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