Process For Treating Keratin Fibres Employing At Least One Thiopyridinone Compound

Abstract: The present invention relates to a process for treating keratin fibres, in particular human keratin fibres, such as the hair, comprising bringing into contact with said keratin fibres at least one compound of formula (I) or (I'), as described hereinafter, and the optical isomers and geometrical isomers thereof, and also the organic or mineral acid or base salts thereof, and the solvates thereof such as the hydrates. The invention also relates to one or more compounds of formula (II) or (II'), as described hereinafter, and the optical isomers and geometrical isomers thereof, and also the organic or mineral acid or base salts thereof, and the solvates thereof such as the hydrates. The invention also relates to a process for treating keratin fibres, in particular human keratin fibres, such as the hair, comprising bringing into contact with said keratin fibres at least one compound of formula (III) or (III'), as described hereinafter, and the optical isomers and geometrical isomers thereof, and also the organic or mineral acid or base salts thereof, and the solvates thereof such as the hydrates.

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