| abstract |
Hydrogel particles comprising a) a matrix, and b) silicone or a blend of silicones, the silicone or blend of silicones having an average molecular weight greater than 400 Da, the particles having an average diameter of 0.1 to 15 mm The silicone is present in an amount of 5 to 40% by weight, preferably 25 to 40% by weight, based on the total weight of the particles. |