Solutions
Photodynamic therapy (PDT) is a blue light treatment used for acne. It combines a photosensitising agent applied to the skin with light exposure. A doctor will assess your acne, previous treatments and skin condition to determine whether this approach is suitable for you.
PDT Blue Light Therapy operates through a dual mechanism:
A photosensitizing agent, usually a topical solution like aminolevulinic acid (ALA), is applied to the skin. This agent is preferentially absorbed by the overactive sebaceous glands and acne-causing bacteria (Propionibacterium acnes).
The treated area is then exposed to blue light, typically in the wavelength range of 405-420 nanometers. The blue light activates the photosensitising agent, leading to the production of reactive oxygen species that destroy the bacteria and reduce sebaceous gland activity. This process helps in diminishing existing acne lesions and preventing future breakouts.
Significantly decreases the number of inflammatory acne lesions.
This avoids the need for systemic medications that can have broader side effects.
Directly targets acne-causing bacteria and overactive sebaceous glands.
Most patients can resume their normal activities immediately after treatment.
A thorough skin evaluation by a doctor to determine if PDT Blue Light Therapy is suitable for the patient’s type and severity of acne.
The treatment area is cleansed to remove any oils, makeup, or impurities.
A photosensitising agent is applied to the skin and allowed to incubate for a specified period, usually between 30 minutes to 2 hours, depending on the treatment plan.
The patient’s skin is exposed to blue light for about 15-30 minutes. Protective eyewear is worn during this step to safeguard against potential light sensitivity.
Protect your skin from direct sunlight and use sunscreen to prevent further pigmentation.
Use mild cleansers and avoid harsh scrubs or abrasive skincare products.
Mild to moderate erythema and edema are common but typically resolve within a few hours to days.
Increased sensitivity to light for a few days post-treatment.
Some patients may notice dryness or peeling of the skin.
