KaPOW! Lice Attack Solution defeats all live lice with the first treatment. It contains no pesticides and is safe enough to use on people of all ages (yes, even infants!) How much KaPOW! Lice Attack Solution do you need for 3 treatments? Short hair 1/2 bottle; Shoulder-length 3/4 bottle; Long 1 bottle; Curly/Frizzy 1 1/2 bottles.