copper peptide ghk-cu hair growth randomized trial Serum with Copper Tripeptide-1 – Dual Peptide Scalp Treatment plus Licorice Root Extract : Beauty & Personal Care With consistent use GHK-Cu for Hair Growth: Protocols
Description
This breaks down to approximately: 1.7mg GHK-Cu 0.33mg BPC-157 0.33mg TB-500 Use a 0.3ml (30-unit) insulin syringe for greater measurement precision at these low volumes

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This could indeed imply risk of anhedonia loss of enjoyment in things
Drugs Today (Barc)

In the same 3 mL it is only ~3,333 mcg/mL (1 unit 33.3 mcg), so the same milligram doses need roughly double the units : 250 mcg 8 units and 500 mcg 15 units

Felt fine all that day
