Skin-conditioning and protecting antioxidant.
There is research showing that copper is effective for wound healing and for antiaging due to its inhibitory effect on matrix metalloproteinases and stimulation of fibroblasts that build healthy collagen.
Cellular and Molecular Life Sciences, March 2010, Epublication
Connective Tissue Research, January 2010
Archives of Dermatologic Research, April 2009, pages 301–306
Biomedical Research on Trace Elements, 2005, volume 16, number 4, pages 302–305