This head lice comb is a natural, non-invasive method designed for all hair types with a double groove bristle design which instantly crushes lice and nits! The stainless-steel teeth in this specialized comb are long and perfectly spaced to trap nits and lice. This stainless-steel comb is corrosion resistant as it made from good quality steel. The comb works great on any length and type of hair. The comb is easily cleaned under tap water, and it won’t rust. This comb has rounded shape bristles and double grooved teeth which allows hair to glide easily between them without painful and unpleasant tugging, pulling or ripping out