Auteur Definitive Renewal Serum vs The Ordinary Niacinamide 10% + Zinc 1%
Auteur
Definitive Renewal Serum
~$558
ArgirelineCeramidesCitric Acid+8 more
The Ordinary
Niacinamide 10% + Zinc 1%
~$6· 30 ml
Niacinamide
Actives breakdown
| Active ingredient | Auteur | The Ordinary |
|---|---|---|
| Argireline | ✓ | — |
| Ceramides | ✓ | — |
| Citric Acid | ✓ | — |
| Glycerin | ✓ | — |
| Hyaluronic Acid | ✓ | — |
| Lactic Acid | ✓ | — |
| Niacinamide | ✓ | ✓ |
| Shea Butter | ✓ | — |
| Sodium PCA | ✓ | — |
| Squalane | ✓ | — |
| Vitamin E | ✓ | — |
Layering & Safety
Combined Verdict
Safe to layer
No layering conflicts flagged between these two. Patch-test new actives as usual.