| abstract |
The invention relates to new emulsions of oil-in-water type, both stable and of pH less than or equal to 3.5, in particular of pH less than or equal to 3, said emulsions comprising, as stabilizing agent, a crosslinked anionic copolymer substantially soluble in water and consisting of units derived from the reaction between (i) acrylamide, (ii) 2-acrylamido 2-methyl propane sulfonic acid and (iii) at least one polyunsaturation compound olefinic (crosslinking agent), said olefinically polyunsaturated compound being present in the copolymer at a concentration of between 0.06 and 1 millimole per mole of all of the monomer units.n n n It also relates to cosmetic and / or pharmaceutical compositions comprising such emulsions. |