Neutrogena Collagen Bank 15% Vitamin C Serum vs The Ordinary Niacinamide 10% + Zinc 1%
Neutrogena
Collagen Bank 15% Vitamin C Serum
~$13.99· 0.5 fl oz
Vitamin CPHA
The Ordinary
Niacinamide 10% + Zinc 1%
~$6· 30 ml
Niacinamide
Actives breakdown
| Active ingredient | Neutrogena | The Ordinary |
|---|---|---|
| Vitamin C | ✓ | — |
| PHA | ✓ | — |
| Niacinamide | — | ✓ |
Layering & Safety
Combined Verdict
Safe to layer
No layering conflicts flagged between these two. Patch-test new actives as usual.