Hair colouring kit

Abstract

A kit for colouring hair comprising: i) a first container containing a composition comprising an oxidative dye; and ii) a second container containing a composition comprising a per-oxygen generating material, in which the second container comprises sides of height X mm, a first end closed by a bottom of external diameter Y mm and a second end opposite the first, having a opening of internal diameter Z mm in which the ratio of X to Y is less than 1:1 and the internal diameter Z mm differs by 15% or less from the external diameter Y mm and in which the internal diameter Z mm is from 60 to 80 mm.

1 . A kit for colouring hair comprising:
 (i) a first container containing a composition comprising an oxidative dye; and   (ii) a second container containing a composition comprising a per-oxygen generating material, in which the second container comprises sides of height X mm, a first end closed by a bottom of external diameter Y mm and a second end opposite the first, having an opening of internal diameter Z mm in which the ratio of X to Y is less than 1:1 and the internal diameter Z mm differs by 15% or less from the external diameter Y mm and in which the internal diameter Z mm is from 60 to 80 mm.   
     
     
         2 . A kit for colouring hair according to  claim 1  in which ratio of the height X mm to external diameter Y mm of the second container is from 4:5 to 1:2. 
     
     
         3 . A kit according to  claim 1  in which the height X mm of the second container is from 45 to 65 mm. 
     
     
         4 . A kit for colouring hair according to  claim 1  in which the second container has a volume from 100 to 300 ml. 
     
     
         5 . A kit for colouring hair according to  claim 1  in which the second container comprises a rigid casing in which the casing comprises polypropylene (PP), polyethylene (PE) or combinations thereof. 
     
     
         6 . A kit for colouring hair according to  claim 1  in which the sides of the second container narrow below the opening to form a neck within the container. 
     
     
         7 . A kit for colouring hair according to  claim 1  in which at least one part of the second container is deformable. 
     
     
         8 . A kit for colouring hair according to  claim 1  in which the bottom of the second container is domed. 
     
     
         9 . A kit for colouring hair according to  claim 1  in which the second container further comprises a lid. 
     
     
         10 . A kit for colouring hair according to  claim 1  in which the first container comprises a casing comprising a pliable material. 
     
     
         11 . A kit for colouring hair according to  claim 1  in which the per-oxygen generating material of the composition within the second container is hydrogen peroxide. 
     
     
         12 . A method of colouring the hair using the kit described in  claim 1  comprising the following steps:
 i) adding the contents of the first container to the second container; 
 ii) mixing the contents; 
 iii) applying the product to hair; 
 iv) rinsing the hair with water.