Parties in which coloured powder, often cornstarch, is shot into crowds ... The only way to prevent these disasters is to pre-empt them, say consultants who assess the risks for companies.

Cornstarch is a fine white powder made from the endosperm of corn ... product meets strict manufacturing and testing standards to prevent cross-contamination. For those looking for safe gluten ...

Cornstarch, also called maize starch or corn flour in the U.S., is the starch found in corn grains. It is a fine, white powder made from the endosperm or the starchy part of corn kernels.