pmc6073405 ghk cu 7% GHK-CU ACCELERANT Copper Peptides: The New Skin
Description
Combined nicotinamide N-methyltransferase inhibition and lean-diet substitution reduces body weight and liver fat in obese mice

Stanley TL, et al

Can I combine this with microneedling for better results

No, its the standard and recommended diluent for most research peptides intended for multi-use
There is not enough evidence to answer that
LPT are proven stable over time
