Van Jones is WRONG, Doucette contends in his 50-minute YouTube video
As a biological signaling molecule, GHK-Cu activates genes associated with tissue repair, collagen production, and regeneration
However, bioavailability through topical application remains limited compared to injectable delivery
Dietary Reference Intakes for Vitamin A, Vitamin K, Arsenic, Boron, Chromium, Copper, Iodine, Iron, Manganese, Molybdenum, Nickel, Silicon, Vanadium, and Zinc
The five-year data shows peak results at year one followed by gradual decline, suggesting a ceiling effect where continued use maintains rather than improves hair density