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K. Wade Foster, MD, PhD; Edgar F. Fincher, MD, PhD; Ronald L. Moy, MD

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

The latest technological advance in the field of fractional lasers is demonstrated in a novel fractional device: Affirm with Multiplex technology (Cynosure, Westford, Massachusetts), a combination Nd:YAG laser emitting 1320- and 1440-nm wavelengths in sequential 3-millisecond pulses composed of 1000 microbeams per 10-mm spot. The 1440-nm wavelength exerts a resurfacing effect and acts more superficially, targeting rhytids and pigmentation. The 1320-nm wavelength targets deeper tissues, stimulating neocollagenesis and thereby improving skin laxity.

In all patients, treatment with this device results in circular erythematous patches that uniformly dissipate within 24 to 48 hours without accompanying edema or desquamation. However, we have observed that the treatment zone erythema can be reproduced by a hot shower after its previous complete disappearance. The existence of this "recall" phenomenon was confirmed by the manufacturer (Marina Kamenakis, e-mail communication, October 2007), who . . . [Full Text of this Article]

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