Dermatological treatments and systems employing cooling, topicals, and/or abrasion

A method of delivering a skin cooling treatment to an area of skin of a patient, the method comprising:

• receiving a card within a card reader of a cooling treatment system, the cooling treatment system comprising a display, a chiller located in a housing, a handpiece flexibly coupled to the housing and comprising a cooler configured to cool a cold plate of the handpiece, wherein the cold plate comprises:
• a distal protrusion;
• an at least partially conical camming surface extending proximally and radially away from a proximal end of the distal protrusion;
• a retention depression connecting to a proximal end of the camming surface;
• and
• a plurality of axial grooves located around a perimeter of a junction of the proximal end of the camming surface and the retention depression;
• identifying treatment instructions stored on the card, the treatment instructions comprising at least one temperature profile identifying a plurality of temperatures and an associated time for maintaining each of the plurality of temperatures;
• launching a graphical user interface (GUI) corresponding to the identified treatment instructions;
• identifying a step in a plurality of steps in the identified treatment instructions, each of the plurality of steps associated with a treatment;
• controlling the GUI to guide the user through performing user actions of the step in the identified treatment instructions;
• setting a temperature of the cold plate to a first temperature of the temperature profile;
• and
• controlling the GUI to display a countdown timer upon receipt of an indication of initiation of delivery of the treatment of the identified step.