Photodynamic Therapy

Photodynamic Therapy & BLU-U® Acne Treatment

Photodynamic therapy and BLU-U® treatments are light based therapies for a number of skin concerns, including precancerous skin lesions, acne, and overall skin rejuvenation. Concept Medical is pleased to offer photodynamic therapy for both medical and cosmetic concerns in Ottawa.

Photodynamic therapy (PDT) at Concept Medical in Ottawa uses the combination of prescription topical gel and a special blue light (BLU-U®) to treat various skin conditions. PDT treatments remove sun damaged precancerous areas and spots called actinic keratoses and can help decrease acne. Once applied to the skin, the topical gel is absorbed by abnormal skin cells. The application of the BLU-U® causes these abnormal cells to be eliminated by the body. BLU-U® may also be used alone to help kill the acne-causing bacteria known as P. acnes.

PDT starts by applying a special topical medical gel to the skin. This clear, colourless liquid is absorbed into the skin for 30-60 minutes. The second step involves exposing the skin to a specific wavelength of blue light to “activate” the gel. The exposure time to the gel and to the activating light are customized for each patient. Total treatment time is approximately an hour, and no anesthetic or numbing cream is required. For acne, the BLU-U® light will often be used alone, without any topical gel . BLU-U® treatment for acne takes only minutes.

Photodynamic therapy in Ottawa is primarily used to treat actinic keratosis, or early precancerous cells. Sun damagefine lines, and blotchy pigmentation have also been noted to respond to this treatment. Furthermore, there have been observations suggesting that PDT can reduce pore size, improve acne, and soften the appearance of some acne scars.

A minimum of three treatments approximately four weeks apart is the most common protocol for PDT at Concept Medical in Ottawa. However, photodynamic therapy treatments are tailored to each patient’s specific condition. BLU-U® treatments for acne are generally performed twice per week for 4-8 weeks.

If BLU-U® is used for acne, patients often have no redness, downtime, or discomfort following treatment. If special gel is applied prior to BLU-U®, the treated areas usually appear slightly pink immediately after treatment. For the next few days, you may notice some exfoliating skin. It is important to minimize sun exposure and wear sunblock and moisturizer following treatment. Make-up may be applied at any time. Patients with acne may notice a slight but transient increase in their acne symptoms after PDT. 

Conditions Treated

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