2023 · BEST OVERALL: Sawyer Products 20% Picaridin Insect Repellent BEST BANG FOR THE BUCK: Repel Plant-Based Insect Repellent BEST NATURAL: Murphy’s Naturals Insect Repellent BEST FOR KIDS: Off!. EPA approval EPA-approved repellents have undergone extensive safety and efficacy testing and can be trusted. 20% picaridin Most of our recommendations use a 20% concentration of picaridin, which.