can i use ghk cu with retinol Why You Shouldn't Mix GHK-Cu AHA, BHA, or If you're using a -Cu (Copper Peptide) in your skincare routine, layering it with strong actives like AHA, BHA, or retinol may Transform Your Skin: GHK-Cu &
Description
Yes but with restrictions
One characteristic frequently evaluated in research is its stability under acidic conditions , which distinguishes it from many short-chain peptides and supports its use in controlled experimental environments
For long-term storage of unopened vials, the freezer is fine (up to 3 years), but once liquid hits that powder, the fridge is its only home

The first case allows us to test variations in fibril growth by attachment of DRI peptides instead of L-peptides
