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No controlled human trial has validated a topical AHK-Cu concentration or schedule
Here's why: B12 helps convert food into cellular energy (via methylation and ATP production), so taking it earlier supports your body's natural circadian rhythm
Quick Reference: Protocol Community-reported AHK-Cu use centers on a topical serum applied to the scalp (for hair interest) or skin (for the copper-peptide skin properties extrapolated from GHK-Cu)
As they get older, you may be able to also give them shots in the arm
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