Hi guys
So for scientific research which Ghk-cu topical serum would turn out to show the best results percentage wise? Most of them online is only 1% but one is 4% that i found. For instance “The ordinary copper peptide” which has 1%, and then I found one with 4% what are most optimal for skin research for best results and is recommended?
Best regards
Hi guys
So I’m about to buy some serum GHK-cu and I’m really not sure which percentage to buy, most are one percent for instance “The ordinary copper peptide” which has 1%, and then I found one with 4% what are you guys opinion on the percentage and which one is the best and would you recommend me take?
Best regards
Hi guys
So I’m about to buy some serum GHK-cu and I’m really not sure which percentage to buy, most are one percent for instance “The ordinary copper peptide” which has 1%, and then I found one with 4% what are you guys opinion on the percentage and which one is the best and would you recommend me take?
Best regards