Frequently asked questions
Everything families ask before getting rid of lice for good.
Will this work if Rid and Nix didn't?
Yes. Lice have evolved resistance to the pesticides in over-the-counter treatments like Rid and Nix, so those products often fail even when you follow the instructions perfectly. LiceKiller uses an enzyme and essential-oil system that works through a physical mechanism lice can’t develop resistance to.
Is it safe for children, babies, and pets?
Yes. No pesticides, no neurotoxins. Our formula was designed by an organic farmer and a PhD chemist to be safe enough for babies and pets — safe enough, in fact, that Peter puts it in his mouth on camera — while still killing lice.
Why do I have to treat my home and not just the hair?
Lice don’t just live on heads. They drop off and crawl onto furniture, bedding, car seats, and pillows, then find a new head. Treating only the hair is the most common reason lice come back. Our “Everything You Need” kits include furniture spray and laundry concentrate so you solve the whole problem at once.
How fast does it work, and how many treatments?
Most families see results after the first treatment. The enzyme dissolves the glue holding nits to the hair shaft (making combing dramatically easier), and the oils kill the lice. There’s no waiting period — use it the moment you see a re-infestation.
Which kit should I choose?
Large Kit + free Inspection Kit — families of 4+, treats a 3–4 bedroom home. Medium Kit — 2–3 people, a 2-bedroom home. Small Kit — one person, a small space. LK4 — a hair-only kit for a single head.
How long does shipping take?
The Large and Medium kits include free 2-business-day FedEx shipping. Order before the daily cutoff and your package goes out the same day.
What’s your guarantee?
If our products don’t kill the lice you see, you get a full refund within 60 days. And if lice come back from school or a sleepover anytime in the next 5 years, you can reorder at 50% off.
Do the products expire?
No — the kits keep for 5+ years on the shelf, so they’re ready whenever lice return.
How do I use the products?
Full step-by-step directions are included in every kit, and you can read them here anytime: LiceKiller instructions (PDF).