They found it contained a lethal caustic chemical found in a brand of household oven cleaner.

Proposals for this method involve using a caustic chemical to react with carbon dioxide in the air to produce carbonates.

At the anatomical level, fish have neurons known as nociceptors, which detect potential harm, such as high temperatures, intense pressure, and caustic chemicals.

As products contain caustic chemicals, always wear full-arm gloves, goggles and a protective mask.

Previously, wigs had been set with caustic chemicals to form curls, but these recipes were too harsh to use next to human skin.