Some references describe broader ranges like ~15 mg/day depending on the goal and tolerance
density improvement at 4 to 6 months Best for: Androgenetic alopecia, thinning hair, miniaturized follicles A Phase II clinical trial (human, 6 months) found that 72% of male participants saw greater than 20% hair density increase using a 0.5% GHK-Cu lotion
2 For hair, this means the copper delivers benefit argument and the copper can cause oxidative stress caution are two faces of the same chemistry, and which one dominates depends on formulation, concentration, and context another reason blanket claims about copper peptides growing hair are premature
Baeshen MN, Al-Hejin AM, Bora RS, Ahmed MM, Ramadan HA, Saini KS, et al
The normal daily hair loss seems to decrease
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