Cosmetic ingredient (INCI)
Tetrapeptide-138
Used in cosmetic products as hair conditioning, humectant and skin conditioning, miscellaneous. Tetrapeptide-138 is the synthetic peptide consisting of arginine, glutamine, leucine and tryptophan.
The chemical behind this ingredient
Structure, properties, safety data and price information live on the chemical page.
This ingredient is not linked to a single chemical in our database, which is common for blends, extracts and polymers. Post a buy request with the INCI name and suppliers will quote.
Frequently asked questions
What is Tetrapeptide-138 used for in cosmetics?
Tetrapeptide-138 is used in cosmetic products as hair conditioning, humectant and skin conditioning, miscellaneous. Tetrapeptide-138 is the synthetic peptide consisting of arginine, glutamine, leucine and tryptophan.
Is Tetrapeptide-138 restricted in cosmetics in the EU?
No EU restriction annex is recorded for Tetrapeptide-138 in our records. Rules change and differ by market, so always check the current regulation before you formulate.