The Ordinary Niacinamide 10% + Zinc 1% vs Simple Simple Booster Serum - 10% Niacinamide
The Ordinary
Niacinamide 10% + Zinc 1%
~$6· 30 ml
Niacinamide
Simple
Simple Booster Serum - 10% Niacinamide
~$18· 1.01 Fl Oz (Pack of 1)
Citric AcidGlycerinNiacinamide+2 more
Actives breakdown
| Active ingredient | The Ordinary | Simple |
|---|---|---|
| Niacinamide | ✓ | ✓ |
| Citric Acid | — | ✓ |
| Glycerin | — | ✓ |
| Panthenol | — | ✓ |
| Vitamin E | — | ✓ |
Layering & Safety
Combined Verdict
Safe to layer
No layering conflicts flagged between these two. Patch-test new actives as usual.