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A lavatory freshening and/or cleaning system comprises a dispenser for dispensing a liquid composition from under the rim of a lavatory bowl. The dispenser is in the form of a reservoir arranged for suspension from the rim of lavatory bowl, and the reservoir contains the liquid composition. The liq

A lavatory freshening and/or cleaning system comprises a dispenser for dispensing a liquid composition from under the rim of a lavatory bowl. The dispenser is in the form of a reservoir arranged for suspension from the rim of lavatory bowl, and the reservoir contains the liquid composition. The liquid composition comprises a combination of anionic and non-ionic surfactants having a total concentration of 22.5 wt. %, a thickening agent having a concentration of 0.40 wt. % and a perfume having a concentration of 6.00 wt. % and having a viscosity of a bout 3, 500 mPa s.

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The invention claimed is: 1. A lavatory freshening and/or cleaning system comprising a dispenser for dispensing a liquid composition from under the rim of a lavatory bowl and said liquid composition, said liquid composition having a viscosity greater than 3,000 mPa s at 20째 C. 2. A system as clai

The invention claimed is: 1. A lavatory freshening and/or cleaning system comprising a dispenser for dispensing a liquid composition from under the rim of a lavatory bowl and said liquid composition, said liquid composition having a viscosity greater than 3,000 mPa s at 20째 C. 2. A system as claimed in claim 1, wherein said liquid composition has a viscosity less than 6,000 mPa s at 20째 C. 3. A system as claimed in claim 2, wherein said liquid composition has a viscosity within the range 3,000 to 5,000 mPa s at 20째 C. 4. A system as claimed in claim 3, wherein said liquid composition has a viscosity of about 3,500 mPa s at 20째 C. 5. A system as claimed in claim 1, wherein said liquid composition comprises a surfactant. 6. A system as claimed in claim 5, wherein the total surfactant concentration is within the range 5 to 35 wt. %. 7. A system as claimed in claim 6, wherein the total surfactant concentration is substantially 22.5 wt. %. 8. A system as claimed in claim 5, wherein said surfactant is either an anionic surfactant or a non-ionic surfactant or a combination thereof. 9. A system as claimed in claim 8, comprising an alkyl ether sulphate constituting at least one anionic surfactant. 10. A system as claimed in claim 8, comprising an ethoxylated synthetic alcohol constituting at least one non-ionic surfactant. 11. A system as claimed in claim 1, wherein said liquid composition further comprises perfume. 12. A system as claimed in claim 11, wherein the total perfume concentration is within the range 4 to 15 wt. %. 13. A system as claimed in claim 11, wherein the total perfume concentration is substantially 6 wt. %. 14. A system as claimed in claim 1, wherein said liquid composition comprises a thickening agent. 15. A system as claimed in claim 1, wherein said liquid composition further comprises one or more of sequestrants, pH control agents, dyes and preservatives. 16. A method of using in a lavatory bowl a lavatory freshening and/or cleaning system as claimed in claim 1. 17. A lavatory freshening and/or cleaning system comprising a dispenser for dispensing a liquid composition from under the rim of a lavatory bowl and said liquid composition, said liquid composition comprising a thickening agent and having a viscosity greater than 2,500 mPa s at 20째 C., wherein the concentration of thickening agent, apart from any surfactant and perfume which may be present, is within the range 0.2 to 5 wt. %. 18. A lavatory freshening and/or cleaning system comprising a dispenser for dispensing a liquid composition from under the rim of a lavatory bowl and said liquid composition, said liquid composition having a viscosity greater than 3,000 mPa s at 20째 C., wherein said thickening agent is a hydroxyethylcellulose.