Luster dusts are used for cake decorating and are generally considered ‘nontoxic’. Recently, they were found to have elevated levels of?
On October 29, 2021, the MMWR reported that between 2018-2019, Rhode Island Department of Health and Missouri Department of Health investigated cases of metal poisonings associated with both commerically and home-prepared cakes decorated with luster dust. Luster dust products were found to have high levels of copper, lead and other heavy metals.
Viveiros B, Caron G, Barkley J, et al. Cake Decorating Luster Dust Associated with Toxic Metal Poisonings — Rhode Island and Missouri, 2018–2019. MMWR Morb Mortal Wkly Rep 2021;70:1501–1504. DOI: http://dx.doi.org/10.15585/mmwr.mm7043a2