Abstract: The invention relates to a cosmetic product refill (20) for a hair treatment device (1), comprising an applicator member (26) saturated with an aqueous composition, wherein the applicator member has a density of between 0.11 and 0.25 g/cm3 and the aqueous composition has a viscosity of between 4, preferably 5, and 100 centipoise, at 22° C. The invention also relates to a hair treatment device provided with such a refill.

Abstract: The invention relates to a cosmetic product refill (20) for a hair treatment device (1), comprising an applicator member (26) impregnated with an anhydrous composition, notably an oil, wherein the applicator member has a density of between 0.11 and 0.25 g/cm3 and the anhydrous composition has a viscosity of between 100 and 600 centipoise, preferably between 100 and 500 centipoise, at 22° C. The invention also relates to a hair treatment device provided with such a refill.

Abstract: A device for treating at least one lock of hair, comprising: —at least one device (20) for applying mechanical stress to the hair, having a reception surface intended to receive the lock of hair, this surface being greater in width L in a direction perpendicular to said lock, —a microwave-proof chamber which is configured so as to receive the mechanical-stress-application device (20) and at least one part of the hair to be treated, —a microwave emission antenna (30) placed inside the chamber, this antenna extending axially over a distance D at least equal to L/2.

Abstract: The invention relates to a cosmetic product refill (20) for a hair treatment device (1), comprising an applicator member that is saturated with liquid cosmetic product, with a degree of filling less than or equal to 90%, preferably less than or equal to 80%>, more preferably less than or equal to 70%, the degree of filling being defined as the ratio of the mass of cosmetic product in the applicator member divided by the maximum mass of cosmetic product with which the applicator member can be saturated.

Abstract: The invention concerns a device (10) for treating the hair, comprising two arms (12, 4) that are able to move relative to one another between a first opened configuration for inserting hair between the arms (12, 14) and a second closed configuration for treating the hair, at least one of the arms (12, 14) comprising: —a shell, —a support housed in said shell, —a treatment plate supported by the support, —an electrical heating element received in a housing defined between the support and an inner face of the treatment plate, —a first sealing element sandwiched between the support and the treatment plate, —a second sealing element, wherein the second sealing element is sandwiched between the support and the shell.

Abstract: The present invention relates to a general process for treating keratin substances, preferably keratin fibres, comprising the following steps: c) applying to the keratin substances a composition comprising at least one photo-crosslinkable polymer including at least one photo-dimerizable pendant group and at least one hydrophobic pendant group, and d) irradiating said composition on the keratin substances to crosslink the polymer.

Abstract: The appliance for treating the hair, having two arms to be closed over the hair to be treated, at least one of the arms carrying a refill of hair treatment product, the appliance having an electronic control circuit with an electronic memory, this circuit being designed to detect the closure of the arms and the fitting of the refill, the appliance having a steam generator for outputting steam onto the hair and at least one heated straightening plate, the appliance being designed to increment a variable in the memory during the use of the appliance after the refill has been changed and to pass into a downgraded mode of operation in which the operation of the steam generator and/or of the straightening plate is modified when the variable exceeds a first predefined threshold.

Abstract: The present invention relates to a process for bleaching or dyeing keratin fibers, in particular human keratin fibers such as the hair, comprising a step of application, to said fibers, of a composition (A) containing one or more chemical oxidizing agents and a step of irradiation of said fibers by means of UV-visible radiation having a wavelength ranging from 200 to 800 nm and a fluence ranging from 1 to 5000 J/cm2, after application of said composition (A); when the process is a process for dyeing keratin fibers, then one or more oxidation dyes is or are also used.

Abstract: The present invention relates to a process for treating the hair, which comprises: a) the application to the hair of a composition comprising one or more polymers containing a silicone unit bearing alkoxy-(aminomethyl)-silyl functional groups, b) the application to the hair of steam by means of a device that is capable of generating steam, step b) possibly preceding, following or being simultaneous with step a).

Abstract: The invention relates to a device for treating the hair and to the corresponding application method, the device (2) comprising: —two arms (5, 6) that are able to move relative to one another between a moved-together configuration for treating the hair and a spaced-apart configuration for inserting hair to be treated between said arms, and —a system (18) for applying a product, comprising an applicator member (26) for applying the product, the application system (18) being mounted on one of the arms (5) and being able to move relative to said arm (5) between at least two positions generating, while the device (2) is being used to treat the hair, different respective application pressures of the applicator member (26) on the hair to be treated.

