Cosmetic grade black iron oxide pigment.
This oxide will product a lovely natural black colour in clear soap.
In white/opaque soap this colourant will produce a pastel effect.
This is a 97.0-100.0% pure synthetic red iron oxide. It is made under laboratory conditions and so contains no heavy metals or hazardous materials.
MP/CP/HP Soap: Yes
Washes/Liquid Soaps: Yes
Bath Bombs: Yes (we recommend the use of polysorbate 80).
Common chemical names: Red Iron Oxide
Hazard classification*: Not hazardous
Solubility (in water): Insoluble
Storage: Room temperature in an airtight container/bag
Use By: 1 year from date of purchase
Country of Origin: China
*According to directive 67/548/EEC & Directive 1999/45/EC, Regulation (EC) No. 1272/2008(CLP).