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1. Wash with gentle soap and then gently with baking powder (sodium bicarbonate) Pat dry.
2. Apply thin coat of tea tree oil
3. Apply thin layer of coconut oil.
4. Paint effected area with thin coat of zinc paste. (I used one that also contained castor oil, was made for babies and had no added scent.
Cover effected areas to prevent touching anything. Is it contagious? Maybe. Clean everything In your household, using bleach when possible.
Those four steps are the heart of this treatment. I also took turmeric with pepper during treatment, but am not certain that is essential. (1 tsp w/ pepper 3x daily during active phase; tapered to 1 tsp / day during "99.9%" sure it is gone phase ( the extra week)
The first time I tried this, all blistering was gone in 10 days. Furthermore, at step 2 or 3 above, the itching stops, so you will be comfortable.
Good luck.