Studies have shown that Vitamin B1 metabolizes in the Studies have shown that Vitamin B1 metabolizes in the body to reduce human odours attractive to insects. The Don't Bite Me! Patch is a revolutionary, new product that provides an alternative to traditional insect repellent. The Don't Bite Me! Patch combines an old remedy with new technology to make an outstanding product! Only natural ingredients go into our topical patch which lasts for up to 36 hours. Now you can simply put on a patch, not messy sprays and lotions. Whether you are swimming, camping, golfing, gardening, hunting, fishing or watching an outdoor sporting event, you can now enjoy your time outdoors, not dread it!