Peptide Graded

Nonapeptide-1

Is Nonapeptide-1 legal in the US?

No prescription; it is a cosmetic ingredient.

CAnimal and cell studiesCosmetic ingredientas of 2026-10-26

Nonapeptide-1 is a cosmetic ingredient. Cosmetic ingredients do not go through FDA drug approval, and no nonapeptide-1 product is approved as a drug for any use. 2

As a cosmetic ingredient, it is regulated but not approved. The FDA can act against unsafe or mislabeled cosmetics after they are on sale. It does not review ingredients beforehand. A brightening product that claimed to treat a disease would be a drug and would need approval. 2

Read the full Nonapeptide-1 page

More on Nonapeptide-1

Citations

  1. Chen 2022, Adv Dermatol Allergol: effects of tea polyphenols on UVA-induced melanogenesis via inhibition of the alpha-MSH to MC1R pathway doi.org
  2. FDA: how cosmetics are not FDA-approved but are FDA-regulated fda.gov
  3. MedChemExpress: nonapeptide-1 data sheet (supplier receptor and cell data) file.medchemexpress.com

Reference information only, not medical advice. Drawn from the Nonapeptide-1 article, fact-checked against the cited sources. No dosing anywhere on this site.