1)  Drink lots of water.
2)  Exfoliate your skin at least once a week and the morning of your event.
3)  Have your brows shaped and keep them trimmed. 
4)  Avoid the following items as they can give you oily skin and swelling:
         * Alcohol
         * Caffeine
         * Red Meat
         * Retin A and Alpha Hydroxy creams (causes skin peeling)
         * Spicy foods
5)  Your face should be makeup product free on that day.  No traces of makeup.
6)  Apply Vaseline or Vitamin E on your lips.
7)  Do not over condition your hair and ensure it is dry. 
8)  Moisturize your face all the way down the neck, chest, and shoulders.
9)  Avoid the sun or apply sun-screen protection on a sunny day.