Prevents lice infestation by creating an undesirable environment for insects, as well as a protective shield on the hair, which prevents nits from attaching Its composition is based on tea tree oil, lemon essential oil, propolis extract and hyaluronic acid that protect the hair. It is gentle on the scalp, leaving hair soft and shiny, without any traces of grease. Can be used by adults and children over 2 years old Paraben-free