Even a recent 2026 review concludes the same thing that GHK-Cu appears safe but the evidence is largely preclinical and comprehensive human RCTs are lacking (Wojcieszuk et al., 2026)
The Longevity Protocol (6+ Months) For research centered on anti-aging, long-term wellness, and sustained optimization, extended protocols are becoming more common
There is no one-size-fits-all approach to wellness
Complexion 10 also has a little amount of Selenium that plays a key role to speed up your Metabolism for faster scar recovery and better healthy skin
Increasing growth hormone by significant amounts has been shown in some animal studies to reduce life span by up to 50%, while reducing levels has been shown to boost life span by up to 33%
Finally, hormonal fluctuations can cause larger patches of darkening, often referred to as melasma