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Basics
Blue light therapy is one of the newer types of treatment available for acne. The main focus of the blue light is to kill the bacteria p.acnes.

How it works
P. acnes releases porphyrins, which are naturally occurring molecules in the body. When porphyrins absorb certain wavelengths of light, chemicals are produced which destroy the bacteria. Porphyrins absorb light best in the blue wavelength range and it is this type of light that can be used in treating acne.

Types of blue light therapy
The main system that uses blue light is the ClearLight system.

Potential side effects
One of the advantages of this type of therap is that there are virtually no side effects.

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