | — |
| Niacinamide | ✓ | — |
| Panthenol | ✓ | — |
| Salicylic Acid | — | ✓ |
Layering & Safety
Combined Verdict
Safe to layer
No layering conflicts flagged between these two. Patch-test new actives as usual.