Silica, also called silicon dioxide, and Hydrated Silica are minerals. The only difference between the two ingredients is that Hydrated Silica is bound to water molecules. Both ingredients are used in a wide variety of cosmetics and personal care products.
Links to FDA Code of Federal Regulations for Silica (silicon dioxide)
http://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfCFR/CFRS...
http://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRS...
http://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfCFR/CFRS...
Silica and Hydrated Silica may be used in cosmetics and personal care products marketed in Europe according to the general provisions of the Cosmetics Directive of the European Union.
Link to the EU Cosmetics Directive: http://ec.europa.eu/enterprise/cosmetics/html/consolidated_d...
