Dr. Althea Vitamin C Boosting Serum vs The Ordinary Niacinamide 10% + Zinc 1%
Dr. Althea
Vitamin C Boosting Serum
~$19.12· Standard Size
Vitamin C
The Ordinary
Niacinamide 10% + Zinc 1%
~$6· 30 ml
Niacinamide
Actives breakdown
| Active ingredient | Dr. Althea | The Ordinary |
|---|---|---|
| Vitamin C | ✓ | — |
| Niacinamide | — | ✓ |
Layering & Safety
Combined Verdict
Use with caution
Vitamin C and Niacinamide can clash: Sensitive skin may flush.