Patent ID: 8362069

Claim:
A pharmaceutical/dermatological emulsion which comprises at least one fatty phase, at least one aqueous phase and at least one avermectin compound, said at least one fatty phase comprising at least one oily solvent other than a mineral or plant oil, said avermectin compound being solubilized in said at least one oily solvent to form an active phase, said active phase being devoid of any solvent for said avermectin compound distinct from said at least one oily solvent; said emulsion consisting essentially of: a first fatty phase which is a solvent for the at least one avermectin compound, in an amount of from 0.01% to 25% by weight, said first fatty phase consisting essentially of at least one oily solvent selected from the group consisting of diisopropyl adipate, PPG 15 stearyl ether, octyl dodecanol, C 12 -C 15 alkyl benzoate and mixtures thereof; a second fatty phase which is not a solvent for the at least one avermectin compound, in an amount of up to 20% by weight, said second fatty phase consisting essentially of at least one member selected from the group consisting of silicone oils, mineral oils, stearyl alcohol, cetyl alcohol, waxes, butters and mixtures thereof; at least one avermectin compound; at least one emulsifier, in an amount of 1% to 8% by weight; a gelling agent, in an amount of up to 5% by weight; an aqueous phase, in an amount of from 50% to 75% by weight; and one or more additives selected from the group consisting of humectants, preservatives, anti-irritants, moisture regulators, pH regulators, osmotic pressure modifiers, UV-A and UV-B screens and antioxidants.