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N-Acetyl Glucosamine

What N-Acetyl Glucosamine is & what it does

N-Acetyl Glucosamine is an amino sugar derived from glucose, and a building block of natural skin components such as hyaluronic acid. In skincare it is commonly used as a skin-conditioning and brightening ingredient, often paired with niacinamide to support a more even-looking tone. It is water-soluble and typically used in serums and moisturizers.

What does N-Acetyl Glucosamine do in skincare?

N-Acetyl Glucosamine is commonly used as a skin-conditioning and brightening ingredient and is a building block of hyaluronic acid in the skin. It is often paired with niacinamide to help support a more even-looking tone. It is water-soluble and usually found in serums and moisturizers.

Is N-Acetyl Glucosamine safe for skin?

N-Acetyl Glucosamine is widely used in skincare and is generally considered gentle and well tolerated. It is typically used at modest levels in leave-on products. As with any new ingredient, a patch test is sensible if your skin is reactive.

Is N-Acetyl Glucosamine vegan?

N-Acetyl Glucosamine used in cosmetics is commonly produced through fermentation or synthesis, though some sources are derived from shellfish. Because the origin can vary, the only way to confirm a vegan grade is to check with the brand. Many modern cosmetic versions are plant-based or fermentation-derived.

Sunscreens with N-Acetyl Glucosamine

We rate 64 sunscreens that contain it, showing the top 10 by overall score:

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