Title:
METHOD AND COMPOSITION FOR THE GRADUAL PERMANENT COLORING OF HAIR
Document Type and Number:
WIPO Patent Application WO2002074266
Kind Code:
A3
Abstract:
A method for permanently dyeing hair which comprises subjecting said hair to a number of treatments, having a set time interval between each two consecutive such treatments, wherein each treatment comprises steps a.) and b.) below: a.) contacting said hair, for a period of about 5 seconds to about 5 minutes with a recently made mixture of: i.) an alkaline composition comprising a dye intermediate in a shampoo base or in a conditioner base; and ii.) an acidic composition comprising an oxidating compound in a shampoo base or in a conditioner base; b.) rinsing said mixture from said hair with water;with the proviso that when a conditioner base is present in a.) i.) above, an independently selected conditioner base is also present in a.) ii.) above; and when a shampoo base is present in a.) i.) above, an independently selected shampoo base is also present in a.) ii.) above;and wherein said number of treatments is between about 2 to about 30; and wherein said set time interval between each two consecutive treatments is between about 8 hours and 30 days, is described.
Inventors:
PATEL JITENDRA
NEWELL GERALD PATRICK
NEWELL GERALD PATRICK
Application Number:
PCT/EP2002/003085
Publication Date:
February 27, 2003
Filing Date:
March 15, 2002
Export Citation:
Assignee:
UNILEVER PLC (GB)
UNILEVER NV (NL)
LEVER HINDUSTAN LTD (IN)
UNILEVER NV (NL)
LEVER HINDUSTAN LTD (IN)
International Classes:
A61K8/00; A61K8/02; A61K8/22; A61K8/34; A61K8/40; A61K8/41; A61K8/46; A61K8/49; A61K8/89; A61K8/891; A61Q5/02; A61Q5/10; D06P3/08; (IPC1-7): A61K7/13
Domestic Patent References:
| WO2000010515A1 | 2000-03-02 |
Foreign References:
| EP0146350A2 | 1985-06-26 | |||
| DE2704343A1 | 1977-08-18 | |||
| US4402700A | 1983-09-06 |
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