Photodynamic therapy in photoaging: literature review

Topical photodynamic therapy (TPT) is a well-established therapeutic modality in the treatment of non-melanoma skin cancer. It is based on light-activated chemical reaction in the presence of oxygen. In recent years, this therapy has been used in cosmiatric dermatology, and studies on the mechanisms of TPT action in dermal remodeling of the photodamaged skin have been reported. This review addresses procedures with different light sources and photosensitizers, as well as clinical and collateral effects of this therapy in the treatment of photoaging