Everything about Oxybenzone totally explained
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Oxybenzone (
trade names: Eusolex 4360, Escalol 567) is an
organic compound used in
sunscreens. It is a derivative of
benzophenone. It forms colorless crystals that are readily soluble in most organic solvents. A 2008 study by the US Centers for Disease Control and Prevention found the compound to be present in 96.8% of human urine samples analyzed as part of the National
Health and Nutrition Examination Survey.
It is used as an ingredient in sunscreen and other cosmetics because it absorbs UV-A
ultraviolet rays. In the EU products intended for skin protection with 0.5% or more oxybenzone must be labeled "Contains Oxybenzone".
This organic compound has been shown to penetrate into the skin where it acts as a
photosensitizer. This results in an increased production of free radicals under illumination, which makes this substance a
photocarcinogen. Two years after the study this information is now finally reaching the consumers,
but this photocarcinogen can still be found in many sunscreens.
Oxybenzone is a derivative of
benzophenone, which is well known to attack DNA when iluminated. It generates strand breaks and various photoproducts. Already in 1993 the use of oxybenzone had been strongly criticized, based on its similarity to benzophenone.
The photomutagenic properties of these compounds might be a contributing factor to the increased melanoma incidence that has been found in sunscreen users (see
sunscreen controversy).
Further Information
Get more info on 'Oxybenzone'.
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