Photodynamic Therapy for Acne | Sanova Dermatology
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Photodynamic Therapy for Acne

Photodynamic therapy (PDT) is an effective light-based treatment that treats and prevents acne.

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What is PDT for acne?

PDT is a revolutionary treatment for acne, including blackheads, white heads, and cystic acne. It's often used in cases of moderate to severe acne, or acne that's been treatment-resistant.


This light-based treatment has been shown to affect both acne-causing oil glands as well as the bacteria that contributes to the development of acne.


PDT has the ability to:


  • Treat active pimples and comedones
  • Decrease the frequency of acne breakouts
  • Improve the tone and texture of the skin while
  • Soften the appearance of acne scars

What to expect during PDT for acne?

After the skin is thoroughly cleansed, a special photosensitizing solution called 5-aminolevulinic acid (ALA, or Levulan) is applied to the affected areas of the skin and allowed to soak in, or incubate, for anywhere from 30 minutes to a few hours.


Sometimes, plastic wrap or heat is placed over the skin to make the solution work better. During this time, the solution is absorbed into the pores and acne glands. The skin is then exposed to a blue light (BLU-U) that activates the solution deep in the acne glands.


Once activated, the solution works by shrinking the acne glands and decreasing oil production in the skin. It also kills the bacteria that can contribute to the development of acne lesions.


Interested in learning more about PDT for acne? Schedule a consultation with one of our board-certified dermatologists.

PHOTODYNAMIC THERAPY FOR ACNE CAN HELP WITH THESE CONDITIONS:

Yes, PDT is often combined with other acne treatments, such as topical creams and antibiotic pills.

PDT is most often used in cases of moderate to severe acne, treatment-resistant acne, or when Accutane or other oral treatments are not an option.

Patients typically require 1-3 treatment sessions, performed anywhere from 2-4 weeks apart, to achieve maximum results.

PDT often leaves the skin red and scaly for a few days after treatment, similar to the reaction you get with sunburn. The skin remains sensitive to light for 48 hours after the treatment, so be sure to wear sunscreen and protect your skin from excessive sun exposure during this time period.

Some patients do report minimal discomfort during PDT treatments. Topical anesthesia can be applied to make the treatments more comfortable.

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