The Ordinary Niacinamide 10% + Zinc 1% vs TIRTIR Azelaic Acid 12% Serum
The Ordinary
Niacinamide 10% + Zinc 1%
~$6· 30 ml
Niacinamide
TIRTIR
Azelaic Acid 12% Serum
~$25· 30ml
Azelaic AcidHyaluronic AcidCeramides+2 more
Actives breakdown
| Active ingredient | The Ordinary | TIRTIR |
|---|---|---|
| Niacinamide | ✓ | — |
| Azelaic Acid | — | ✓ |
| Hyaluronic Acid | — | ✓ |
| Ceramides | — | ✓ |
| Panthenol | — | ✓ |
| Vitamin E | — | ✓ |
Layering & Safety
Combined Verdict
Safe to layer
No layering conflicts flagged between these two. Patch-test new actives as usual.