What it is
Nonapeptide-1 is a short synthetic peptide made up of nine amino acid residues, produced by peptide synthesis. It is used in cosmetic formulations as a conditioning agent often included in products oriented toward a brighter, more even-toned appearance. Like other peptides, it is water-soluble and used at low concentrations in the aqueous phase.
Safety & warnings
Short synthetic peptides such as nonapeptide-1 are generally well tolerated at cosmetic use levels. It is water-soluble and not considered comedogenic, and it is not a known fragrance allergen.
Origin & sourcing
Synthetic. It is manufactured by chemically assembling a defined sequence of nine amino acids.
Questions everyone asks
What is nonapeptide-1?
It is a synthetic peptide of nine amino acids, used as a skin-conditioning ingredient in cosmetic formulas.
Is nonapeptide-1 a sunscreen filter?
No. It is a conditioning peptide and does not provide UV protection; that comes from the formula's UV filters.