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HerDupes
The Ordinary

Niacinamide 10% + Zinc 1%

Niacinamide serum · 30 ml

$5.40

on Amazon · $5.32 / fl oz

Amazon price as of Sep 25, 2026, 7:41 PM ET, subject to change: the price on Amazon at checkout is the one that applies.

Paula's Choice 10% Niacinamide Booster
Dupe of Paula's Choice 10% Niacinamide Booster ($53).See the comparison →−93%

Available on Amazon. We may earn a commission; the price you pay is the same.

Description

Water-based serum with 10% niacinamide and 1% zinc PCA for blemish-prone, oily skin. 1 fl oz.

Key ingredients
  • Niacinamide
  • Zinc PCA

Compared with the original

Cost per fl oz

Paula's Choice$78.37 / fl oz
The Ordinary$5.32 / fl oz

$47.60 less at checkout than the original.

Size
Original · Paula's Choice20 ml
Dupe · The Ordinary30 ml
Key ingredients
Original · Paula's ChoiceNiacinamide, Acetyl glucosamine, Ascorbyl glucoside
Dupe · The OrdinaryNiacinamide, Zinc PCA

What matches

Same active at the same strength: 10% niacinamide, second on both lists right after water, in a thin serum for pores, oil and uneven tone.

What the dupe does worse

Paula's Choice adds acetyl glucosamine, a vitamin C derivative and licorice for brightening, while The Ordinary adds 1% zinc PCA for oil control and can pill under silicone-heavy products.

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$5.40

$5.32 / fl oz