Oil in water emulsion film forming sunscreen compositions

Abstract From the Canadian patent

A water-based cosmetically acceptable, cream or lotion composition for producing an adherent, breathable continuous film on the skin of the user, resulting film being resistant to removal by the action of water of perspiration but readily removable by washing with a solution of soap or another emulsifier comprises, a major amount (in excess of 50% by weight) of water; a minor effective amount of an oil soluble, hydrophobic active ingredient such as sunscreening agent; a non-ionic oil soluble emollient, an emulsifying system comprising a member selected from the fatty acids and the carboxy vinyl polymers neutralized with ammonia or a fugitive amine; and a film-forming, water insoluble …