Patent 9610241 was granted and assigned to L'Oreal Alumni Official Association on April, 2017 by the United States Patent and Trademark Office.
The present invention relates to a process for treating straightened keratin fibres, in which a composition comprising at least one carboxylic acid in its acid or salified form, at a concentration of greater than or equal to 2%, and at least one non-cellulosic polymer and/or at least one fatty substance, the pH ranging from 3 to 8, is applied to the straightened keratin fibres.