| 摘要 |
<p>An ectoparasiticidal composition is provided that comprises a mixture of a carrier and an active. The carrier comprises a mixture of a volatile siloxane and an essential oil and/or a derivative of an essential oil in an amount such that it is incapable of adding any significant insecticidal activity to the composition over that of the active. Preferably, the essential oil and/or the derivative of an essential oil comprises a terpene, in particilar nerolidol, or a phenylpropanoid derivative. These impart significant penetration enhancement of the active or actives of the ectoparasiticidal composition. The volatile siloxane may be an alkylsubstituted cyclic or linear siloxane wherein methyl groups predominate. The essential oil may be a terpene or a phenylpropanoid derivative and is preferably nerolidol. The composition may be used to treat head lice.</p> |
