According to the present invention there is provided a pearlescent liquid treatment composition suitable for use as a laundry or hard surface cleaning composition comprising a rheology modifier providing a pouring viscosity at 20 sec−1 of from 50 to 700 cps, a viscosity at constant low stress of 0.1 Pa which is at least 300 cps, preferably 500 cps and a pearlescent agent, said pearlescent agent having D0.99 volume particle size of less than 60 μm.