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Expert Commentary & Five-year View
With expanding knowledge of light-tissue interaction, there has been exciting progress in the development of new light sources in addition to the modification of current laser technology for dermatologic indications. Practitioners of laser therapy continue to explore new treatment indications for existing technology, such as treating PWSs with alexandrite laser and hidradenitis suppurativa with Nd:YAG laser.
Additional work dedicated to improving the efficacy of selectively targeting different structural components of skin are ongoing. The addition of heat extraction in cryolipolysis opens the door for selectively targeting cellular populations, in addition to fat, that are thermally sensitive. Moreover, the immediate wide acceptance of fractional photothermolysis for cutaneous remodeling heralds a new understanding of skin's ability to regenerate after injury. Further studies will focus on utilizing the regeneration of skin after fractional thermal injury to remodel damaged skin, such as burn scar.
