Sawyer Premium Insect Repellent with 20% Picaridin - Picaridin is a promising new insecticide; its effect is similar to DEET, yet it is safer on gear and equipment than Deet. At 20%, this long lasting topical insect repellent is effective up to 8 hours against mosquitoes, ticks, biting flies, gnats, chiggers and fleas. Picaridin is more effective at repelling biting flies than Deet. Our 20% Picaridin is virtually odorless; It has a mild citrus scent added to it which quickly evaporates away. Will not harm gear or equipment and safe for sensitive skin! 4 oz. bottleSafe on synthetic fabrics and fishing lineWorks on all biting insectsLasts up to 8 hrs.Odorless after a few minutes