The Skin Lightening website brings you another skin-care article...
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Here is a list of commonly found ingredients in skin bleaching or skin lightening products:
Kojic Acid is a by-product of manufacturing sake, a Japanese rice wine. It is used as a natural alternative to hydroquinone, but has been shown to irritate some people’s skin.
Alpha-Arbutin is an advanced, highly effective naturally derived synthetic lightening compound, suitable for most skin types.
Arbutin or Beta Arbutin is also known as ‘Bearberry Extract’ (from the Uva Ursi plant) and is up to 10 times less effective than Alpha Arbutin. Arbutin / Beta Arbutin is a cheap extract to manufacture and been shown to irritate some people’s skin. This ingredient is common in lots of cosmetic brands.
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Mercury is a basic chemical element. In cosmetics, it was used as a preservative and a skin whitener. Mercury is highly toxic to humans and can cause cancer and many other nasties. It is strongly advised that you completely avoid any cosmetic product containing mercury.