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Skin Cooling After Laser Treatments Could Boost Hyperpigmentation Risk
Posted: September 19, 2007
page 2 of 2Hyperpigmentation in the patients was assessed before treatment and one, two, three, four and 12 weeks after treatment.
Of the 21 patients who completed the study, 13 (62 percent) developed hyperpigmentation on the cooled side of the face, five (24 percent) developed the condition on the uncooled side, one patient (five percent) developed it on both sides of the face, and two (10 percent) did not have any hyperpigmentation.
The cooled sides were also three times more likely to develop hyperpigmentation than the uncooled sides, the authors said. Most cases developed two weeks after treatment. All but one of the cases were completely resolved 12 weeks after treatment.
The study was published in the September issue of the journal Archives of Dermatology.
HealthDay News, September 18, 2007