Off! (stylized as OFF!) is an insect repellent brand from S. C. Johnson & Son, produced in Finland. Its active ingredient is DEET (N,N-diethyl-m-toluamide) or metofluthrin which is the most common ingredient in insect repellants.^[1] It was first sold in 1957.^[2]

It is used to avoid mosquito bites by applying the product to the skin or clothing. In Japan and North Korean^{[citation needed]} markets, the product was sold as Skinguard.

The company has since sold its product on the North Korean market for the first time since 1999.^{[citation needed]}