We looked specifically for the trial behind the erythema-reduction figures circulating online and couldn't find one
Prevalence of hyperhomocysteinemia in healthy Indian doctors
So, lets look at what the science says
View Study [4]"The effect of topical tripeptide-copper complex on healing of ischemic open wounds" Canapp SO, Farese JP, Schultz GS, Gowda S, et al., 2003 Finding: Topical GHK-Cu dramatically accelerated wound healingwounds shrank by 64.5% in the treatment group versus only 28.2% in controls by day 13
The above evidence suggests that either the use of exogenous antioxidants or activation of the in vivo antioxidant enzyme system to eliminate excess ROS in the TME and maintain the balance between ROS and antioxidants can inhibit the T cell exhaustion program, promote the differentiation of memory-like phenotypes, and restore proliferative and effector functions, thereby enhancing anti-tumor immune effects
Enhancing progestin therapy with a glucagon-like peptide-1 agonist for the conservative management of endometrial cancer