What it is
Acetyl glutamine is a derivative of the naturally occurring amino acid glutamine, modified with an acetyl group to improve stability and skin compatibility. It functions as a conditioning agent that helps support skin hydration and a smooth surface feel. It is used at modest levels in moisturizers and sunscreens as a supportive conditioning ingredient.
Safety & warnings
Amino acid derivatives like acetyl glutamine are generally well tolerated and considered low risk for irritation at cosmetic use levels.
Origin & sourcing
Synthetically produced acetylated derivative of the amino acid glutamine.
Questions everyone asks
What is acetyl glutamine derived from?
It is an acetylated form of glutamine, an amino acid, with the acetyl group added to improve stability and skin compatibility.
What does it do in a formula?
It works as a skin-conditioning and humectant ingredient that supports surface hydration and a smooth feel.