Aesthetic medicine is a broad term that applies to any specialty that involves the process of modifying a patient's physical appearance. Either to enhance a person's face and body, or decrease the risk of certain types of diseases including obesity.

https://www.docdoc.com/medical-information/specialties/aesthetics-doctors

Also, kindly check:

https://www.mckinsey.com/industries/life-sciences/our-insights/from-extreme-to-mainstream-the-future-of-aesthetics-injectables

https://www.theaestheticguide.com/aesthetic-guide/regenerative-revolution-vision-future-aesthetic-medicine

And kindly check:

https://www.acquisitionaesthetics.co.uk/is-aesthetics-the-future-of-cosmetic-medicine/