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A crystalline boron silicate mineral, often used in cosmetics for its purported ability to emit far-infrared radiation and negative ions, which some believe can enhance skin vitality and radiance. It can also be used as a pigment or abrasive.
Beneficial for
May aggravate
Safety summary
Generally considered safe in cosmetic applications.
CAS Number
1317-93-7
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.