Prior to receiving treatment | have been candid in revealing any condition that may have bearing on this procedure, such as pregnancy (if so consult with your physician pressure prior to treatment) recent recent facial surgery, allergies, tendency to cold sores/fever blisters or use of topical and oral prescription medications such as Trevino in, Retin-A, isotretinoin, Accutane, Differin, Tazorac, Avage, Epiduo or Ziana.