Direct dyes and composition comprising the dyes
The present invention relates to novel direct dyes and compositions comprising them for dyeing keratin fibers especially human hair. The novel dyes of the present invention have benzothiophene structure providing intensive and homogeneous dyeing on keratin fibers, especially human hair.
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Main Authors | , |
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Format | Patent |
Language | English |
Published |
05.02.2019
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Subjects | |
Online Access | Get full text |
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Summary: | The present invention relates to novel direct dyes and compositions comprising them for dyeing keratin fibers especially human hair. The novel dyes of the present invention have benzothiophene structure providing intensive and homogeneous dyeing on keratin fibers, especially human hair. |
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Bibliography: | Application Number: US201515538095 |