When you dry fast your skin absorbs water in the environment. Therefore you need clean environment for what is outside it is what will get into your system. You need very fresh air around you. Isolation is important because your mind too needs peace.For you to think clearly you have to be away from distractors. The world is full of noise and pollutions. Setting yourself apart is already the beginning of healing process. You need to sit outside with nature not phones, laptops, televisions ie all electronics. You also need to have time with self. Yourself, since some of us don't even know ourselves. We need time with ourselves. Sit down ask questions and answer. Staying away from people too is the other reason you need the isolation. Some people have very negative energy. They drain you with their pessimism. You just have to keep them away. Hide yourself far away in the nature. Listening to the birds chirping, the whistles from the tree leaves. The cool breez...