Is it worth it?

The Inkey List Niacinamide Serum vs La Roche-Posay Effaclar Duo

Cheaper
The Inkey ListNiacinamide SerumTreatment
$8.991 oz · $8.99/oz
niacinamide
Buy ↗
Pricier
La Roche-PosayEffaclar DuoTreatment
$29.991.7 oz · $17.64/oz
benzoyl peroxideniacinamide
Buy ↗
The verdict

Paying $21.00 more for La Roche-Posay buys you benzoyl peroxide.

La Roche-Posay Effaclar Duo adds benzoyl peroxide (strong evidence) that The Inkey List Niacinamide Serum doesn't have. On consumer consensus, The Inkey List Niacinamide Serum holds 4.3★ across 12,400 reviews vs La Roche-Posay Effaclar Duo's 4.3★ across 8,900 reviews. The extra $21.00 for La Roche-Posay Effaclar Duo is defensible for the added benzoyl peroxide.

Not medical advice — consult a dermatologist. Conditions are self-declared and never diagnosed by this app.