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Photodynamic Blue Light Therapy
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If you’re struggling with persistent acne and want to avoid antibiotics or harsh medications, Photodynamic Blue Light Therapy offers a targeted solution. This light-based treatment uses a photosensitizing agent and blue light to eliminate acne-causing bacteria and reduce oil production at the source.
Westchester Center for Dermatology offers blue light therapy in Westchester, NY, as an advanced, non-invasive treatment option for acne patients seeking lasting results without systemic medication.
What Is Photodynamic Blue Light Therapy?
Photodynamic Blue Light Therapy, also called PDT, is a non-invasive acne treatment that combines a topical photosensitizing solution with specific wavelengths of blue light. Once applied, the solution absorbs into the skin and is activated by the light, which destroys acne bacteria and shrinks overactive oil glands.
This treatment improves inflammatory and non-inflammatory acne, including blackheads, whiteheads, and cysts. It also helps reduce redness and improves overall skin clarity. Patients seeking photodynamic therapy for acne or light-based acne therapy often choose PDT when topical or oral medications are not effective or well tolerated.
Who Is a Candidate for PDT?
PDT is ideal for individuals with moderate to severe acne, including patients who have not responded well to topical creams or oral antibiotics. It’s also a good option for those looking for a non-antibiotic acne treatment that offers clinical results without the side effects of long-term medication use. Teenagers and adults with active breakouts, oily skin, or acne-prone complexions may benefit from this approach.
Your provider will evaluate your skin type, acne severity, and medical history to determine if PDT treatment in Westchester is right for you.
What Happens During the Procedure?
The skin is first cleansed to remove oil and debris. A topical photosensitizing solution, such as aminolevulinic acid (ALA), is then applied to the affected areas and incubated for 30-60 minutes. After absorption, a blue light source is directed onto the skin for approximately 15-20 minutes.
This light activates the solution, destroying acne bacteria and reducing oil gland activity. Most patients report a mild warming or tingling sensation during light exposure. The entire process is performed in-office, and patients can return home immediately after the session.
What to Expect After the Procedure
Following treatment, the skin may appear red and feel sensitive for one to two days. Some patients experience peeling or dryness for several days after the procedure. Direct sunlight must be avoided for at least 48 hours, as the skin is temporarily more sensitive to UV light. Sunscreen should be used as instructed.
Improvement is usually seen within a few days, with breakouts decreasing over the following weeks. A series of treatments may be recommended for optimal results, especially for those with more severe or resistant acne.
Benefits of Photodynamic Blue Light Therapy
Photodynamic Blue Light Therapy reduces acne-causing bacteria, minimizes oil production, and helps prevent future breakouts. Unlike medications, PDT works externally, avoiding internal side effects. It treats active acne and helps improve skin texture and tone. Many patients report clearer, less oily skin and fewer breakouts following their treatment series.
Cost of PDT Acne Treatment in Westchester
The cost of treatment varies depending on the number of sessions needed and the treatment area; multiple sessions may be recommended for sustained improvement. We’ll discuss your treatment plan during your consultation and provide a full cost breakdown.
Why Choose Westchester Center for Dermatology?
Board-certified dermatologist Dr. David Kriegel, a recognized acne and cosmetic skin treatment expert, leads the Westchester Center for Dermatology. In 2024, Dr. Kriegel was named one of New York’s top doctors by his peers, a distinction published in New York Super Doctors and featured in the May 4, 2025 issue of The New York Times Sunday Magazine.
Our practice offers advanced, physician-supervised treatments emphasizing safety, results, and patient education. Patients choose us for Westchester photodynamic dermatology services backed by clinical experience and a commitment to individualized care.
Frequently Asked Questions
Most patients benefit from two to four treatments spaced several weeks apart. The number of sessions depends on the severity of the acne and the skin's response.
Yes. Blue light therapy is safe and well tolerated when performed under medical supervision. Side effects are mild and typically resolve within a few days.
Discomfort is minimal. Patients may feel warmth or tingling during light exposure but do not require anesthesia or numbing.
Yes. PDT can be used alongside topical products, chemical peels, or maintenance regimens to support clear skin. Your provider will customize a plan for your needs.
With proper skincare and occasional maintenance treatments, many patients experience long-term acne reduction after completing a PDT series.
Achieve Clearer, Healthier Skin
If you’re ready to treat acne with a non-invasive, medication-free solution, schedule your consultation for Photodynamic Blue Light Therapy at Westchester Center for Dermatology.
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“I have nothing but glowing reviews for Westchester Center for Dermatology. The entire staff was very attentive and the customer service was excellent. My appointment was with Holly H. Morris and I highly recommend her. She was professional, knowledgeable and addressed all of my concerns. I left with a peace of mind and look forward to returning to see her in the future. Top notch dermatology center!”
