Buy Calamine Powder USP - Soap Making Supplies
Calamine Powder USP, Safety Data Sheet. Proposition 65 WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov. Uses. Calamine is a mixture of zinc oxide (ZnO) with about 0.5% iron(III) oxide (Fe2O3).