Nix Ultra Lice Shampoo All-In-One Lice Treatment Kit - 4 fl oz
$19.29
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4.4 out of 5 stars with 292 reviews
quality: 3.52 out of 5
value: 3.55 out of 5
63% would recommend
49 recommendations
4 out of 5 stars
Thumbs up graphic, would recommend
22 August, 2026Verified purchase
Nix got the job done
First, if you need this product, my sympathies - this sucks, but this shall pass. Second, Nix Ultra works. The directions are clear, the product seems gentle for humans but effective on the targets. If all goes well, this is a one and done product because it targets both the lice and the egg/not. Shampoo comes with a comb. does not come with the epic amounts of patience you need for the next week of anxiety, but that would be asking for too much. Third, unfortunately we did need two treatments, either because we missed or we had the Super kind. The second dose has done a good job. Godspeed.
5 out of 5 stars
Thumbs up graphic, would recommend
13 August, 2026Verified purchase
(no review title)
Awesome, worked well
5 out of 5 stars
10 August, 2026Verified purchase
(no review title)
Worked great! Lice were gone with first application.
1 out of 5 stars
Thumbs down graphic, would not recommend
14 June, 2026Verified purchase
Terrible product. Dont waste your money
This item does NOT work! Doesn’t kill the eggs or lice, literally was pulling live ones off my kids head. The comb sucks as well!! I did a treatment on my head as well out of caution and it burned my scalp. Now my hair looks like that one lady from The Breakfast Club with all the dandruff
1 reply from Prestige Consumer Healthcare team - 3 months ago
Thank you for your review! We are sorry to hear that you are unhappy with the results of our product. We would like to chat with you to hear more about your experience with this. Please contact us toll-free at 888-542-3546 or by emailing MedicalAffairs@PrestigeBrands.com. We are available Monday through Friday from 8:30 am to 5:30 pm EST. We hope to hear from you soon.
4 out of 5 stars
28 May, 2026Verified purchase
(no review title)
Worked until they came back. Advertises as one time treatment but def requires at least one additional treatment. Lice stayed away second time when I retreated within a week.
5 out of 5 stars
18 February, 2026
originally posted on influenster.com

Works wonders!
This product works great specially if you have school age children! I buy 2 kits every year as a preventative measure, considering that my son has long hair. It's very convenient and easy to use. I have used it for myself as well when my son caught lice and it does not cause any discomfort when using. The packaging isn't as discrete as I wish it would be tho
1 out of 5 stars
Thumbs down graphic, would not recommend
22 November, 2025Verified purchase
Don't even bother.
3 days later and we have live lice again despite following the directions to a T…
1 reply from Prestige Consumer Healthcare team - 10 months ago
Thank you for your review! We are sorry to hear that you are unhappy with the results of our product. We would like to chat with you to hear more about your experience with this. Please contact us toll-free at 888-542-3546. We are available Monday through Friday from 8:30 am to 5:30 pm EST. We hope to hear from you soon.
5 out of 5 stars
Thumbs up graphic, would recommend
4 November, 2025Verified purchase
(no review title)
Seems to work. Also, there seems to be lots of inaccurate information out there regarding lice. First, I don’t think much of anything “non-toxic” will kill lice eggs/nits so I don’t believe the manufacturer’s claim that this product will take care of an infestation in one treatment *UNLESS* one is also thorough with the lice comb. Perhaps it’ll kill some nits but I assume all dark-looking nits are possibly viable even after treatment. I comb them out if able to avoid them hatching and starting the cycle over again. Once all nits are showing up white/empty, then I can breathe a bit easier. The manufacturer doesn’t specify this. Second, nits can hatch on a scalp over two weeks after they’re laid according to a study I found online. It’s not many that do this but all you need is two—a boy and girl—to start the cycle over again! With all the conflicting/lacking information out there, I choose to believe this and therefore I am treating for 3-4 weeks in addition to combing so long as I keep finding dark nits. I am just not super thorough at combing. This will ensure that all nits hatch and then the “crawler” ones will get killed by the shampoo. Overkill? Maybe. But it worked for my kid (no crawling lice in the comb for two weeks now) and now it’s working for me (no itchiness nor dead ones falling out). But I have dreadlocks and am unable to comb so I have to treat over the next 3-4 weeks to try and just kill crawling ones as they hatch. Ugh. Is this product any better than the other oil-based treatments? Probably not, but it does the job! Best wishes.
1 out of 5 stars
Thumbs down graphic, would not recommend
19 October, 2025
Torn package
Ordered online and picked up Box was torn
1 reply from Prestige Consumer Healthcare team - 11 months ago
Thank you for your review! We are sorry to hear that you are unhappy with the results of our product. We would like to chat with you to hear more about your experience with this. Please contact us toll-free at 888-542-3546. We are available Monday through Friday from 8:30 am to 5:30 pm EST. We hope to hear from you soon.
4 out of 5 stars
Thumbs up graphic, would recommend
11 September, 2025
No more lice
Purchased this and used it with some eucalyptus mixed with olive oil and omg the lice were literally falling off! I combed and all the lice came out I usually put a plastic bag for an hour then comb again. No lice came out. So I will redo this in 5-6 days.
