ghk cu mechanism for hair growth GHK-Cu Growth: Before and After Results and Dosage Copper Peptides for Hair Growth:
Description
Many people notice changes in energy or clarity within a few days to a couple of weeks

Proc Natl Acad Sci USA 86: 90159019

This suggests that additional sessions may produce further improvement, though the law of diminishing returns likely applies
Pharmacogenetics of responses to alcohol and genes that influence alcohol drinking
