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INCI: HEPAR SULFURIS CALCAREUM (CALCIUM SULFIDE) 24X
An inorganic compound, rarely used in cosmetics, but historically noted for certain properties.
No specific concern data available
Safety summary
Can be irritating to skin and mucous membranes; generally not recommended for leave-on products.
1% line marker
This ingredient is commonly used as a marker to identify where ingredients drop below 1% concentration on the label.
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.