Brightening ·
Acetyl Glucosamine
What is it?
N-Acetyl Glucosamine (NAG) is a stable amino-sugar derivative of glucosamine, used in skincare formulations aimed at uneven skin tone for its studied effect on the pigmentation pathway.
What does it do?
In a randomized, double-blind, placebo-controlled split-face trial, 2% topical N-Acetyl Glucosamine reduced the appearance of facial hyperpigmentation over 8 weeks, with a greater effect when combined with 4% niacinamide.
How to use
Typically formulated at around 2%, often combined with niacinamide.
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Sources
This page provides general skincare information and is not medical advice, diagnosis or treatment. Ingredient interactions and evidence summaries reflect published, cited sources — not a personal assessment of your skin. For medical skin conditions, rashes, pregnancy/lactation questions or persistent concerns, please consult a licensed dermatologist or HPCSA-registered practitioner.