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An apparatus and system for preparing a hair coloring includes a graduated syringe and a container filled with a pigmented hair dye. The container includes an air-tight chamber and an opening, and also includes an engagement mechanism for installing the container on a rack for support. An air-tight

An apparatus and system for preparing a hair coloring includes a graduated syringe and a container filled with a pigmented hair dye. The container includes an air-tight chamber and an opening, and also includes an engagement mechanism for installing the container on a rack for support. An air-tight reclosing seal at the opening allows the syringe to engage the air-tight reclosing seal, and extract the hair dye from the air-tight chamber. When the syringe is disengaged from the container, the air-tight reclosing seal closes off the air-tight chamber and permitting a known quantity of the hair dye to be withdrawn from the container into the syringe, allowing an accurate and repeatable quantity of hair dye to be dispensed from the container.

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1. An apparatus for preparing a hair coloring comprising: a graduated measuring and dispensing vessel;a container having a hair dye contained therein, the container comprising an air-tight chamber and an opening;the container further including means for engaging the container with a container holder

1. An apparatus for preparing a hair coloring comprising: a graduated measuring and dispensing vessel;a container having a hair dye contained therein, the container comprising an air-tight chamber and an opening;the container further including means for engaging the container with a container holder to support the container;an air-tight reclosing seal at the opening, such that when the measuring and dispensing vessel engages the air-tight reclosing seal, the hair dye may be extracted from the air-tight chamber, and when the measuring and dispensing vessel is disengaged from the container, the air-tight reclosing seal closes off the air-tight chamber; andthereby permitting a known quantity of the hair dye to be withdrawn from the container into the measuring and dispensing vessel, allowing an accurate and repeatable quantity of hair dye to be dispensed from the container. 2. The apparatus of claim 1 wherein the container includes an engaging device at the opening for releasably connecting the measuring and dispensing vessel to the container in an air-tight manner. 3. The apparatus of claim 1 wherein the container includes an outer layer made of a semi-rigid poly-plastic material. 4. The apparatus of claim 1 wherein the opening is at the bottom of the container relative to a container label. 5. The apparatus of claim 1 wherein the air-tight reclosing seal comprises a self-sealing orifice reducer. 6. The apparatus of claim 1 wherein the container holder comprises a rack capable of holding multiple containers. 7. The apparatus of claim 6 wherein the multiple containers hang suspended from the rack. 8. The apparatus of claim 6 wherein the rack holds multiple containers of the same color in a row, such that a full container may be brought forward when an empty container is removed from the rack. 9. The apparatus of claim 1 wherein the measuring and dispensing vessel comprises a reusable syringe. 10. The apparatus of claim 1 wherein the opening and the measuring and dispensing vessel comprise a luer-lock arrangement with a shut-off valve. 11. The apparatus of claim 1 wherein the measuring and dispensing vessel comprises an oxygen-free barrier. 12. The apparatus of claim 1 wherein the surfaces of the measuring and dispensing vessel are treated with a fluorination barrier treatment. 13. The apparatus of claim 1 further comprising a mixing bowl for mixing dispensed hair dyes. 14. A method of coloring hair, comprising the steps of: providing a first container having a quantity of hair dye contained therein;providing a first opening in the first container with an air-tight re-closable seal on the first container;providing a graduated measuring and dispensing vessel capable of holding a predetermined quantity of hair dye;accessing the first opening with the graduated measuring and dispensing vessel and withdrawing a first predetermined quantity of hair dye from the first container;dispensing the first predetermined quantity of hair dye into a mixing bowl;providing a second container having a quantity of hair dye contained therein;providing a second opening in the second container with an air-tight re-closable seal on the second container;accessing the second opening with the graduated measuring an dispensing vessel and withdrawing a second predetermined quantity of hair dye from the second container;dispensing the second predetermined quantity of hair dye into the mixing bowl; andmixing the first predetermined quantity of hair dye and second predetermined quantity of hair dye together. 15. The method of claim 14 further comprising the step of providing an oxygen barrier on the graduated measuring and dispensing vessel. 16. The method of claim 14 further comprising the step of providing a rack for the first container and the second container. 17. The method of claim 16 further comprising the step of loading additional containers having quantities of different hair dye colors in the rack.