Menthyl PCA

Updated June 7, 2026

[1R-(1.alpha.,2.beta.,5.alpha.)]-2-Isopropyl-5-methylcyclohexyl 5-oxo-L-prolinate / [1R-(1.alpha.,2.beta.,5.alpha.)]-2-Isopropyl-5-methylcyclohexyl 5-oxo-D-prolinate

Purpose

Functions: Humectant, Skin Conditioning. We have not yet rated this ingredient because we have not had a chance to review the research on it.

Rating

NOT RATED