Abstract: A method includes obtaining a cartridge having a first fluid within an interior of the cartridge, where the cartridge includes a valve; obtaining a container having a second fluid within an interior of the container; obtaining a pressurizer; installing the cartridge within the pressurizer; installing the pressurizer within a container opening at a top end of the container; and opening the valve in the cartridge, to flow the first fluid within the interior of the cartridge through a first flow path in the valve, and a second flow path in the pressurizer into the second fluid in the container.

Abstract: The invention relates to a unit dose sachet comprising a perfume composition, wherein the perfume composition is a gel which comprises i) 0.2 to 2.0% by weight of a gelling agent selected from acrylates/C10-C30 alkyl acrylate cross polymers; ii) 60.0 to 75.0% by weight of a cosmetically acceptable alcohol; iii) 0.8 to 9.0% by weight of a fragrance composition having a liquid bulk specific gravity 20/20° C. of 0.97 to 1.08, a refractive index at 20° C. of 1.45 to 1.53 and a flash point of 100° C. to 1000° C.; iv) 0.5 to 1.5% by weight of a stabilizer; and v) 0.5 to 2.4% by weight of a solubilizer, vi) water up to 100% by weight, wherein the composition has a viscosity of 17,500 to 24,200 cps, and wherein the ratio of fragrance composition:gelling agent:alcohol is from 1:0.06:6 to 1:0.16:12.5.