Fractional photothermolysis for the treatment of facial wrinkles - searching for optimal treatment parameters in a randomized study in the split-face design.

Background: Fractionated photothermolysis (FP) is used for the treatment of facial wrinkles.

Objectives: Investigation of effects of different FP treatment parameters in the treatment of facial wrinkles.

Patients And Methods: In a randomized split-face controlled study 11 patients received 3 FP sessions in 4-week intervals.