A new shampoo based on neem (Azadirachta indica) is highly effective against head lice in vitro
Heukelbach, Jörg, Oliveira, Fabíola A.S., and Speare, Richard (2006) A new shampoo based on neem (Azadirachta indica) is highly effective against head lice in vitro. Parasitology Research, 99 (4). pp. 353-356.
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Because topical compounds based on insecticidal chemicals are the mainstay of head lice treatment, but resistance is increasing, alternatives, such as herbs and oils are being sold to treat head lice. To test a commercial shampoo based on seed extract of Azadirachta indica (neem tree) for its in vitro effect, head lice (n=17) were collected from school children in Australia and immersed in Wash-Away Louse™ shampoo (Alpha-Biocare GmbH, Germany). Vitality was evaluated for more than 3 h by examination under a dissecting microscope. Positive and negative controls were a commercially available head lice treatment containing permethrin 1% (n=19) and no treatment (n=14). All lice treated with the neem shampoo did not show any vital signs from the initial examination after immersion at 5–30 min; after 3 h, only a single louse showed minor signs of life, indicated by gut movements, a mortality of 94%. In the permethrin group, mortality was 20% at 5 min, 50% at 15 min, and 74% after 3 h. All 14 head lice of the negative control group survived during the observation period. Our data show that Wash-Away Louse™ is highly effective in vitro against head lice. The neem shampoo was more effective than the permethrin-based product. We speculate that complex plant-based compounds will replace the well-defined chemical pediculicides if resistance to the commonly used products further increases.
|Item Type:||Article (Refereed Research - C1)|
|Keywords:||neem; head lice; therapy; shampoo; azadirachtaindica|
|FoR Codes:||11 MEDICAL AND HEALTH SCIENCES > 1103 Clinical Sciences > 110309 Infectious Diseases @ 100%|
|SEO Codes:||92 HEALTH > 9201 Clinical Health (Organs, Diseases and Abnormal Conditions) > 920117 Skin and Related Disorders @ 100%|
|Deposited On:||21 Sep 2009 11:57|
|Last Modified:||15 May 2013 00:36|
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|Citation Counts with External Providers:||Web of Science: 33|
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