RF skin tightening can be done on any skin type and color. Microneedling should not be done on patients on blood thinners, with active acne or skin cancer on the face, or who are pregnant or breastfeeding. RF skin tightening should not be done on patients with a pacemaker or implantable cardioverter defibrillator, a metal implant that interferes with transmission of energy, an embedded electronic device that sends or receives a signal pregnant or breastfeeding, or an allergy to gold or corn. Both procedures should not be done on patients that have taken Accutane in the last 6 months, have open lesions, or have a current Herpes Simplex outbreak.Tattoos may interfere with RF skin tightening treatment, depending on the area.