http://cuil.org/story.php?title=regenerative-and-protective-activities-of-the-ghk By changing the features of the lung fibroblast, GHK-Cu can alleviate the damages in patients with chronic obstructive pulmonary diseases and restore the elasticity of the lung. GHK-Cu stimulates collagen manufacturing, and assists in tightening the drooped skin, and gives you very regenerated skin. Mon, 17 Mar 2025 12:03:55 UTC en