ahk-cu raw powder Copper Peptide 5g AHK-Cu Copper Peptide Powder 1g
Description
However, more human studies are needed to confirm these findings (7)

10.1038/s41598-018-26956-7 87 LiuM.LiL.ChuJ.ZhuB.ZhangQ.YinX.et al (2015)

The 4 mm needle is long enough to traverse the skin and reach the subcutaneous tissue with minimal risk of intramuscular or intradermal penetration

For the DHT mechanism deep dive, see does GHK-Cu block DHT
