Telehealth can streamline parts of aesthetic practice — including, in some places, good-faith-exam models — but it's one of the areas where "it works elsewhere" is the most dangerous assumption an owner can make. The rules are state-specific, in flux, and under active scrutiny, which means telehealth makes some things easier and some things non-compliant, and which is which depends entirely on where you operate.
This is general education for owners, not legal advice. Telehealth rules are state-specific; confirm yours with counsel and your medical director.