I am constantly asked how can you tell if a skin disorder is caused internally or from exterior attacks.  Here is how I do it and why my trick works. Bob Root - Keys Technologist & Founder The bandage test really works to help find the cause of skin disorders quickly. In our 15 years of research and development, we always keep focused on our mission to solve skin problems using natural remedies. Over the same period, we have seen time and again that most skin disorders are from exposure to chemicals in the environment or…