SODIUM ACETYLGLUTAMINOYL FARNESYLCYSTEINE is graded A (Safe) by Expert·ING, based on COSING regulatory data.

SODIUM ACETYLGLUTAMINOYL FARNESYLCYSTEINE

Safety grade: A

This is a lab-created amino acid derivative that combines glutamine (a building block of protein) with farnesyl (a plant-derived component) and cysteine (another amino acid). It's designed to help skin retain moisture and feel smoother.

This ingredient acts as a humectant to draw moisture into the skin and provides conditioning benefits that help improve skin texture and hydration.

Graded using: COSING.

Last verified: May 26, 2026