...It was discovered that a number of the violet (or blue) light visible from the sunlight, within a range of 405 to 420 nanometers, activates the Coproporphyrin III found in the acne-causing bacteria, Propionibacterium acnes. The porphyrin destroys and kills the culprit bacteria as it releases singlet oxygen. An amount of 320 Joules per square centimeter of light in the 405-420 nm range prevents the survival and viability of the bacteria. This portion of the light spectrum, which is outside the sun's ultraviolet spectrum, produces minimal sunburn or tanning....»
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«...There are natural home remedies that do work toward getting rid of old acne scars. Using lemon juice and rose water. This is used at a mixture of half and half, or 50/50 solution. Apply this mixture with a clean cotton swab directly to the old scar tissue left by the acne. It is important that for this to work properly that you leave this on for no less than thirty minutes, then wash off with clean, warm water....»
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