Yes, there are a few things you need to know before getting your brows done to avoid excessive bleeding and to have the best possible results.
The week leading up to the procedure:

• Avoid heavy sunlight and sunburn 3 days before your procedure
• Do not take Fish Oil, Aspirin, Niacin, Vitamin E and/or Ibuprofren, Omega 3 unless 3 days before the procedure
• Any tweezing or waxing should be done at least 3 days prior to the procedure
• Do not tan on the face 2 weeks prior to the procedure
• No botox 3-4 weeks prior to the procedure
• No facials 2 weeks prior to the procedure.

On the day of the procedure:
• Do not workout
• No makeup on your brows
• No caffeine
• No alcohol 24 hours before and after the procedure
• Ensure you wash your hair before the procedure as you cannot wet your brows for several days after.