can you overdose on ghk cu PSA: Albeit rare Copper peptide "uglies" are real and scary. Case report and looking for advices : r/30PlusSkinCare The Effect of the Human
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& Cuckow, P

Any solution of 0.3% copper peptide or higher should be bright blue

Another tests an old drug that shows promise

Its sterile formulation and preservative content make it a practical choice for reconstituting lyophilised compounds and maintaining solution integrity when handled appropriately

Begin with every other day (or only 2-3x per week) and work up to daily applications