Chemicals such as DEET in particular have been evaluated extensively by the EPA. They're well understood and verified as ...

Before 1957, when DEET (aka, the active ingredient in many repellent products) became available to the public, repellents made from natural ingredients were the go-to for avoiding mosquito bites.

Want an itch-free summer? See our edit of the best performing DEET-based sprays to plant-based creams and convenient patches The Standard's journalism is supported by our readers. When you ...