METHYL TRYPTOPHANATE HCL is graded A (Safe) by Expert·ING, based on COSING regulatory data.

METHYL TRYPTOPHANATE HCL

Safety grade: A

This is a laboratory-created compound derived from tryptophan, an amino acid that your body naturally produces. It's designed to improve hair health and appearance by nourishing and strengthening hair strands.

This ingredient conditions and protects hair by moisturizing and smoothing the hair shaft, helping to reduce frizz and improve overall hair manageability and shine.

Graded using: COSING.

Last verified: May 26, 2026