Instruct: Classify an Amazon review into positive or negative sentiment.
Query: Non-toxic is a lie!!! THi almost poisoned my foster cat.

If I could give less than one star, I would. Natural Chemistry De-flea spray for cats says it is natural and safe for cats, but after following the directions, a foster cat had to be taken to the Vet for an allergic reaction, costing over $200. The vet said this is a common occurrence with so called "natural" flea sprays, yet there is NOT a warning anywhere on the bottle. It even claims to be safe for "all cats over 12 weeks," it is Non-toxic, "safe" (that's total crap). I had sprayed the cat at about 10pm, following the directions on the bottle and by 10 am the next morning I had to rush her to the vet because she wasn't responsive, wouldn't eat or drink anything, she was laying outside of her bed with her tongue sticking out a bit. I emailed the company yet they failed to respond to my emails. Please think twice before using this product on your cat.Their website is: [...]