Fabric care and perfume compositions and systems comprising cationic silicones and methods employing same

A thickened built aqueous liquid laundry detergent composition comprising:

• (a) from 0.01% to 5% of a water-immiscible cationic silicone random block copolymer comprising three or more polydimethylsiloxane units —[(CH3)2SiO]n— having a degree of polymerization, n, of from 50 to 200 and organosilicon-free units comprising at least one diquaternary unit;
• (b) from 0.001% to 10% of a stabilizer selected from gums and hydroxyl-containing stabilizing agents;
• (c) from 5% to 50% of a surfactant;
• (d) from 0.5% to 50% of builder;
• (e) from 0.5% to 30% of solvent other than water;
• and
• (f) from 5% to 90% of water.