Abstract: Disclosed is a cosmetic composition including: (a) a saturated or unsaturated carboxylic acid, and their derivatives, with carbon numbers lower than 12 or mixtures thereof; (b) a fluorinated polymer selected from perfluoro-acrylic or perfluoro-silicone polymers or mixtures thereof; (c) an amino substance selected from alkoxylated polyamines or mixtures thereof; (d) one or more of the ingredients commonly used in the cosmetic industry listed in EU Decision 710/2019, (e) pH of the mixture between 0.5 and 10.0. The use of the composition for application on keratin fibers is also disclosed.

Abstract: A treatment of human hair by means of solutions of Glyoxylic acid that, when used in combination with mechanical straightening by means of hair-straightening irons set at a temperature of approximately 200° C.+/?30° C., allow for the semi-permanent changing of the shape of hair from curly and/or frizzy to straight for at least six consecutive washings with water and shampoo.

Abstract: The process of the invention provides for a preventive hair treatment with buffering agent, in particular glyoxylic acid in combination with mechanical straightening with hair straightening iron at temperature of approximately 200° C.+/?50° C.

Abstract: The process of the invention provides for a preventive hair treatment with buffering agent, in particular glyoxylic acid in combination with mechanical straightening with hair straightening iron at temperature of approximately 200° C.+/?50° C.

Abstract: A treatment of human hear by means of solutions of Glyoxylic acid that, when used in combination with mechanical straightening by means of hair-straightening irons set at a temperature of approximately 200° C.+/?30° C., allow for the semi-permanent changing of the shape of hair from curly and/or frizzy to straight for at least six consecutive washings with water and shampoo.

Abstract: The invention relates to a treatment of human hair by means of solutions of Glyoxylic acid that, when used in combination with mechanical straightening by means of hair-straigthening irons set at a temperature of approximately 200° C. +/?30° C., allow for semipermanently changing the shape of hair from curly and/or frizzy to straight for at least six consecutive washings with water and shampoo.

Abstract: The process of the invention provides for a preventive hair treatment with buffering agent, in particular glyoxylic acid in combination with mechanical straightening with hair straightening iron at temperature of approximately 200° C.+/?50° C.