EVIDENCE COMPARISON

Supportive

Niacinamide
vs Silymarin
for Pigmentation Reduction

Early or indirect evidence suggests silymarin may reduce pigmentation slightly more than niacinamide for improving skin tone, based on indirect comparison.

1.06x

Effect ratio

Silymarin

Favored

3

Studies

Indirect

Comparison

This is an indirect comparison — the two ingredients were not tested head-to-head in the same trial. The ratio is derived from separate studies against a common comparator.

Tone

How to read this claim

Kept public as exploratory because it indirect comparison; mixed endpoint quality.

Some study-specific context may affect how broadly this comparison generalizes.

1 linked trialIngredient trial

Source Studies (3)

A Randomized, Double-Blind, Split-Face Study of Topical Silymarin vs 2% Hydroquinone Cream in Melasmas.

randomized, double-blind, split-face

A Randomized, Double-Blind, Split-Face Study of Topical Silymarin vs 2% Hydroquinone Cream in Melasmas.

randomized, double-blind, split-face

… and efficacy of niosomal and conventional tranexamic acid/niacinamide vs. hydroquinone creams in melasma: A randomized, double-blind, case-controlled clinical …

randomized, double-blind
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