Can you use Copper peptides (GHK-Cu) with BHA (salicylic acid)?
Separate — AM / PMEvidence · Commonly advised
As with other exfoliating acids, the low pH is commonly cited as a reason to keep BHA and copper peptides in separate routines.
Commonly advised: Frequently recommended by formulators; direct evidence can be limited.
In practice: use one in the morning and the other in the evening.
Copper peptides (GHK-Cu)
INCI · Copper Tripeptide-1
A copper-bound tripeptide used in serums for the look of firmness and a more even tone.
Read the reference →BHA (salicylic acid)
INCI · Salicylic Acid
A beta-hydroxy acid that exfoliates inside pores for a clearer-looking complexion.
All pairings →Cosmetic layering guidance for the look and feel of your routine — not medical advice. Patch-test new combinations.