Lyclear Extra Strong Shampoo 200ml Kills head lice and eggs Up to 100% effective 10 Minutes +72 hours protection Gentle on hair and skin Treat & protect Lyclear Extra Strong Treat & Protect Shampoo has been proven to be up to 100% effective against head lice & eggs in 10 minutes and helps protect from possible reinfestations. Lyclear Extra Strong Treat & Protect Shampoo's formula not only suffocates but also dehydrates head lice and eggs. In addition, it's convenient to use as it washes the hair at the same time. Its LPF technology help to avoid reinfestation for up to 72 hours. Due to its mechanical action head lice are less likely to develop resistance to Lyclear Extra Strong Treat & Protect Shampoo.