Our pet tongue brush toothbrush set contains silicone. It can be soft and comfortable, gently scrape the substance on the surface of the tongue coating, and keep the pet's mouth fresh and odorless. No gum damage, clean teeth. The method of its use is very simple: 1. Fix the pet's head and open its mouth. 2. Start by gently brushing your teeth with a toothbrush for 30 seconds. 3. Then gently brush your pet's tongue with a tongue brush. Dense silica bristles have a powerful cleaning power to ensure that no stains remain on tooth surfaces and gaps.