12 weeks in, and my skin has NEVER looked better! GHK peptides are doing their thing. Alright, I need to give you an updateit's been 12 weeks since I started using GHK GHK Cu South Africa Buy GHK Cu Protopep Protopep Research Peptides A peptide cycle length is how long you use a peptide before pausing or reassessing. , Too short and you wont see full results. Too long and your body adapts, making it less effective. , Every Powerock Pharma GHK CU 50mg