Method for Dyeing Keratinous Material Comprising the Leave-On Application of a Dye That Has a Low Water Content and Comprises C1-C6 Alkoxy Silane, Pigment and Solvent
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United States of America
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Apr 3, 2025
app pub date -
Dec 13, 2024
filing date -
Dec 13, 2024
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Abstract
The present invention relates to a method for dyeing keratinous material, in particular human hair, comprising the following steps in the specified order: (1) providing a dye (F), wherein the dye (F) in relation to the total weight of the dye (F) contains: (F1) one or more organic C1-C6 alkoxy silanes and/or condensation products thereof, (F2) at least one pigment, (F3) less than 25.0 wt. % water, and (F4) at least one solvent different from water, (2) administering the dye (F) to moistened or dry keratinous material, (3) optionally applying a defined amount of water to the keratinous material, which is still loaded with the dye (F), wherein the weight of the amount of water applied in step (3) is at most twice the weight of the dye (F) administered in step (2), and (4) drying the keratinous material without washing out the dye (F) beforehand.
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