What it is
Tripeptide-3 is a short peptide composed of three amino acids that is formulated into cosmetics as a skin-conditioning ingredient. It is generally present at low levels and is often paired with other peptides in serums, creams, and peptide-focused sunscreens. As a small water-soluble peptide it contributes to the conditioning of the skin surface.
Safety & warnings
Tripeptide-3 is used at low concentrations and is generally well tolerated, with a low expected potential for irritation.
Origin & sourcing
Synthetic; it is produced by peptide synthesis to a defined three-amino-acid sequence.
Questions everyone asks
What does tripeptide-3 do in skincare?
It serves as a skin-conditioning peptide, typically used at low levels alongside other peptides in serums, creams, and some sunscreens.
Is tripeptide-3 a UV filter?
No. It is a conditioning peptide and does not provide UV protection.