Cosmetic method for treating coloured hair to reduce colour...

Details Cosmetic method for treating coloured hair to reduce colour... Cosmetic method for treating coloured hair to reduce colour...

A - Human Necessities

61

K

A61K 7/13 (1995.01)

Patent

CA 2330483

The present invention provides a cosmetic method for treating mammalian coloured hair to reduce or prevent colour fade and/or colour shift comprising: (a) treating the hair with a composition comprising a hydrophobic and/or cationic conditioning agent; followed by (b) wetting the hair. Optionally the method can include treating the hair, after step (b), with a composition comprising a conditioning agent and/or an ultraviolet filtering agent. The method of the present invention provides a reduction or prevention of colour fade and/or colour shift or coloured hair. The method can help to maintain a more consistent colour and, therefore, can increase the time between dye applications.

Cette invention se rapporte à un procédé cosmétique servant à traiter les cheveux teints afin de réduire ou d'empêcher l'affaiblissement des couleurs et/ou la dégradation de la couleur, ce procédé consistant: (a) à traiter les cheveux à l'aide d'une composition contenant un agent traitant hydrophobe et/ou cationique; puis (b) à mouiller les cheveux. Ce procédé peut éventuellement consister à traiter les cheveux, après l'étape (b), avec une composition contenant un agent traitant et/ou un agent filtrant les ultraviolets. Ce procédé permet de réduire ou d'empêcher l'affaiblissement des couleurs et/ou la dégradation de la couleur des cheveux teints. Ce procédé peut contribuer à préserver une couleur plus uniforme et, par conséquent, peut augmenter la période entre les applications de teinture.

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