N-Acetyl Glucosamine (NAG) is an amino sugar derived from chitin, commonly used in skincare for its hydrating, brightening, and skin barrier-supporting properties. NAG is a precursor to hyaluronic acid, and it supports healthy skin hydration by helping the skin retain moisture more effectively.
It also helps to promote an even skin tone by inhibiting the synthesis of melanin, making it a valuable ingredient in formulations targeting hyperpigmentation and dark spots. NAG is gentle and well-tolerated, making it suitable for sensitive skin types.
Due to its mild nature, NAG can be used in a wide range of products, including serums, moisturizers, masks, and cleansers.
FEATURES
- Skin hydration – helps improve skin moisture retention for a plump and hydrated appearance.
- Even skin tone – helps to reduce hyperpigmentation and dark spots by inhibiting melanin synthesis.
- Supports skin barrier – promotes skin barrier function, improving overall skin health and resilience.
- Gentle and safe – suitable for sensitive skin and often used in calming and soothing formulations.
BEST FOR
- Brightening serums
- Anti-aging creams
- Hyperpigmentation treatments
- Hydrating masks
- Moisturizers
- Skin barrier repair products
FORMULATION GUIDELINES
| INCI | N-Acetyl Glucosamine |
|---|---|
| Type | Amino sugar, humectant, skin-conditioning agent |
| Solubility | Water soluble |
| Use Rate | 1.0–5.0% typical. 2.0–4.0% is often used for brightening effects and moisture retention. |
| Best Phase | Water phase (dissolve fully before emulsifying or mixing) |
| pH Compatibility | Works best in pH range 4.5–6.0 for optimal stability and skin compatibility. |
| Temperature Tolerance | Stable under normal processing conditions. Add below 40°C to preserve activity. |
| Pro Tip | N-Acetyl Glucosamine can be combined with other brightening agents like alpha-arbutin or niacinamide for enhanced results. When formulating with other actives, consider the pH to ensure stability and efficacy. Ensure that NAG is completely dissolved before mixing into your base to avoid any graininess in the final product. |
| Appearance | White to off-white powder |
| Stability Notes | Stable in a wide range of formulations, but pH should be monitored to ensure optimal efficacy. Avoid exposure to high temperatures. |
| Storage | Store in a cool, dry place, away from light and moisture to preserve stability. |
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Specs: Solubility = Water soluble (limited). pH = 4.0–5.5. Add = Add in cool-down ≤40°C.
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