AbstractBackground: Striae distensae (SD) are characterized by the formation of linear scars in regions of dermal injury. Numerous therapeutic approaches have been employed, encompassing topical treatment, ultrasound, laser therapy, microdermabrasion and radiofrequency (RF)
Objective: The objective of this investigation was to assess the safety, tolerance and effectiveness of microfocused ultrasound (MFU) as a treatment for seborrheic dermatitis (SD), both without and with the concurrent administration of a topical gold thioethyle amine hyaluronic acid (HA) serum.