Blue Light Therapy

What Is Blue Light Therapy?

Blue light is a popular therapy used for treating acne. Blue light kills off bacteria on the skin and in the oil glands that cause acne. Certain bacteria such as propionibacterium acnes, or P acnes, are particularly susceptible to blue light. Blue light is used in tandem with infrared heat that causes the oil glands to shrink in size, as well. By decreasing the presence of bacteria, blue light is able to reduce the inflammation associated with acne. Several treatments can make blemishes disappear and return skin to a healthier state. It can also work to eliminate irregular growths and lesions on the skin.

Conditions Treated by Blue Light

Blue light is used most commonly to treat some forms of acne, as well as sun damage and either malignant or premalignant cancer growths in the skin. Results with blue light acne therapy are typically visible within two weeks to a month. As the therapy heightens the sensitivity of the skin, it is important that anyone undergoing blue light therapy does not touch or scratch the affected areas in between or after treatments.

Related Conditions

Acne Treatment

Acne is a condition of the skin that results in pimples, whiteheads and blackheads. Learn More

Actinic Keratosis

Actinic keratosis, sometimes referred to as AK, is a precancerous growth on the skin. Learn More

Allergic Contact Dermatitis

Allergic contact dermatitis, sometimes referred to as just contact dermatitis, is a red, itchy rash on the skin. Learn More

Eczema Treatment

Atopic dermatitis, often referred to as eczema, is a common skin condition that appears most often in children, though it can occur in individuals of any age. Learn More

Psoriasis Treatment

Psoriasis is a skin disorder in which the cells of the skin multiply much faster than normal. Learn More


Vitiligo is a condition of the skin in which the skin loses its melanocytes, or pigment cells, in certain areas. Learn More

Other Treatments

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