TRIMETHYL PHYTOSPHINGOSINE IODIDE is graded A (Safe) by Expert·ING, based on COSING regulatory data.

TRIMETHYL PHYTOSPHINGOSINE IODIDE

Safety grade: A

A plant-derived ingredient that helps strengthen and protect your skin's natural moisture barrier. It works by supporting the skin's lipid layer, which keeps hydration locked in and irritants out. This results in smoother, more resilient-looking skin over time.

Graded using: COSING.

Last verified: June 9, 2026