Drinking water, however, is not the cure-all for pimples. Hydrating helps your skin self-moisturize and cleanses your cells of built-up waste, but It does not directly affect your oil production. For many, over-production of oil is the main cause of their acne. To combat excess oil, treatment is necessary.
How long does waxing last? It varies for different people depending on their natural hair growth. After the first wax treatment most people will have re-growth after 3 weeks. This period will extend up to 8 week with consecutive treatments. Some people will find they can go for more than 2 months in between treatments.
You have to keep retwisting your hair through out the process. Some  people use beez wax others use Gel or Creams that specialize for  the locking purpose. It take about 8 months to complete the  process; in some cases it also depends on your hair texture.