The levels of DEHP were in some cases up to 250 times higher than the permitted value of 0.1% by weight.
DEHP may damage fertility and the development of an embryo, fetus or child.
The substance has been banned in toys in Sweden since the late 1990s – but is still used in some parts of the world as a cheap way to make plastic soft, according to the Swedish Chemicals Agency.
Labubu dolls have quickly become highly sought after – which has led to a large influx of cheap pirated copies from countries outside the EU.
The Swedish Customs have also warned that the fake copies could be harmful to health. So far this year, customs have stopped more than 5,300 dolls.
Some pirated Labubu dolls sold in Europe have also failed to meet safety requirements and have broken when tested by authorities, according to the Swedish Consumer Agency.
