Photodynamic Therapy (PDT)

Photodynamic therapy (PDT) is a therapeutic and cosmetic treatment which uses a topical light-activated drug (photosensitizing drug) and a light source to activate the applied drug. The result is an activated oxygen molecule that can destroy nearby cells.

This technology is currently used to treat precancerous and cancerous cells. It has also been used in the aesthetic medicine arena for the treatment of acne, rosacea, sun damage, fine lines, and increased pigmentation. PDT also has been shown to help decrease the appearance of pores and reduce oil production, thus making it an attractive option in the treatment of acne, The procedure may be performed as an outpatient and does not require an anaesthetic.

For cosmetic treatments there are three relatively straightforward steps involved. First, a light-sensitizing cream, or (photosensitizer) is applied. Next there is an incubation period of time (usually 3 hours). Finally, the target tissue is then exposed to a specific wavelength of light that then activates the photosensitizing medication and the abnormal or cancerous cells are destroyed.

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