It is safe to wear even if it is tanned, and the foam will keep it Use it for walking back or daily care to kill bacteria, fungus, and viruses that can cause skin problems on nails, paws, and feet. Patented technology formula: Biotrol formula. Utilizes anti-microbial technology for powerful disinfecting power. It has the power to stop bacteria, but is harmless to humans, pets, and plants. Biotrol is also used in hospitals, food factories, farms, and other sites where safety and sanitary environments are most needed. [How to use] Use it for walking or daily care. (You can also use it to clean your ears) Take an appropriate amount of foam and make it familiar with your pets feet. Then, lightly wipe with a towel. Pet odor is bacteria (bacteria). Eliminate bacteria to control pet odor. Biotrol formula keeps skin and hair fresher for longer after drying. Alcohol and chlorine free, safe for pets and the natural environment. It can be used in a variety of occasions, such as cage, sofa, floor, car and so on.