If a therapy was great for acne, then one would leave it alone, market it and make a lot of money- right? Well, in my last article I wrote that intense blue light was as good as garbage. Despite claims by physicians that it works, less than 5% of individuals ever see any benefit. Even individuals who responds to blue light soon develops acne recurrence. Therefore, spending a fortune on blue light therapy is at best considered a waste of money.
Anyway, now blue light therapy for treatment of acne has been modified. At the recent meeting in San Francisco, the skin doctors got together and discussed all the new therapies for acne. The latest is combining intense blue light with a photo sensitizer. A photo sensitizer is simply a chemical that has the ability to attract light. For example if you have a small skin lesion, you apply the photo sensitizer on skin followed by light. The photo sensitizer will attract light only to the painted area and the skin lesion will be destroyed by intense localized heat. Photo sensitizers have been used to destroy various cancers- the results are not always great or reproducible.
In this study, researchers combined blue and red light to treat acne. Only 10 patients with mild to severe acne were followed. The photo sensitizer used was amino levulinic acid (ALA). This chemical was painted on acne lesions one hour prior to light therapy. Then a numbing cream was applied and both red and blue light were used to zap the acne lesion.
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