the fractional erbium laser from “fotona, SP dynamis laser” helps reduce and disappear scars after surgery or following trauma. the treatment must be started as quickly as possible and it allows resurfacing to be carried out. Thanks to repeated laser sessions, healthy tissue can be regenerated, sometimes a simple peeling of superficial scars can regenerate and flatten the scar. scars can be of all types after cesarean section or after thyroid surgery or even breast or gallbladder surgery. Facial scars caused by knife attacks must be treated globally using techniques such as PRP, mesotherapy or peeling. dermarollers are useful in the treatment of stretch marks in parallel with fractional laser sessions.