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INCI: COLLOIDAL SILVER
A suspension of microscopic silver particles, historically used for its antimicrobial properties, and sometimes included in cosmetics for its purported purifying and soothing effects.
Beneficial for
Safety summary
Can cause argyria (blue-gray skin discoloration) with prolonged or high-dose internal use. Topical use is generally considered safer, but long-term effects are not fully established.
CAS Number
7440-22-4
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.