Calecim's parent company, CellResearchCorp, is a leader in stem cell research and has patented its stem cell knowledge for treating skin and wounds. All Calecim products contain PTT-6®, a protein-rich formula of nutrients extracted from cord lining stem cells. Carefully created in CellResearchCorp.'s Singapore labs, this formula allows the renewal properties from cord lining stem cells to rejuvenate the skin.