Now that the sunlight is getting stronger, we are applying photodynamic therapy with daylight again.

Daylight photodynamic therapy (often abbreviated as PDT) is a special technique for the removal of precancerous and superficial forms of skin cancer.

The treatment is based on the principle that a light-sensitive substance is absorbed through the skin with the help of a cream and selectively destroys the malignant or troubled cells in the skin when activated by visible light.