Abstract: The invention relates to a composition preferably useful for topical application in the form of an oil-in-water emulsion comprising, in a physiologically acceptable medium, an oily phase dispersed in an aqueous phase, containing at least one lipophilic emulsifier and at least one water-soluble or water-dispersible amphiphilic polymer, which may be obtained from 2-acrylamido-2-methylpropanesulphonic acid units and from hydrophobic monomers comprising an oxyalkylene chain.

Abstract: Oil-in-water nanoemulsions comprising oil globules with an average size of less than 150 nm and comprising at least one oil, at least one amphiphilc lipid, and at least one nonionic polymer comprising at least one hydrophobic block and at least one hydrophilic block. Processes comprising such oil-in-water nanoemulsions.

Abstract: Oil-in-water nanoemulsions comprising oil globules with an average size of less than 150 nm and comprising at least one oil, at least one amphiphilc lipid, and at least one polyethylene glycol (PEG) derivative chosen from PEG esters and PEG ethers chosen from compounds of formula (I): R1—(O—CH2—CH2)n—OR2  (I) in which: R1 is chosen from linear and branched, saturated and unsaturated alkyl groups comprising from 8 to 30 carbon atoms and linear and branched, saturated and unsaturated acyl groups comprising from 8 to 30 carbon atoms, R2 is chosen from a hydrogen atom, linear and branched, saturated and unsaturated alkyl groups comprising from 1 to 30 carbon atoms, and linear and branched, saturated and unsaturated acyl groups comprising from 1 to 30 carbon atoms, and n is a number ranging from 80 to 350. Processes comprising such oil-in-water nanoemulsions.

Abstract: A composition, in the form of a water-in-oil emulsion, is characterized in that it contains at least one amphiphilic polymer or copolymer of 2-acrylamido-2-methylpropanesulphonic acid bearing hydrophobic grafts chosen from hydrocarbon-based radicals containing from 6 to 30 carbon atoms, oxyalkylenated hydrocarbon-based radicals comprising a hydrocarbon-based group containing from 6 to 30 carbon atoms and at least one oxyalkylene unit, and mixtures thereof.

Abstract: Oil-in-water nanoemulsions comprising oil globules with an average size of less than 150 nm and comprising at least one oil, at least one amphiphilc lipid, and at least one nonionic polymer comprising at least one hydrophobic block and at least one hydrophilic block. Processes comprising such oil-in-water nanoemulsions.

Abstract: A composition, comprising, in a physiologically acceptable medium, an aqueous phase dispersed in an oily phase by means of an emulsifier of at least one oligomer or one polymer derived from a polyolefin, comprising a polyolefinic apolar component comprising at least 40 carbon atoms and at least one polar component.

Abstract: These objects and others may be accomplished with the present invention, the first embodiment of which provides an oil-in-water nanoemulsion, which includes:

Abstract: Oil-in-water nanoemulsions comprising oil globules with an average size of less than 150 nm and comprising at least one oil, at least one amphiphilc lipid, and at least one polyethylene glycol (PEG) derivative chosen from PEG esters and PEG ethers chosen from compounds of formula (I):