About Acne


Blue Light Photodynamic Therapy Illuminator
Model 4170

Welcome to DUSA » For Patients » Acne » BLU-U® Treatment » Questions and Answers

BLU-U® Blue Light Frequently Asked Questions


How do I find a BLU-U provider? 

You may access our database of PDT providers to find a dermatologist in your area offering BLU-U light therapy.

Is the BLU-U a laser? 

The BLU-U is not a laser. The BLU-U delivers fluorescent light scattered over a larger area. It also does not emit UV light.

How long is a BLU-U light therapy session?

The doctor will prescribe the most appropriate time frame for your acne, but typical sessions last roughly 17 minutes.

Who performs the BLU-U light therapy procedure?

A qualified healthcare professional is required to perform the procedure.


Important Risk Information
The BLU-U is generally indicated to treat dermatological conditions. The BLU-U is specifically indicated to treat moderate inflammatory acne vulgaris. When using the BLU-U for acne, do not use this device with photosensitizing drugs. During light treatment patients and medical personnel should be provided with blue blocking protective eyewear as specified in the BLU-U Operating Manual.

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