Kosas Growpotion Fluffy Lash + Brow Boosting Serum vs The Ordinary Niacinamide 10% + Zinc 1%
Kosas
Growpotion Fluffy Lash + Brow Boosting Serum
From $48· 0.11 Fl Oz (Pack of 1)
Citric AcidGlycerinHyaluronic Acid+1 more
The Ordinary
Niacinamide 10% + Zinc 1%
From $6· 30 ml
Niacinamide
Actives breakdown
| Active ingredient | Kosas | The Ordinary |
|---|---|---|
| Citric Acid | Yes | No |
| Glycerin | Yes | No |
| Hyaluronic Acid | Yes | No |
| Panthenol | Yes | No |
| Niacinamide | No | Yes |
Layering & Safety
Combined Verdict
Safe to layer
No layering conflicts flagged between these two. Patch-test new actives as usual.