Photodynamic therapy (PDT) is a treatment that involves light-sensitive medicine and a light source to destroy abnormal cells. It can be used to treat some skin and eye conditions, as well as certain types of cancer. Photodynamic laser therapy use the laser as the light source. The laser has many advantages to be the light source.
Photodynamic laser therapy for ACNE with Laser Removal Picosecond Pen .
photodynamic therapy laser wavelength： The spectral region between 600–1300 nm, from the orange/red region of the visible spectrum into the near infra-red, where there is minimal absorption of light, is often called the “optical window” of tissue