CIT Pen treatments should be avoided in the following cases:Keloid or raised scarringPregnancy (proceed with Dr. approval)History of Herpes Simplex infectionsDiabetesAny facial injections within the past 10 daysPatients on any blood thinnersCollagen vascular diseases or cardiac abnormalitiesActive bacterial or fungal infectionImmune-suppression diseasesScars less than 6 months oldRaised moles, warts or raised lesionsNodular or Pustular RosaceaEczema, Psoriasis, Scleroderma and other chronic skin conditionsTreatment cannot be performed if the following is present: Any open cuts, wounds, abrasions, and active acne or cold sores.