Go natural with All Terrain At Kids Herbal Armr Val Sz (1x8 OZ). DEET-Free Herbal Armor? Insect Repellents use six natural repelling oils in over 25% concentration. They have been proven 100% effective for two hours and 95.8% for three. Allergy tested, and proven non-irritating, the Herbal Armor? repellents are good for kids and those with sensitive skin. The time-released encapsulation helps make them sweat resistant for active lifestyles. . (Note: Description is informational only. Please read the ingredient label on the product for more information and always consult your health professional with any questions prior to use.)