CPC A61K 8/9789 (2017.08) [A61Q 5/065 (2013.01); C09B 61/00 (2013.01); C09B 67/0033 (2013.01); A61K 2800/43 (2013.01)] | 17 Claims |
1. A method for preparing a dye composition comprising the following steps:
providing an extract A of the aerial parts of Lawsonia inermis containing from 7 to 60% by weight of lawsone relative to the total weight of the dry extract, wherein the lawsone results notably from enzymatic hydrolysis of glycosylated lawsone derivatives; and
providing an extract B of the aerial parts of Lawsonia inermis containing less than 0.6% by weight of lawsone, at least 15% by weight of phenol compounds and at least 60% by weight of saccharide compounds, including polysaccharides, relative to the total weight of the dry extract;
mixing extract A and extract B;
obtaining a dye composition.
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