What is the optimal dosing regimen of GHKCu for topical skincare and woundhealing applications? Can You Start with 100mg of Gck Cu TikTok The GHK Cu pen works. But needles at home were never the answer. We took the same clinically backed copper peptide complex and put it into a serum you can use in 30 seconds, 7% GHK CU ACCELERANT Platinum Skin Care Thermodynamically stable ionic liquid microemulsions pioneer pathways for topical delivery and peptide application ScienceDirect Rejuvenation and Youth with GHK Cu Peptide Treatment Dr. Ahmet zyigit