CO2 laser resurfacing of facial rhytides and acne scars can be a very safe procedure by an experienced laser operator. However, careful patient selection, thorough patient instruction, and proper aesthetic analysis of treatment sites must be followed to insure the most favorable outcomes with CO2 laser resurfacing.

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A CO2 laser system with a scanning beam can effectively and safely improve or remove glabellar, perioral, and periorbital rhytides.

This study suggests that dynamic cooling can dramatically diminish pain during PWS treatment with the 585-nm PDL without reducing treatment efficacy. The absence of epidermal damage in most patients suggests that precooling with the DCD may allow the use of higher laser fluences to expedite clearance without inducing epidermal change. Dynamic cooling has potential use with other lasers and different lesions where discomfort and epidermal effects limit therapy.