Pepti-Acne Acne affects 50 million Americans annually. Estimates state that at least 85% of individuals experience some form of breakout between the ages of 12-24. There are five primary contributors to the acneic condition. Last Update: May 11, 2019 October 27, 2018 2532Technical DocumentsRelated Knowledge Base Posts -LED & Light TherapiesVitamin A: Retinoids and CarotenoidsRejuvenator or Retinol