downloadable software for messaging; software as a medical device (SaMD), downloadable, for the diagnosis and treatment of hair loss, for use in diagnosing and treating scalp and hair growth conditions, for use in diagnosing and treating a variety of skin conditions, for use in diagnosing and treating alopecia, and for use in performing skin tensioning and hair transplantation procedures; downloadable computer software to enable searching of data; downloadable computer software to enable the ...