It's about time - a DEET-free insect repellent that really works! 12 hours of protection against mosquitoes & ticks 8 hours of protection from biting insects CDC-recommended 20% Picaridin formula Completely safe on gear Unlike ineffective DEET alternatives, Picaridin is the only formula that consistently shows equal or better performance than DEET in independent, clinical tests. Even better, Natrapel 12-Hour is completely safe on gear and will not melt jackets, fishing line, and other synthetic materials. The 6 oz. continuous spray bottle provides effortless, even application.