She survives because, as well as the bottle of agricultural fertiliser she swallowed, she drank one of washing-up liquid, thinking that any chemical in a bottle was poison.

Handwashing my clothes in a sink of cold water, using laundry liquid made by boiling up nuts on my rocket stove, can take two hours, instead of half an hour using a washing machine.

Dispersants cut the oil as washing-up liquid cuts the grease on dishes, allowing oil on the surface to spread down into the water.