The wavelength of blue light has an antimicrobial effect, making it effective at killing several types of bacteria that can collect in your pores and oil glands and cause breakouts.
In one study, people with acne who were treated for five weeks with blue light therapy saw improvement in 77 percent of cases .
Does blue light acne treatment work?
UV light clears up acne, but it can also damage the skin and cause cancer. Today, doctors don’t use UV light to treat acne. Instead, they use certain wavelengths of blue or red light. Blue and red light therapy kills acne-causing bacteria without damaging the skin.
How long does it take for blue light to work on acne?
None experienced any harmful effects. In another study, 33 people with mild to moderate facial acne self-administered blue light application twice daily for 8 weeks, along with certain skincare products.
Can blue light therapy make acne worse?
However, about one in five people will see no benefit from four weeks of treatment and may even see their acne worsen in severity. The results of one study suggest blue light therapy should be avoided in severe forms of acne because it was observed to worsen patients’ acne after starting treatment.
Does blue light therapy help varicose veins?
Pulsed Light Therapy for Varicose Veins. Pulsed light therapy delivers a concentrated pulse of light to the varicose vein, generating heat and damaging the walls of the vein. The vein shrinks and disappears. Surrounding tissue is not harmed during the treatment.
Can blue light damage skin?
Long-term blue light exposure to concentrated sources of 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 skin?
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.