Is it worth it?

The Inkey List Niacinamide Serum vs Paula's Choice 10% Niacinamide Booster

Cheaper
The Inkey ListNiacinamide SerumTreatment
$8.991 oz · $8.99/oz
Buy ↗
Pricier
Paula's Choice10% Niacinamide BoosterTreatment
$48.001 oz · $48.00/oz
Buy ↗
The verdict

Paying $39.01 more for Paula's Choice buys you ascorbic acid.

Paula's Choice 10% Niacinamide Booster adds ascorbic acid (moderate 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 Paula's Choice 10% Niacinamide Booster's 4.5★ across 4,100 reviews. The extra $39.01 for Paula's Choice 10% Niacinamide Booster is defensible for the added ascorbic acid.

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