It is a modern therapy used for the treatment of actinic keratoses, which are precancerous lesions caused by excess sun exposure, in addition to some types of basal cell carcinoma, which is the most common skin cancer. In some cases it promotes skin rejuvenation and acne treatment, in addition to treating countless other skin diseases.
The technique consists in the application of a cream in the region to be treated, for a time that varies from 30 minutes to 3 hours, followed by the application of a light that activates the cream. Activation of the cream produces a reaction in cancer cells, destroying tumors and precancerous lesions.
Photodynamic therapy can be used throughout the body, but the most treated areas are the face, scalp, neck, arms and upper trunk. It is a safe method with aesthetically superior results to surgeries and other conventional methods of treating skin cancer.