A composition useful in cosmetic preparations comprising a crosslinking type organopolysiloxane and an oil other than a silicone oil, and cosmetic preparations containing this composition, are disclosed. The cosmetic preparation of this invention excels in usability. It spreads lightly and gives a fresh feeling. Upon application, it imparts flexibility, smoothness and an emollient effect without impairing moderate transpiration, and gives a wide range of effects ranging from natural loss to a matt feeling. It also has satisfactory long-term stability.