发明名称 |
método para tingir fibras queratinosas e kit para implementação do dito método para tingir fibras queratinosas |
摘要 |
A method of coloring keratinous fibers comprising contacting the keratinous fibers sequentially with a pre-treatment composition and a color developer wherein: i. the pre-treatment composition comprises: (a) 0.5-25% by weight of an iron salt at a pH below 2 including 0.5-5% by weight of a reducing agent (b) a buffer effective in the pH range 3-6 and (c) a penetration enhancer comprising one or more solvents having Hansen solubility parameter δh between 1-10 (MPa)1/2 and δp between 10-25 (MPa)1/2 wherein the component (b) is mixed with (a) or (c) not more than 360 minutes prior to contacting the keratinous fibers and ii. the color developer is selected from one or more of hydrolysable tannin or its breakdown products or derivatives or a mixture thereof obtained from a natural or synthetic source, where the sequence of contact is in any order. |
申请公布号 |
BRPI0916157(A2) |
申请公布日期 |
2015.11.10 |
申请号 |
BR2009PI16157 |
申请日期 |
2009.11.06 |
申请人 |
UNILEVER N.V. |
发明人 |
GEORGIOS TETRADIS-MAIRIS;INDU MANI;JANHAVI SANJAY RAUT;LALITHA BALAKRISHNAN;VIJAY MUKUND NAIK |
分类号 |
A61K8/19;A61K8/60;A61K8/97;A61Q5/10 |
主分类号 |
A61K8/19 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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