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An inorganic salt used in cosmetics as a skin conditioning agent and sometimes as an antimicrobial. It's also known for its medicinal uses.
Beneficial for
Safety summary
Generally safe in cosmetic concentrations. High concentrations or ingestion can be problematic.
CAS Number
7681-11-0
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.