Ingredient glossary
N-Acetyl Glucosamine
On your shelf ✓What N-Acetyl Glucosamine does for your skin, who it suits, and what to watch for.
INCI: N-Acetyl Glucosamine · Also: NAG
In short: N-Acetyl Glucosamine delivers brightening and barrier support, suits dry and sensitive skin best, and the evidence behind it is strong.
- What it does
- Brightening, barrier support
- Best for
- Dry, Sensitive skin
- Evidence
- Strong
The molecule
The Glow take
One of the ingredients I trust most.
When your goal is fading dark spots and evening out tone, N-Acetyl Glucosamine delivers, and the research properly backs it up. It tends to suit dry skin best.
— Maya
What it does
- brightening
- barrier support
- hydration
strong evidenceDouble blind split face and full face trials using two percent NAG alone or with four percent niacinamide show significant reductions in hyperpigmented spot area and more even melanin distribution with added hydration and fine line improvement.
On a label: usually effective at 2%.
Who it's for, and who should skip it
Tends to suit
- pigmentation
- postinflammatory hyperpigmentation
- photoaged
- dry
- sensitive
Approach with care
No specific group flagged to avoid it.
- Clogs poresLow
- Irritation riskLow
How it fits each skin type
- DrySuits
- CombinationNeutral
- OilyNeutral
- SensitiveSuits
Often chosen for pigmentation, postinflammatory hyperpigmentation, photoaged.
Where it fits in your routine
Plays well with
- niacinamide
- vitamin c
- ceramides
N-Acetyl Glucosamine, answered
Is N-Acetyl Glucosamine safe during pregnancy?
Yes. N-Acetyl Glucosamine is considered safe to use during pregnancy and breastfeeding. As with anything, if you are unsure it is worth a quick word with your doctor or midwife.
Who should avoid N-Acetyl Glucosamine?
No specific group is flagged to avoid N-Acetyl Glucosamine. It is well tolerated by most skin. Still, introduce anything new one product at a time.
What concentration of N-Acetyl Glucosamine actually works?
N-Acetyl Glucosamine tends to be effective at around 2%. Much lower and it is likely underdosed.
Compare N-Acetyl Glucosamine with
Can you mix N-Acetyl Glucosamine with
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