Allyl group-containing polyether

The present invention relates to a mono- and / or Polyallylpolyetherurethan, water-soluble or water-dispersible polymers, which contain such a polyether urethane in copolymerized form, as well as cosmetic or pharmaceutical compositions which contain a water-soluble or water-dispersible polymer based on a mono- and / or Polyallylpolyetherurethans.