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
ALA
Bacteria
Acne
Sebaceous gland
Hair follicle

Epidermis
Dermis
Hypodermis

Light Sources and Dosimetry Techniques for Photodynamic Therapy

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

The effect of laser wavelength in photodynamic therapy and phototherapy for superficial skin diseases

New optional photodynamic therapy laser wavelength for infantile port wine stains: 457 nm

Red and blue light in antitumor photodynamic therapy with chlorin-based photosensitizers: a comparative animal study assisted by optical imaging modalities

Photodynamic Therapy For The Eye