N-Acetyl Glucosamine + Niacinamide

Efficacy

Outcome				Grade		Effect		Evidence		Studies
Hyperpigmentation				B		🠫 Slight		★★★ Fair		1 study 188 participants

Mechanisms

Outcome				Grade		Effect		Evidence		Studies
Melanin				B		🠫 Slight		★★★ Fair		1 study 188 participants

Latest Research

Reduction in the appearance of facial hyperpigmentation after use of moisturizers with a combination of topical niacinamide and N-acetyl glucosamine: results of a randomized, double-blind, vehicle-controlled trial (2010)