Jungle Formula Very Strong Biocide by Jungle Formula is a mosquito repellent that contains 50% DEET and plant extracts, for maximum and lasting protection. Protects and moisturizes the skin with a simple gesture. This product is not only effective against mosquitoes, it also takes care of the skin. For use in areas with high risk of malaria and other insect-borne diseases. 9 hours of protection against the most common mosquito species, with a single application. For some species of tropical mosquitoes, the protection time can be much shorter: 4 hours of average protection against the yellow fever mosquito (Aedes aegypti) and 8 hours against the malaria mosquito (Anopheles stephensi). It is advisable to apply carefully on clean and dry exposed skin. If necessary, reapply the product. This product is biocidal, use with caution. Always read the label and product information before use.