OMG!! When all else failed THIS STUFF WORKED!! AND WORKED FAST!! AND DIDN'T BURN OR STING MY KIDS EYES! THE MOST EFFECTIVE PRODUCT FOR LICE EVER!! I tried the rid... with "some" results.... but it never got completely "rid" of the problem with 6 months of trying, following directions, using the sprays, combs, shampoos, washing in hot water.. everything! This stuff worked in ONE WEEK!! AMAZING!! I ORDER IT FOR ALL MY FRIENDS!!