Blue and red light for breakouts
24 adults with acne had alternating blue (415 nm) and red (633 nm) LED light twice a week for four weeks. Inflammatory lesions fell by an average of 77.9%, and non-inflammatory lesions by 34.3%.
Lee SY, You CE, Park MY. Lasers in Surgery and Medicine, 2007; 39(2): 180–188. Read the study ↗







