Photodynamic therapy In Minneapolis, MN is a medical treatment for skin problems like rosacea, scars and acne. Sadly, several individuals do not pay attention to their skin until visible scars, acne and pimples erupt on the skin, making it feel not just painful but unsightly as well. Lotions and creams can provide temporary relief, but does not treat the underlying cause of the problem. Photodynamic therapy for skin is a technology utilized in dermatology which uses ultra violet and infra red light methods to cure skin ailments as stated above. These treatments are not only effective, but also provide long lasting relief.