Diatomaceous Earth [ DE ] is made of the diatoms of crushed sea fossils. The sharp edges of this powder are abrasive and pierce the exoskeleton of the insects which causes them to die through desiccation which means they dry out through dehydration.
Use in dry areas for best effect
Use in areas where woodlice are seen or into cracks and crevices where woodlice live and hide
500g of this chemical free dust will cover the edges of an average sized room for effective woodlice eradication