JoScar silicone adhesive works on Removing the effects of wounds and operations.JoScar silicone adhesive works on: Removing the effects of wounds and operations. Smoothing and flattening scars (old or new). Reducing redness and itching. Breathable. Washable and reusable. Recommended by dermatologists, plastic surgeons, and burn centers. It is not used on open wounds and unhealed skin.