Photodynamic Therapy (PDT): ALA Treatment for Acne & AK
Photodynamic Therapy is a two-part treatment, Levulan and Blu-U, that evens the tone, texture and colouring of the whole face. Levulan is a topical solution made of an acid naturally found in the body. It is applied to the skin, which becomes light sensitive. Then, Blu-U Blue Light enhances that photosensitivity. This destroys AK lesions.
This light-activated treatment releases an element that kills the acne bacteria and is absorbed by the oil glands, decreasing their production of oil. PDT also destroys early skin cancer cells. Because of the diffuse nature of AK and acne and early skin cancer cells. This treatment is preferable to other options, such as liquid nitrogen, 5 FU and Aldara, which are applied spot by spot.