Comparison of phenothrin mousse, phenothrin lotion and wet-combing for head lice

INTERVENTION: 1. d‐phenothrin 0.5% mousse in an alcohol/water emulsifying wax base plus butane propellant supplied in 50mL pressurised containers, used once by application to dry hair for 30 minutes followed by shampoo washing. 2. d‐phenothrin 0.2% lotion in an alcohol/water base supplied in 50mL bottles, used once by application to dry hair for 2 hours followed by shampoo washing. 3. Wet‐combing using combs from the "Bug Buster" pack to comb out lice from shampooed and heavily conditioned hair, supplied from 1 bottle of non‐medicated frequent use shampoo and 4 60mL bottles of non‐medicated conditioner. CONDITION: Head louse (Pediculus capitis) infestation ; Infections and Infestations ; Pediculosis due to Pediculus humanus capitis PRIMARY OUTCOME: 1. The between‐treatment comparison of the number of participants with evidence of active head lice infestation 14 days after treatment. ; 2. In the case of the two insecticide‐based treatments this meant that no lice should be found during the follow up assessments up to the 14th day after application of the product.; 3. In the case of wet‐combing this referred to the assessment on the 14th day after initiation of treatment and for 14 days thereafter, i.e. to the 28th day. SECONDARY OUTCOME: Comparison between treatments with respect to occurrence of untoward effects, whether or not they are thought to be related to the study treatment. INCLUSION CRITERIA: 1. Males and females over the age of 4 who are suffering from head lice 2. People who give written informed consent or, if the person is under 18 years of age, whose guardians give written informed consent to participate in the study 3. People who are available for visits from the research investigators over the following 28 days 4. People who have an adult/guardian who is able to treat or comb the hair (depending on the allocated treatment group)