RELEC INFANTIL +12 MONTHS has a special formula for children, with proven efficacy, offers high protection. Dermatologically tested, without alcohol or dyes. Tested on sensitive skin. Protects against mosquito bites for 6 hours. Tested Efficacy. . With IR3535 at 10%. Ethyl Aminopropionate (IR 3535) is an active substance against a large number of insects. The proven innocuousness of the active ingredient and its good skin tolerance guarantee that the use of this product in children is safe.