| 摘要 |
PROBLEM TO BE SOLVED: To obtain a colored bar soap, capable of producing the depth in color and using a coloring assistant having high safety. SOLUTION: This bar soap comprises one or more of a charcoal, a coal, an active carbon, a cuttlefish ink, a cocoa, a coffee or a dark brown tea used as a coloring assistant as a fine powder having <=0.5mμparticle diameter in an amount of about 1-0.01wt.% based on the whole production raw material. The colored bar soap has high safety of the coloring assistant and assumes the texture and depth equal to or higher than those of a soap using carbon black as the coloring assistant. Furthermore, a material to be coated is not colored to black even when the bar soap is smeared on a wet towel, etc., as opposed to the soap using the carbon black.
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