Ingredient
Tripeptide-1
GHK
Glycyl-L-histidyl-L-lysine
Copper peptide precursor
What it is
A naturally occurring tripeptide (glycine-histidine-lysine) used in skincare for its signalling and conditioning effects.
How it works
Acts as a signalling peptide that supports collagen production and skin repair processes, often in copper-complexed form.
What it does
Skin conditioning
Concerns to know
-
Well tolerated
No significant safety concern is reported for this ingredient as used in cosmetics.