Vamousse® PROTECTIVE SHAMPOO: PROVEN TO BREAK THE CYCLE OF INFESTATION
A commonly held frustration amongst mums, is other mums who are perceived to be wilfully causing the spread of lice by letting infested children go to school.* The reality is mums’ frustration is mis-placed. Non-treatment & spread are based on blissful ignorance.
*Vamousse Focus Groups Feb 14
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The reality is that “Most infestations are caught from family or close friends who don’t even know they have head lice” Source: Patient.co.uk. This is because it takes time for an infestation to become large enough to be visible, or for people to experience the common symptoms of infestation e.g. itching, a crawling sensation.
The chart below charts shows the growth pathway of a typical head lice infestation
Source: Tyratech data on file, modelling based on Leslie-Lefkovitch Mixed matrix approach, age and stage
The head lice infestation depicted on this chart is made up of eggs, adult lice and nymphs. Eggs make up a high proportion of the infestation from day 0-15 and are very difficult to detect due to their size, plus they do not cause the symptoms associated with head lice (itching, crawling sensation.) Nymphs make up a high proportion of the head lice infestation from day 15-30 and are extremely difficult to detect due to their size. (The population growth modelling underpinning this chart is not able to take account of the fact that hair grooming, louse migration off the host in search of a new host and other hypothesised factors typically kill or remove a large portionlice resulting in a typical infestation of around 10-20 lice).
It can take a month or longer for a lice colony to be detectable.
The early stages of an infestation is made up primarily of eggs and nymphs (immature lice) which are difficult to detect. To break the cycle of infestation and stop an infestation establishing and spreading, it is crucial that hatching nymphs are eradicated.
Studies have been conducted by TyraTech’s R&D entomologist with ecological (or population evolution) modelling experience developed academically and during tenure at Centers For Disease Control USA.
Laboratory in vitro trial data has been used to model the efficacy of the shampoo at stamping out a head lice infestation
Vamouse Impact On A Head Lice Infestation - Treated (Trial Data) Vs Untreated (Theory)
Assumptions, 5 fertilised females at day 0, egg deposition rate of 3 eggs/day
The model uses conservative assumptions, i.e. likely to underestimate efficacy in eradicating a head lice population e.g.
Regular use of Vamousse Protective Shampoo during a head lice outbreak stamps out an undetected early infestation before it can take hold by reducing the population of undetected lice and eggs and killing the few remaining nymphs that have hatched, before they reach maturity. Vamousse Protective Shampoo thereby breaks the cycle of infestation.