What Are Peptides in Skincare? The Family, Not the Promise
Short chains of amino acids, sold under many trade names, usually for the look of firmer, smoother skin.
On the label
Anything ending in peptide, often with a number: palmitoyl tripeptide 1, acetyl hexapeptide 8, copper peptides.
What it does not mean
It does not mean the same as PDRN or collagen, though all three are sold to the same customer with similar words.