What it is
Heptasodium hexacarboxymethyl dipeptide-12 is a small synthetic peptide derivative in which a dipeptide has been modified with carboxymethyl groups and supplied as a sodium salt. It is water-soluble and used at low concentrations as a skin-conditioning agent. It is found in serums and sunscreens, frequently in formulas aimed at supporting a brighter, more even-looking complexion.
Safety & warnings
As a synthetic peptide salt used at low levels, it is generally regarded as well tolerated and non-sensitizing. It is not a recognized fragrance allergen and is not an oil.
Origin & sourcing
A synthetically manufactured peptide derivative produced by chemical modification and salt formation.
Questions everyone asks
What kind of ingredient is this?
It is a synthetic peptide derivative (a modified dipeptide salt) used in small amounts as a skin-conditioning agent.
Why is it used in sun creams?
It is added as a conditioning peptide, often in formulas marketed toward a brighter, more even-looking complexion, not as a UV filter.