Nonablative Skin Tightening with a Variable Depth Heating 1310-nm Wavelength Laser in Combination with Surface Cooling

November 2007 | Volume 6 | Issue 11 | Original Article | 1096 | Copyright © 2007

Macrene Alexiades-Armenakas MD PhD

Abstract

A near-infrared laser with the ability to target different depths within skin has been developed and evaluated for the application of facial and neck skin tightening in a pilot clinical study. The device consists of a combination of a 1310-nm wavelength and sapphire contact cooling. Cooling temperature and laser pulse duration were varied to target different dermal depths in various subgroups of the subject population. Quantitative changes in various categories characterizing the aging skin employing a comprehensive grading scale as well as subject satisfaction were calculated. A mean improvement of 7.9% (95% CI [confidence interval] 3.6-12.3) in laxity and 10.6% (95% CI 5.8-15.4) in rhytides was determined by quantitative grading at one month after the treatment regimen. These values were 11.0% (5.5-16.5) and 11.7% (5.8-17.7) at 3 months after the treatment regimen. The percent of patients reporting mild or better improvement in laxity of the face and neck was 78% and 61% at one month, and 63% and 61% at 3 months, respectively. The discomfort was minimal. Side effects were limited to short-term erythema and edema. In summary, a variable depth heating laser can achieve skin tightening and wrinkle reduction with high subject satisfaction.

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