Before You Go Outdoors Ticks live in moist and humid environments, particularly in or near wooded or grassy areas. Walk in the center of trails and avoid leaf litter or shrubs. Products containing permethrin kill ticks, which can be used to treat boots, clothing and camping gear and remains protective through several washings. Use repellent containing 20% or more DEET on skin, which can protect up to several hours. Apply to children, avoiding the hands, eyes, and mouth. For detailed information about using DEET on children, see recommendations from the American Academy of Pediatrics. After You Come Indoors Bathe or shower as soon as possible.(preferably within two hours) to find ticks that may be on you and wash them off. Conduct a full-body tick check for all parts of your body. Children should be checked under the arms, in and around the ears, inside the belly button, behind the knees, between the legs, around the waist, and especially in their hair. ...