Pro-Sil is a patented medical grade silicone applicator for scar therapy from Biodermis. It is the world's first FDA cleared and only patented silicone scar treatment stick! It comes in different forms, Pro-Sil original, Pro-Sil SPF-15 protection and Pro-Sil kids Biodermis from USA has been around for more than 25 years and is represented in over 55 countries. They have revolutionized the scar management industry by introducing silicone gel technology to dermatologists and plastic surgeons world-wide. FDA, ISO, GMP and CE certified. Instructions: Clean and dry the scar site before each application. Apply Pro-Sil liberally over the entire scar. Repeat several times daily for 8-12 weeks or until scar stops responding. To remove, wipe off with a clean cloth or tissue. Recommended storage conditions are 55F - 95F (13C-35C). The overall optimal period of use is usually 8 to 12 weeks.