The blue lights are used to improve acne and prevent breakouts by killing the acne-causing bacteria.
Also, blue light penetrates deep to [treat] cystic acne,” says Nazarian.
Is blue light harmful to skin?
Long-term exposure to concentrated blue light energy can cause skin damage, including color changes, inflammation, and weakening of the skin’s surface. Simply put, blue light promotes stressors in skin that cause photo-aging; that is, aging from exposure to light.
What does blue light do for your face?
Blue light has a frequency that can kill P. acnes bacteria and treat acne. According to the American Academy of Dermatology, light therapies “show great promise in treating acne,” with many people experiencing a significant improvement in their skin health after a number of sessions.
What is the blue light treatment for skin cancer?
Aminolevulinic acid is a drug that’s put right on the skin. It’s used to treat actinic keratosis (AK), a skin condition that can become cancer, and is used only on the face or scalp. A special blue light, rather than laser light, is used to activate this drug.
Why does blue light kill bacteria?
Blue Light Phototherapy Kills Antibiotic-Resistant Bacteria, According to New Studies. Blue light has proven to have powerful bacteria-killing ability in the laboratory. The potent antibacterial effects of irradiation using light in the blue spectra have now also been demonstrated in human and animal tissues.
Photo in the article by “Wikimedia Commons”