| abstract |
A composite silicone rubber particle is disclosed, wherein a part or entire surface of the silicone rubber particle is covered by a fine particle, a surface of which is modified by a functional group containing quaternary ammonium salt. Manufacturing methods of the composite silicone rubber particle are also disclosed, as well as a cosmetic product composition containing the composite silicone rubber particle. The composite silicone rubber particle has hydrophilicity and dispersibility while maintaining excellent fluidity, contains no harmful methanol, and has antimicrobial activity. |