Caregen Expands U.S. Retail Presence Through Partnership with 2San Caregen has partnered with U.S. healthcare distribution company 2San to expand its peptide based wellness products across the U.S. consumer retail market. Beginning Peptides for Plastic Surgery: Weight Loss, Skin, Healing & Recovery GHK Copper Peptide GHK Cu Tripeptide 1 Advanced GHK Cu Neck & Face Serum Premium Quality Neurogan Health GHK Cu is not Botox. It does not freeze a single muscle. It works because it works at the matrix level. GHK Cu stimulates collagen and glycosaminoglycan synthesis, modulates the matrix metalloproteinases that govern Frontiers Exploring the beneficial effects of GHK Cu on an experimental model of colitis and the underlying mechanisms