Narrow-band, high-intensity blue-light therapy is one of the treatments that we can offer for acne.
Blue light works by killing the acne-causing bacteria, P. acnes, and is being used to treat inflammatory acne vulgaris as an alternative or addition to antibiotics. The blue-light products of today do not contain ultraviolet (UV) light, which was a staple of former light therapy used to treat acne. UV light can damage skin and is no longer used to treat acne.
Patients receive blue-light therapy in a program. Generally, eight sessions are given over a four-week period, and each session lasts about 15 minutes. Side effects tend to be mild and include temporary pigment changes, swelling of the treated areas, and dryness. Blue light therapy must be accompanied by appropriate skin care. It is not a treatment on its own.
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