Snapshot
- Overview
- A moisture-binding amino acid that leaves skin feeling quenched.
- Category
- Hydration, Barrier Support, Skin Conditioning
- Type
- Humectant
Acetyl Glutamine
Acetyl Glutamine is an acetylated form of the amino acid glutamine, used in cosmetics as a water-binding humectant. It attracts moisture and promotes a supple feel, complementing barrier-care formulas, though evidence for it is limited.
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Our take
Is Acetyl Glutamine a Good Ingredient?
This rates Fair: Acts as a humectant with preliminary support, so hydration gains are likely modest and formula-dependent. Risk: may trigger mild irritation in sensitive skin.
What it does
Skin Benefits
Helps skin feel quenched and comfortable, lending a fresher, cushioned look. Evidence is preliminary, so outcomes may be modest.
Where you'll find it
Uses in Skincare & Cosmetics
Common in hydrating serums, toners, and gel moisturizers designed for daily moisture support and resilience against dryness.
Before you use it
Safety
Generally considered low risk in leave-on products, but patch testing is advisable for reactive skin. No specific regulatory limits are commonly cited.
Products with Acetyl Glutamine
