Patent ID: 8524363

Claim:
Organosilicone fine particles with tetrahedral general shapes having surfaces each comprising a concave part with an approximately circular opening, wherein the maximum external diameters L of the organosilicone fine particles have an average value in the range of 0.5-20 μm, the average value of the maximum external diameters L being taken from arbitrarily selected 20 of a scanning electron microscope photograph image of said organosilicone fine particles; wherein the ratio m/L of the maximum diameter m of the concave part with respect to the maximum external diameter L has an average value in the range of 0.3-0.8 taken from arbitrarily selected 20 of a scanning electron microscope photograph image of said organosilicone fine particles; wherein oil absorption of said organosilicone fine particles is 50-150 ml/100 g; and wherein said organosilicone fine particles comprise siloxane units forming a polysiloxane cross-link structure including siloxane units SiO 2 in an amount of 30-50 molar %, siloxane units R 1 SiO 1.5 in an amount of 45-65 molar % and siloxane units R 2 R 3 SiO in an amount of 3-9 molar % so as to be a total of 100 molar %, wherein R 1 , R 2 and R 3 are each alkyl group with 1-4 carbon atoms or phenyl group.