Hydroxylated indoles as dye precursors

Details Hydroxylated indoles as dye precursors Hydroxylated indoles as dye precursors

A - Human Necessities

61

K

167/302, 167/310

A61K 8/49 (2006.01) A61Q 5/10 (2006.01)

Patent

CA 1302284

R154 Abstract of the Disclosure The invention concerns a new system to dye hair and/or skin. The system comprises the use of a hydroxyindole dye precursor and sodium periodate. Advantageously, this dye system allows the dye to penetrate inside the hair fiber without coating the hair shaft and, thus, give a more pleasing and stable dye result.

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