Nitty Gritty Aromatherapy Head Lice Kit is for those who are worried about using chemicals, Nitty Gritty Aromatherapy is the natural & perfect companion to the award winning Nit Free comb. It contains 5 aromatherapy oils plus Neem Oil & added wheatgerm for condition & shine. The kit consists of a 150ml bottle of aromatherapy solution together with a double sided plastic fine tooth comb (for those of you who do not purchase the brilliant Nit Free comb) & Facts of Lice. One bottle is sufficient for at least three to six applications.