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Original Article Intense Pulsed Light and Red Light Photo Rejuvenation for Skin Rejuvenation: A Split Face Clinical Trial Hamideh Moravvej1, Mohammad Saeedi2 1Laser Application in Medical Sciences Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran 2Skin Research Center, Department of Dermatology, Shahid Beheshti University of Medical Sciences, Tehran, Iran Abstract: Introduction: Intense pulsed light (IPL) has long been used for skin rejuvenation. Photo rejuvenation with red light (with or without photo sensitizer) is a newer noninvasive way for this purpose; but, until now few comparative studies between these modalities have been performed. The aim of this study was to compare efficacy, adverse effects, and compliance of intense pulsed light rejuvenation and red light photo rejuvenation in a homogeneous group of women. Methods: In this clinical trial, ten female volunteers with Fitzpatrick skin types I, II, and III were enrolled. Patients underwent 6 sessions of IPL rejuvenation at 4-week intervals on one side, and 30 photo rejuvenation sessions (twice a week) with red light on the other side of their face. Improvement of the skin texture and reduction in the wrinkles were determined in two ways. Firstly, by comparing the photographs, and secondly, by measuring the skin elasticity with Reviscometer MPA 9 system, before and after the procedure. Results: Both treatments were associated with improvement in the skin texture and wrinkle depth, but red light was more effective on the nasolabial fold and IPL was more effective on the fine wrinkles. Conclusions: Red light photo rejuvenation without the use of photosensitizer can be a new, effective and safe procedure for rejuvenation. Keywords: IPL; Red Light; Rejuvenation Please cite this article as follows: Moravvej H, saeedi M. Intense Pulsed Light and Red Light Photo Rejuvenation for Skin Rejuvenation; A Split Face Clinical Trial. J Lasers Med Sci.2011;2(2):63-6 *Corresponding Author: Hamideh Morravej M.D; Associate Professor of Dermatology, Laser Application in Medical Sciences Reasearch Center, Shahid Beheshti University of Email:hamideh_moravvej@yahoo.com. Introduction Facial skin rejuvenation remains a hot topic and a very popular elective procedure in cosmetic dermatology. Various types of interventions have been introduced till now and each one has been associated with a different success rate. Intense pulsed light (IPL) has long been used for skin rejuvenation. It has a broad wavelength spectrum (515–1200 nm). Unlike lasers, IPL systems are Medical Sciences, Tehran, Iran. Tel: +98-21-22749221; flash Lamps with non-coherent light (1). Traditional IPL sources have the ‘‘V-shaped’’ energy peak of pulses that could increase the risk of skin burning and post-inflammatory hyper- pigmentation (PIH). New generations of IPL use a higher technology that emits homogenous ‘squared off’ pulses, and makes the device more controllable and safer, especially suitable for darker skins (2).the effect of IPL on skin texture seems to be due to heating the collagen within the dermis or selective Journal of Lasers in Medical Sciences Volume 2 Number 2 Spring 2011 63PDF Image | Pulsed Light Red Light Photo Rejuvenation for Skin Rejuvenation
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