Google it for a more detailed description. There are many very long articles on it out there and I am just giving you a link to a short-and-sweet one here: http://www.detox.org/dryskin.html
Go to Whole Foods or a natural health store and get a good natural veg fiber brush like this... http://store.nationalsupplementcenter.com/726434120311.html
DO IT EVERYDAY! It may be uncomfortable at first but please dont give up, the more you use your brush the softer it gets and the more you do it the more your body will crave the feeling, say, 2 weeks after beginning...it will feel great to you then!
MASSAGE - massages that rub towards the heart also push out the gunk in the lymph system