IOPE Vitamin C vs The Ordinary Niacinamide 10% + Zinc 1%
IOPE
Vitamin C
~$49· 0.78 Fl Oz (Pack of 1)
CaffeineDimethiconeFerulic Acid+9 more
The Ordinary
Niacinamide 10% + Zinc 1%
~$6· 30 ml
Niacinamide
Actives breakdown
| Active ingredient | IOPE | The Ordinary |
|---|---|---|
| Caffeine | ✓ | — |
| Dimethicone | ✓ | — |
| Ferulic Acid | ✓ | — |
| Glutathione | ✓ | — |
| Hyaluronic Acid | ✓ | — |
| N-Acetylglucosamine | ✓ | — |
| Niacinamide | ✓ | ✓ |
| Panthenol | ✓ | — |
| PHA | ✓ | — |
| Squalane | ✓ | — |
| Vitamin C | ✓ | — |
| Vitamin E | ✓ | — |
Layering & Safety
Combined Verdict
Safe to layer
No layering conflicts flagged between these two. Patch-test new actives as usual.