1 out of 5 stars
Thumbs down graphic, would not recommend
12 June, 2025Verified purchase
Does not kill superlice as advertised
Unfortunately, this does not kill superlice as advertised. We watched live adults, past the recommended application time, be unaffected. Despite a significant time investment and much effort, this did not eliminate lice for our family and we wish that we wouldn't have wasted our money on this product.
1 reply from Prestige Consumer Healthcare team - 1 year ago
Thank you for your review! We are sorry to hear that you are unhappy with the results of our product. We would like to chat with you to hear more about your experience with this. Please contact us toll-free at 888-542-3546. We are available Monday through Friday from 8:30 am to 5:30 pm EST. We hope to hear from you soon.
1 out of 5 stars
Thumbs down graphic, would not recommend
6 May, 2025Verified purchase
Terrible
Terrible product. Followed all steps and completed the treatment twice on my daughters. Still finding nits.
1 reply from Prestige Consumer Healthcare team - 1 year ago
Thank you for your review! We are sorry to hear that you are unhappy with the results of our product. We would like to chat with you to hear more about your experience with this. Please contact us toll-free at 888-542-3546. We are available Monday through Friday from 8:30 am to 5:30 pm EST. We hope to hear from you soon.
1 out of 5 stars
Thumbs down graphic, would not recommend
15 March, 2025
lice treatment
I bought this for my daughter in a emergency when we found lice. It seemed to have worked but then a few months later it came back, and came back again after using. We used this 3 times hoping it would kill everything, but it doesn't seem to work fully. I don't think it kills the eggs. Would not recommend save your money.
1 reply from Prestige Consumer Healthcare team - 2 years ago
Thank you for your review! We are sorry to hear that you are unhappy with the results of our product. We would like to chat with you to hear more about your experience with this. Please contact us toll-free at 888-542-3546. We are available Monday through Friday from 8:30 am to 5:30 pm EST. We hope to hear from you soon.
1 out of 5 stars
Thumbs down graphic, would not recommend
5 January, 2025Verified purchase
Does not work
This does not work. When the treatment was rinsed out, the lice were still alive. Rechecked the hair the next day, and still found live lice and nits. I ended up taking my daughters to a professional.
1 reply from Prestige Consumer Healthcare team - 2 years ago
Thank you for your review! We are sorry to hear that you are unhappy with the results of our product. We would like to chat with you to hear more about your experience with this. Please contact us toll-free at 888-542-3546 or by email at medical_affairs@cbfleet.com . We are available Monday through Friday from 8:30 am to 5:30 pm EST. We hope to hear from you soon.
5 out of 5 stars
Thumbs up graphic, would recommend
18 December, 2024Verified purchase
Works!
Worked like a charm - remember combing is the most important part, and re-treat on day 7 and re-comb to double check.
2 out of 5 stars
Thumbs down graphic, would not recommend
13 December, 2024
Dont recommend
Didn’t work on super lice like it claims. We did the treatment twice and the lice were back.
1 reply from Prestige Consumer Healthcare team - 2 years ago
Thank you for your review! We are sorry to hear that you are unhappy with the results of our product. We would like to chat with you to hear more about your experience with this. Please contact us toll-free at 888-542-3546. We are available Monday through Friday from 8:30 am to 5:30 pm EST. We hope to hear from you soon.
2 out of 5 stars
Thumbs down graphic, would not recommend
18 November, 2024Verified purchase
Plastic comb - dont bother
The comb in the box did not match the p tire as was a small plastic comb that couldn’t get through my daughter and my hair. Very disappointed since my doctors recommended this.
1 reply from Prestige Consumer Healthcare team - 2 years ago
Thank you for your review! We are sorry to hear that you are unhappy with the results of our product. We would like to chat with you to hear more about your experience with this. Please contact us toll-free at 888-542-3546. We are available Monday through Friday from 8:30 am to 5:30 pm EST. We hope to hear from you soon.
1 out of 5 stars
Thumbs down graphic, would not recommend
15 November, 2024Verified purchase
TRASH!!!
Trash!!! Don’t waste your money or your time on this, tried it, followed instructions and when I did a comb thru those little critters were alive and well after their luxury spa. Will never purchase this again, not to mention it’s way overpriced!
1 reply from Prestige Consumer Healthcare team - 2 years ago
Thank you for your review! We are sorry to hear that you are unhappy with the results of our product. We would like to chat with you to hear more about your experience with this. Please contact us toll-free at 1-888-542-3546. We are available Monday through Friday from 8:30 am to 5:30 pm EST. We hope to hear from you soon.
5 out of 5 stars
Thumbs up graphic, would recommend
16 September, 2024Verified purchase
Works wonders
I’ve used different brands in the past and they never really worked for my daughter. Once I used this brand, instantly you noticed the lice falling off. It left her hair feeling smooth! Definitely would recommend 😊
2 out of 5 stars
Thumbs down graphic, would not recommend
13 August, 2024
Will come back
After applying, I haven’t seen any lice for a month but then they came back in!