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BMC Res Notes. 2011 Jan 25;4:15. doi: 10.1186/1756-0500-4-15.

Dimeticone 4% liquid gel found to kill all lice and eggs with a single 15 minute application.

Author information

  • 1Medical Entomology Centre, Insect Research & Development Limited, Stow-cum-Quy, Cambridge, UK. ian@insectresearch.com.

Abstract

BACKGROUND:

Dimeticone 4% lotion is an effective and widely accepted treatment for head louse infestation. However, it is a highly mobile fluid that some people find difficult to apply and is mainly left on the hair for 8 hours or overnight. User preference is for a more manageable and viscous product that can be used with a short application time.

FINDINGS:

This proof of concept study in 41 people investigated dimeticone 4% liquid gel, a product that is easier to apply than the lotion, applied for 15 minutes on two occasions a week apart. We found that head lice were eliminated from all participants following the first application of product. We did not find lice of any stage on any participant during four post treatment assessments and particularly, unlike other treatments, no young nymphs on days 1 and 6 prior to the second treatment, indicating ovicidal as well as pediculicidal activity.

CONCLUSIONS:

Dimeticone 4% liquid gel has demonstrated efficacy greater than other similar products and the evidence obtained indicates elimination of head louse infestation with a single 15 minute application.

TRIAL REGISTRATION:

Current Controlled Trials ISRCTN59227204.

PMID:
21266024
[PubMed]
PMCID:
PMC3038924
Free PMC Article
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