The present invention relates to a hair cosmetic composition, especially for washing and/or conditioning hair, comprising surfactants and an oil-in-water emulsion that comprises:a silicone mixture comprising a trialkylsilyl terminated dialkylpolysiloxane and an amino silicone;a mixture of emulsifiers comprising one or more nonionic emulsifier, wherein the mixture of emulsifiers has a HLB value from 10 to 16; andwater.The invention also relates to a process for the cosmetic treatment of hair, preferably for washing and/or conditioning hair, using this composition.