COSRX The Hyaluronic Acid 3 Serum vs The Ordinary Niacinamide 10% + Zinc 1%
COSRX
The Hyaluronic Acid 3 Serum
~$17.5· 20ml
Hyaluronic AcidLactic AcidCeramides
The Ordinary
Niacinamide 10% + Zinc 1%
~$6· 30 ml
Niacinamide
Actives breakdown
| Active ingredient | COSRX | The Ordinary |
|---|---|---|
| Hyaluronic Acid | ✓ | — |
| Lactic Acid | ✓ | — |
| Ceramides | ✓ | — |
| Niacinamide | — | ✓ |
Layering & Safety
Combined Verdict
Safe to layer
No layering conflicts flagged between these two. Patch-test new actives as usual.