Powdered hair dye containing cyclodextrin inclusion complex
AssigneeHoyu Co., Ltd.
InventorsTakeshi Oishi, Fumio Nakanishi, Toshihiko Yamamoto
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Abstract
A powdered hair dye includes a dye component included in cyclodextrin. Because of the complex formation, it possesses high stability for longer shelf life, color-fastness and deeper color: and maintains hair in good condition. Because of the powder, it is easy for the manufacturer to control manufacturing and transport. As for the users, it is light weight, easily carried and economical.
Claims4
A powdered hair dye comprising in admixture an oxidative dye component and an amount of a powdered oxidizing agent, effective to react with said dye component, wherein said dye component is present in the form of a cyclodextrin inclusion complex, the aount of the dye is from 0.05 to 50 parts in 100 parts of the powdered hair dye and the molar ratio of cyclodextrin:dye is 1:0.1 to 1:3.
Dependencies are inferred from the claim text.