PDT is a form of phototherapy or light therapy and is becoming more popular as an acne treatment, particularly in severe cases that do not respond to other treatments. Photodynamic therapy (PDT) may also be effective for other skin conditions, such as sun-damaged skin, precancerous cells, and skin infection. A review of more than 70 studies suggests that PDT for acne produces favorable results, especially for people who do not respond well to topical or oral treatments. Mechanism of photodynamic therapy Photodynamic therapy consists of 3 components namely., a photosensitizer, a light source, and oxygen.
Photosensitizers are topically applied solutions that cause certain types of abnormal cells to produce light-absorbing molecules called porphyrins. This change allows the light treatment to target the abnormal cells that are contributing to the acne. After applying a topical…
