😳 Dark Past of Retin-A or Tretinoin . Our story begins with Dr. Albert Kligman - father of Retin-A, miracle drug for acne-plagued teens everywhere. His groundbreaking dermatology research brought him fame and glory. But his methods hid a dark secret. . Kligman tested his treatments not on willing volunteers but on Black inmates at Holmesburg Prison, intentionally exposing them to infections without consent. His ends justified the unethical means. . Years later, Dr. Adewole Adamson uncovered thi