Skin Didn't Respond to PDT for Back Acne
- Asked by 2287anon in canada
- 3 years ago
I recently underwent PDT with Levulan (60 min) and Blu-U (9 mins) for back acne. Why does my skin not feel burned or appear red?
Need a longer incubation time
I think you need a longer incubation time (ie let the product sit on your back for longer) as well as possibly more time under the blue light.
Web reference: http://www.gbkderm.com
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