Get a professional comb the comb is trash . That's why four stars . I been doing everything washing every day spraying the works . Now after getting this I see progress. After getting rid of the majority. It's like I kept finding more . Everyday combing . Now I see progress get it . Just get a diff comb . That comb might help with the adults but not the small ones . Get the nix comb with grooves on it .

This was the second product I tried on my daughter, because the first one did not work at all. This one was much easier to use and the comb is good for thin hair. I would recommend doing a treatment a second time, a few days apart just in case you missed some the first time.

Daughter came home from school with a case of lice so, naturally, I got it too. The treatment seems effective, but after 4 shampoos (in one shower) my hair was still so oily it looked wet. I resorted to Original Blue Dawn dishsoap. "If it can save baby ducks from oil spills, it can save us..." I said as I scrubbed her head for the 3rd time. Lo, and behold, it actually worked.

So, yay for effectiveness, just make sure you have some mega-grease cutting dish soap handy afterwards.

This leaves her hair SO SOFT AND NICE. I dunno what's in it that does that, but it also works really well. My daughter has very thick, shoulder length hair so one little bottle is barely enough.. ... need a larger size option .

My daughter started scratching her head on Sunday. On Monday morning, we found the lice. I had no idea what to do, this was our first ever encounter with lice. Our pediatrician called in a prescription for a lice treatment, but it wasn't in stock. While I was at the pharmacy, I found this (Nix Ultra). Bought 3 bottles (crazy expensive at there compared to Amazon). I didn't even check my other two daughters, but wasn't taking any chances. Treated our entire family that morning. The solution is easy to use. I saturated everyone's heads, rubbed it in really well so that every, single hair and entire scalp was completely covered. Everyone sat with the stuff on their heads for way longer than the directed 10 minutes while I did everyone. Rinsed it off and dead stuff was falling out of Patient Zero's hair while we rinsed. Washed everyone's hair with dish soap (great tip from other reviewers). Used the included combs to section off and comb out everyone's hair. Didn't really see anything else in anyone's hair at that point. Pulled everyone's bedding, clothing, pajamas, coats, and all towels, etc and started a massive, never-ending laundry party. That took ALL DAY and the laundry wasn't even close to being done. Grabbed clean sleeping bags and extra pillows and had everyone find a spot on the floor to sleep- FAR AWAY FROM ONE ANOTHER- in a not-often used area of the house- I wasn't taking any chances of any live lice crawling from their beds back into their hair. Next day, did quick morning head checks (didn't see anything) and continued laundry. Researched (and could've earned a doctorate by the time I was done) lice removal. Ordered terminator lice combs and a large lighted magnifying glass (the magnifying glass is an important tool that not many people mentioned). That night, I went through everyone's hair, practically strand by strand. One daughter had one live louse and several eggs in one spot. I retreated her head with the Nix ultra immediately. Nothing else crawling in anyone else's heads, but some nits and dead things. Everyone had greasy hair, but that took care of the lice. Washed everyone's bedding again. Moved to another location for sleeping again that night. (Not risking any live lice transferring back to heads). The third day, I combed through everyone's hair again, practically strand by strand, and used the magnifying glass (seriously, get a large, lighted magnifying glass). It took HOURS to do everyone's hair, but totally worth the time. Found a few really small nit eggs that would never have been found if not for the magnifying glass. Hopefully, they were all dead. Nothing crawling. Fourth day, everyone appears to be lice free. I can't imagine that I missed anything, but will continue to check every night and do the retreatment in a few days, just in case. I hope that was our first and only-ever encounter with lice. The stuff works, but definitely comb out thoroughly every night, in case anything was missed.