| http://www.w3.org/ns/prov#value | - ropanediol, glycerol, and especially one or more thickeners which can advantageously be chosen from the group consisting of silicon dioxide, aluminum isilicates and polysaccharides and derivatives thereof, e.g. hyaluronic acid, xanthan gum, hydroxypropylmethylcellulose, and particularly advantageously from the group of polyacrylates, preferably a polyacrylate from the group consisting of the so-ca
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