Phototherapy with visible light, specifically blue light, has been shown to improve skin condition in cases of acne and blemishes.4 It is further reported to control the condition before an outbreak occurs. This blue light therapy is clinically shown to control acne without harsh chemicals or prescriptions and improves the skin’s appearance.
... It is noninvasive and designed for self-care use. This treatment is drug free without any form of unfavorable side effects. It does not cause redness, flakiness, or dry skin.