Taub A. A comparison of intense pulsed light, combination radiofrequency and intense pulsed light, and blue light in photodynamic therapy for acne vulgaris. J Drugs Dermatol. 2007;6:1010-6 pubmed
..ALA-PDT with activation by IPL appears to provide greater, longer-lasting, and more consistent improvement than either RF-IPL or blue light activation in the treatment of moderate to severe acne vulgaris. ..
Taub A. Procedural treatments for acne vulgaris. Dermatol Surg. 2007;33:1005-26 pubmed
..Review of the literature of more up-to-date physical procedures provides a starting point for physicians seeking to treat their acne patients safely and effectively with these new methods. ..