Known for her ability to quite literally defy aging before cameras and critics, supermodel Christie Brinkley has long claimed to do nothing more than “dabble” with dermatological treatments such as Botox Cosmetic and in-office, noninvasive procedures to keep her youthful complexion beaming and taut. Recently, however, the 63-year-old beauty opened up to People about two new procedures she’s been relying on: Xeomin—a botulinum toxin, which like Botox Cosmetic or Dysport, is used to relax frown lines between the eyebrows—and Ultherapy, an FDA-approved, noninvasive treatment that uses ultrasound technology to tighten skin.

Read more on New Beauty