A liquid non-aqueous dispersion including a silicone oil and a copolymer dispersed therein, the copolymer including (A) at least one radical polymerizable macromonomer containing dimethyl polysiloxane, and (B) at least one radical copolymerizable monomer with the macromonomer (A), which includes at least one (meth)acrylate monomer and optionally at least one vinyl monomer. This liquid non-aqueous dispersion has excellent water resistance, oil resistance and adhesive properties, and when used as a component of cosmetics, it can meet both requirements for long lasting make-up and good feeling of use of cosmetics.