Delacet Herbal Head Lice Solution Delacet Herbal Head Lice Solution is a natural but effective alternative to chemical head lice treatments that kills both head lice & their eggs (nits) in just 2 hours, with laboratory trials having proven its extraordinary effectiveness after just one application. Used by millions of people in Europe over the last 50 years, Delacet Herbal Head Lice Solution works on all hair types, including coloured, permed, Afro & dreadlocks, & is suitable for adults & children over 6 years. Delacet Herbal Head Lice Solution is easy to apply & to wash out, & does not require detection or prolonged combing. The completely natural, colour & preservative free formula has not been tested on animals & is suitable for vegans. It even has disinfecting & conditioning properties. Delacet Herbal Head Lice Solution keeps for up to 3 years even after opening, so there's less wastage than with other head lice treatments, making it more cost effective, & invaluable to have around.