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Article: Laser treatment.(TREATMENT)
- Article from:
- Journal of Drugs in Dermatology
- Article date:
- July 1, 2004
CopyrightCOPYRIGHT 2004 Journal of Drugs in Dermatology, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Dr. Robins: How is the laser used with acne?
Dr. Shalita: Blue light, a visible light of 410-420 nm, activates the porphyrins in P. acnes. They have an action spectrum at a higher wavelength too, but the peak activity is there. We found first that blue light reduces the bacteria. Since then, clinical trials around the world have shown that it is about as effective as topical antibiotics, maybe a little bit more so. In patients who have tried everything else, it's useful, because they're looking for another form of therapy. On the other hand, it's a pain in the neck having to do 15-minute treatments twice a week. It's now claimed that you can do 20-25 minutes with ...