Cu skin Niacin 20% Vitamin C Ampoule vs The Ordinary Niacinamide 10% + Zinc 1%
Cu skin
Niacin 20% Vitamin C Ampoule
From $24· 1.01 Fl Oz (Pack of 1)
AdenosineAllantoinBeta-Glucan+6 more
The Ordinary
Niacinamide 10% + Zinc 1%
From $6· 30 ml
Niacinamide
Actives breakdown
| Active ingredient | Cu skin | The Ordinary |
|---|---|---|
| Adenosine | Yes | No |
| Allantoin | Yes | No |
| Beta-Glucan | Yes | No |
| Citric Acid | Yes | No |
| Glutathione | Yes | No |
| Glycerin | Yes | No |
| Hyaluronic Acid | Yes | No |
| Niacinamide | Yes | Yes |
| Panthenol | Yes | No |
Layering & Safety
Combined Verdict
Safe to layer
No layering conflicts flagged between these two. Patch-test new actives as usual.