I’ve been looking into light therapy (red and blue light) and also laser therapy (Diode, Pulsed Dye, LHE, Isolaz) for a while now. It’s a bleak picture for light therapy, and just downright confusing when it comes to laser therapy. New Light and Laser pages here.
Light: My gut tells me it doesn’t do much. Yes, that’s just a gut read, but it seems backed up by some of the science. Even the British Journal of Dermatology states, “our review found only limited or no benefit is given by light therapies alone.”
Laser: I have a bit more confidence in laser therapy, albeit tenuous. I don’t think it works well enough to make it worth it, since there are less painful, easier ways to get the job done more effectively. Plus, the research just isn’t there showing whether it works. But, I have my fingers crossed for the future of laser therapy. I’m hoping we can find a way to specifically target sebaceous (oil) glands with lasers and cook ’em good. If we can heavily damage sebaceous glands and reduce their output of sebum (oil), that would potentially be pretty amazing.