Gets rid of nits and lice, is gentle on the scalp. Safe 2-way effectiveness: andiroba, rapeseed, and coconut oil block the respiratory openings of the lice: quassia vinegar attacks the chitin shell of the nits preventing them from hatching. With naturally active ingredients and the finest essential oils. Conditions scalp and hair. Very good tolerability, easy to use, no resistance build-up and no insecticides.