Abstract: The present invention relates to a cosmetic hair treatment method comprising at least the steps consisting of: a) applying a mechanical tension to said hair, b) exposing said hair under mechanical tension to microwaves, in the presence of a solvent in vapor form in contact with said hair, without complete drying of the hair during microwave exposure, the solvent in vapor form being entirely generated by the evaporation of a compound which is present, before emission of the microwaves, in contact with the treated hair.

Abstract: The invention relates to a cosmetic process for treating keratin fibers, preferably the hair, comprising at least the steps consisting in: a) applying to said keratin fibers a composition containing at least one substance chosen from fatty substances, non-silicone polymers and surfactants, b) applying a mechanical tension to said keratin fibers, and c) exposing said keratin fibers under mechanical tension to microwaves, at a pressure ranging from 50 000 to 250 000 Pa, in the presence of at least one solvent in vapor form on contact with the keratin fibers and without there being complete drying of the keratin fibers throughout the entire exposure to the microwaves, the solvent(s) in vapor form being entirely generated by evaporating at least one compound present, before emission of the microwaves, on contact with the keratin fibers, step a) taking place prior to step c).

Abstract: The invention relates to a cosmetic process for treating keratin fibers, preferably the hair, comprising at least the steps consisting in: a) applying to said keratin fibers a composition containing at least one substance chosen from fatty substances, non-silicone polymers and surfactants, b) applying a mechanical tension to said keratin fibers, and c) exposing said keratin fibers under mechanical tension to microwaves, at a pressure ranging from 50 000 to 250 000 Pa, in the presence of at least one solvent in vapor form on contact with the keratin fibers and without there being complete drying of the keratin fibers throughout the entire exposure to the microwaves, the solvent(s) in vapor form being entirely generated by evaporating at least one compound present, before emission of the microwaves, on contact with the keratin fibers, step a) taking place prior to step c).

Abstract: The present invention relates to a process for bleaching or dyeing keratin fibres, in particular human keratin fibres such as the hair, comprising a step of application, to said fibres, of a composition (A) containing one or more chemical oxidizing agents and a step of irradiation of said fibres by means of UV-visible radiation having a wavelength ranging from 200 to 800 nm and a fluence ranging from 1 to 5000 J/cm2, after application of said composition (A); when the process is a process for dyeing keratin fibres, then one or more oxidation dyes is or are also used.

Abstract: A process for treating hair fibers comprising: applying to the hair fibers at least one cosmetic composition comprising, in a cosmetically acceptable medium, at least one polysiloxane/polyurea block copolymer; and subsequently or simultaneously heating the hair fibers at a temperature ranging from 50 to 280° C.

Abstract: A device for treating hair, including two arms configured to move relative to one another between a moved-together configuration for treating the hair and a spaced-apart configuration for inserting hair to be treated between the arms. At least one of the arms includes a seal.

Abstract: The present invention relates to an assembly comprising:—a styling tool (5), in particular a straightening iron, to be moved along a lock of hair to which water and/or a cosmetic composition has been applied, and—a collecting device (7) coupled to the styling tool so as to collect a runoff generated during the movement of the tool over the hair on account of the presence of water and/or said composition on the hair, the collecting device having a reservoir (9) for picking up the runoff.

Abstract: A spray system including an airbrush; one or more removable containers that are closed initially, and that each contain a composition for spraying onto human keratinous materials; and a junction device that connects the container to the airbrush, the device including at least a composition-outlet first orifice enabling the composition to leave the container in order to be sprayed via the airbrush, and at least an air-inlet second orifice enabling air intake by the container.

Abstract: A device for cosmetic treatment of human keratin materials, including: a handpiece that includes an electrical assembly, and an application member that is fixed to the handpiece and defines an application surface, the application surface having an area of between 50 and 200 mm2, or between 70 and 150 mm2, and the handpiece is configured to generate a thermal amplitude of greater than or equal to 5° C. between the keratin materials and the application surface for a duration of at least 5 minutes, or a thermal amplitude of greater than or equal to 20° C. for a duration of at least 5 minutes.

Abstract: The present invention relates to the cosmetic use of a cold atmospheric plasma for preventing and/or treating aesthetis disorders of the healthy scalp.