Role of lasers in facial rejuvenation.

Different types of lasers with different mechanisms of action are available today for the facial rejuvenation. Sometimes it is difficult for the practitioner to decide which laser to use for what indication. Detailed knowledge about the pathogenesis of skin ageing and the mechanism of action of each available laser is mandatory for the appropriate diagnosis and management of patients seeking facial rejuvenation. This review article is addressing the mechanisms of skin ageing, the three main laser modalities; the non-ablative laser rejuvenation, the Laser resurfacing as well as the fractional photothermolysis lasers with their indications and modes of actions.