Head Lice Checker

Hedrin Kills Lice Leave In

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Hedrin Kills Lice Leave In

A water-based leave-in head lice treatment using octane-1,2-diol, designed to stay on the hair for at least 8 hours and then be repeated after 7 days.

Best for Adults and children 6 months and over

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Hedrin Kills Head Lice Liquid leave-in treatment box, front view on a white background

Description

Hedrin Kills Lice Leave In is strongest for families that want to apply treatment, leave it on through the day or overnight, and wash it out later rather than supervise a very short treatment window. It works best for households that are organised enough to complete the second treatment after 7 days.

It is less attractive if you want the simplest single-SKU row because the official page covers a treatment family rather than one exact bottle, but the underlying guidance is still clear enough for a broad, factual row.

Pros

  • Suitable for adults and children 6 months and over
  • Water-based treatment positioning is clear on the official page
  • Available in lotion, mousse, and spray formats
  • Designed to be left on through the day or overnight rather than supervised continuously

Cons

  • Minimum 8-hour contact time is still a long treatment window
  • A second treatment after 7 days is required
  • This official page covers a treatment family rather than one single-SKU bottle
  • Not tested on hair extensions

How to use

  1. 1.Shake the chosen format well before use.
  2. 2.Apply all over dry hair.
  3. 3.Make sure the scalp is covered and the hair is saturated from root to tip.
  4. 4.Leave to dry naturally or use a hair dryer if preferred, then leave on for a minimum of 8 hours.
  5. 5.Rinse or shampoo out and repeat the same process 7 days after the first treatment.
  6. 6.Repeat the treatment after 7 days to complete the treatment properly.

Also consider

Nearby options if this product is not quite the right fit.

Hedrin Kills LiceA fast 5-minute Hedrin treatment for confirmed lice when you want a shorter wash-out routine and do not want combing to do the heavy lifting.View productHedrin Kills Lice ShampooA 5-minute shampoo treatment for head lice that is suitable from 1 year, uses isononyl isononanoate, and is followed by combing through the hair and a one-week recheck.View productHedrin Prevent LiceA spray-in conditioner designed for ongoing protection rather than treatment, suitable from 6 months and intended for regular use after hair washing or at least twice a week.View product

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