Body order is usually due to your body trying to get rid of poisons (that accumulate every day) . Normally is done via urine and bowel movements. However when you body produces much more that it can eliminate via the normal channels ... it starts to use other passage ways ... such as your skin.
The body is trying to survive at all costs.
You need to cleanse .. could start with short fasting segments, slowly graduate to longer period. If you go too fast you may release too many toxins at one time... this could be hazardous.
Then cleans your liver, there is plenty of info on this site about liver cleanse.
Drink plenty of water. Eat raw foods as much as possible. Never eat at least 4 hours before going to sleep. Your liver needs to cleanse your blood.