Department of Zoology, Faculty of Science, Cairo University, Giza, Egypt.
Parasitol Res. 2012 Jan;110(1):273-6. doi: 10.1007/s00436-011-2483-4. Epub 2011 Jun 15.
It is difficult to stop lice propagation just by treating infested heads, since reinfections are possible just a few hours after a successful elimination of all lice from a child's head by application of an active anti-louse product. Therefore, several products have been developed that claim to have a louse repellent activity; however, definite proofs are scarce. The present study involving two louse repellents (Linicin® Preventive Spray, Picksan® NoLice) and three substances (at 10% dilution) known for their general repellency activity shows that there are much more difficulties to repel lice when compared to other insects or even ticks. Thus, it must be feared that several repellents on the market might have used a problematical test system and thus might not be as effective as they claim.
仅仅通过处理受感染的头部来阻止虱子传播是很困难的，因为在成功地应用有效的杀虱产品从孩子头部消除所有虱子后几个小时，就有可能再次感染。因此，已经开发出几种据称具有虱子驱避活性的产品；然而，确切的证据却很少。本研究涉及两种虱子驱避剂（Linicin®预防性喷雾，Picksan®NoLice）和三种物质（10%稀释），已知它们具有一般驱避活性，结果表明，与其他昆虫甚至蜱虫相比，驱避虱子要困难得多。因此，人们必须担心市场上的几种驱避剂可能使用了有问题的测试系统，因此可能不如它们声称的那样有效。
