A Pilot Dose Ranging Study of Spinosad Creme Rinse

Inclusion Criteria: * Active head lice infestation * Male or female, 2 years of age or older * Good general health * Appropriately signed Informed Consent * Subject agreement to not use any other form of lice treatment during the course of the study * Subject agreement to not cut or chemically treat their hair between visits Exclusion Criteria: * History of irritation or sensitivity to pediculicides or hair care products * Individuals with any visible skin/scalp condition that would interfere with the evaluation * Individuals previously treated with a pediculicide within 4 weeks prior to study enrollment * Individuals using hair dyes, bleaches, permanent waves or relaxing solutions 2 weeks prior to study enrollment * Individuals who have participated in any clinical trial within 30 days of enrollment * Individuals with family members who were infested with lice but were unwilling or unable to enroll in the study or use a standard course of lice treatment * Females who were pregnant or nursing * Sexually active females not using effective contraception