care science fast-healing waterproof hydrocolloid gel pad bandages, xl, 2 in x 3 in, 12 ct | 100% waterproof seal, 2x faster healing, barrier to bacteria, for blisters or wound care care science pad absorbs small amounts of wound exudate which might cause a white appearance. moist wound environment facilitates the healing process & helps minimize the appearance of scars. the hydrocolloid pad within this product has been shown to heal minor cuts, scrapes, abrasions, lacerations, blisters and scalds up to 2x faster than a simple dry bandage. journal of athletic training. by cushioning & protecting the wound from friction and rubbing. a white appearance may occur when smart-heal technology is activated.