A grapefruit-scented perfume ingredient that's toxic to ticks and mosquitoes is the first new insect repellent to be approved in a decade

Nootkatone is naturally found in grapefruit rinds and certain cedar trees. The chemical shows promise as a defense against ticks and mosquitoes.

A grapefruit-scented perfume ingredient that's toxic to ticks and mosquitoes is the first new insect repellent to be approved in a decade

A grapefruit-scented perfume ingredient that's toxic to ticks and mosquitoes is the first new insect repellent to be approved in a decadeNootkatone is naturally found in grapefruit rinds and certain cedar trees. The chemical shows promise as a defense against ticks and mosquitoes.