Photodynamic therapy system is to treat actinic keratoses (rough, scaly patches on the skin, caused by excessive exposure to the sun). Levulan Kerastick for topical solution, 20% which is part of a unique photodynamic therapy system. The Levulan PDT system has been proven effective in clinical testing Eight weeks after treatment.

How does the Levulan PDT system works?

Step 1. The 1st step in the Levulan PDT system is when your dermatologist applies Levulan Kerastick for topical solution, 20% to individual AKs on your skin. This unique solution is an acid that occurs naturally in your body, it makes the AKs more sensitive to light. This application prepares them for step 2 in the Levulan treatment.

Step 2. After waiting 14-18 hours you return to your dermatologist office. The dermatologist then exposes the AKs treated in step 1 to a special blue light. This light then destroys these AKs whether they are precancerous or not.