Question: do pineapples have a lot of pesticides?
Answer: Pineapple In tests of 360 pineapples, 90% had no detectable pesticide residues — due in part to their thick, inedible skin that provides a natural protective barrier (6, 13). ... Still, the pesticides used to grow pineapple can contaminate water supplies and harm fish, so buying organic encourages eco-friendly farming.