Can you use La Roche-Posay Effaclar Duo with The Ordinary Niacinamide 10% + Zinc 1%?
Yes
Their key actives have no known conflict.
Based on 1 active-ingredient pairing, listed below.
How to use them
- Apply the thinner, more watery product first, then the thicker one.
- Finish with moisturizer, and sunscreen in the morning.
Every active pairing checked
| Actives | Verdict | Why |
|---|---|---|
| Salicylic Acid + Niacinamide | Yes | Yes. Niacinamide and salicylic acid work well together, especially for oily and acne-prone skin. |
What's in each product
Key actives
La Roche-Posay Effaclar Duo
Actives read from the published ingredient list (as transcribed on INCIDecoder). Formulas change; check your bottle.
Key actives
The Ordinary Niacinamide 10% + Zinc 1%
Actives read from the published ingredient list (as transcribed on INCIDecoder). Formulas change; check your bottle.
Sources
- Bissett DL, et al. Niacinamide: a B vitamin that improves aging facial skin appearance. Dermatol Surg. 2005;31(7 Pt 2):860-865.
- Kornhauser A, Coelho SG, Hearing VJ. Applications of hydroxy acids: classification, mechanisms, and photoactivity. Clin Cosmet Investig Dermatol. 2010;3:135-142.
- Zaenglein AL, et al. Guidelines of care for the management of acne vulgaris. J Am Acad Dermatol. 2016;74(5):945-973.
DM
Reviewed by the Does It Mix editorial team
Last reviewed . Product verdicts combine our ingredient-pair verdicts for each product's key actives. We are not affiliated with these brands. Methodology.