Johnson & Johnson Band-Aid® Brand of First Aid Products Tough Pads® help prevent scab formation. They're made with Compeed® Moisture Seal® technology, which helps form a gel cushion over the wound to cover and cushion painful nerve endings, and protect the wound from being bumped and reinjured. Stays in place for over 24 hours. 100% waterproof & sweatproof. Minimizes appearances of scars. Great for use on feet, elbows, and knees.