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ghk-cu peptide tolerance or loss of effectiveness Hair Growth Guide: Protocols & Results for Canadians ghk-cu tolerance desensitization loss of
Description
The mechanism is proposed to involve G-protein coupled receptor signaling, but definitive identification of the functional receptor has not been published
Copper taste in the mouth (potential copper accumulation, though rare at standard doses)

Methodological limitations apply, but human data exists

TRIUMPH-4: 8.8% at 9 mg, 20.9% at 12 mg
