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A member asked:
Blue light acne treatment? what is it? is it expensive?
A doctor has provided 1 answer
Many uses: Blue light (and red light) is a part of a treatment called photodynamic therapy. It uses light and a topical chemical (aminolevulenic acid, ala) to treat many conditions. Acne is just one. Ala soaks into the skin and the light activates is. "bad cells" or acne related bacteria are then selectively destroyed by the light activation. Beyond that i would discuss with a dermatologist.
Answered 9/28/2016
5.9k views
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Does light therapy(mixed blue and red light)work to clear acne? Thank you
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