"Doesn't work." star star_border star_border star_border star_border If it makes you feel more confident and you are scared of spiders, then this spray may help. It certainly didn't stop spiders coming into my home despite liberal applications. In the end, I got used to the spiders. Dawn - 23 November 2020 support_agent A note from the team We can advise that rain and humidity can wash it away, but we're sorry it didn't work.