Abstract: The invention relates to a process for straightening keratin fibres, comprising: (i) a step in which a straightening composition containing at least two denaturing agents is applied to the keratin fibres, (ii) a step in which the temperature of the keratin fibres is raised, using a heating means, to a temperature of between 110 and 250° C.

Abstract: A skin microbiota modulation device that includes a cold plasma assembly configured to generate a cold plasma stimulus including a partially ionized gas mixture and to interrogate a biological surface with the cold plasma stimulus; and a microbiota seeding assembly including one or more target species of micobiota, the microbiota seeding assembly configured to deliver the one or more target species of micobiota to the biological surface.

Abstract: A device for delivering a cosmetic filler composition to the skin including a base carrying a plurality of hollow microneedles, in which each microneedle has an external largest transverse dimension less than or equal to 1500 micrometers, and the microneedles include a filler composition.

Abstract: A device for delivering to the skin, scalp, or lips a skin-coloring cosmetic composition, in particular for correcting a skin color disorder or performing a permanent or long-lasting make-up that includes a base carrying a plurality of resorbable microneedles for delivering the composition. The device being having a length (Ln) of each microneedle (3) that is less than or equal to 50 mm, and the microneedles include a skin-coloring cosmetic composition.

Abstract: The invention concerns a method for straightening keratinous fibers including: (i) a step of applying on the keratinous fibers a hair straightening composition containing at least one polyhydroxylated aromatic compound, (ii) a step of increasing the temperature of the keratinous fibers, using heating means, to a temperature ranging between 110 and 250° C.

Abstract: The invention concerns a method for straightening keratinous fibers including: (i) a step of applying on the keratinous fibers a hair straightening composition containing at least one alpha-hydroxy and/or keto acid derivative, the pH of said composition being not more than 9 (ii) a step of increasing the temperature of the keratinous fibers, using heating means, to a temperature ranging between 110 and 250° C.

Abstract: The invention concerns a method for straightening keratinous fibers including: (i) a step of applying on the keratinous fibers a hair straightening composition containing at least one alpha-hydroxy and/or keto acid derivative, the pH of said composition being not more than 9 (ii) a step of increasing the temperature of the keratinous fibers, using heating means, to a temperature ranging between 110 and 250° C.

Abstract: The invention concerns a method for straightening keratinous fibers including: (i) a step of applying on the keratinous fibers a hair straightening composition containing at least one polyhydroxylated aromatic compound, (ii) a step of increasing the temperature of the keratinous fibers, using heating means, to a temperature ranging between 110 and 250° C.

Abstract: The invention relates to a cosmetic treatment process, in particular for caring for or making up keratin materials, comprising the following steps: a) a step of applying, to the keratin materials, a cosmetic composition comprising a compound comprising at least 2 maleimide groups; b) a step of applying a cosmetic composition comprising a compound comprising at least 2 furfuryl groups. The invention also relates to a kit comprising the two compositions, enabling said process to be carried out. The invention also relates to copolymers furfuryl (meth)acrylate, specifically (meth)acrylamide, and addition monomer chosen from polyethylene glycol (meth)acrylates and polydimethylsiloxanes with mono(meth)acryloyloxy end group.

Abstract: The invention concerns a method for straightening keratinous fibers including: (i) a step of applying on the keratinous fibers a hair straightening composition containing at least one alpha-hydroxy and/or keto acid derivative, the pH of said composition being not more than 9 (ii) a step of increasing the temperature of the keratinous fibers, using heating means, to a temperature ranging between 110 and 250° C.

Abstract: The invention relates to a process for straightening keratin fibres, comprising: (i) a step in which a straightening composition containing at least two denaturing agents is applied to the keratin fibres, (ii) a step in which the temperature of the keratin fibres is raised, using a heating means, to a temperature of between 110 and 250° C.

Abstract: The invention relates to a cosmetic treatment process, in particular for caring for or making up keratin materials, comprising the following steps: a) a step of applying, to the keratin materials, a cosmetic composition comprising a compound comprising at least 2 maleimide groups; b) a step of applying a cosmetic composition comprising a compound comprising at least 2 furfuryl groups. The invention also relates to a kit comprising the two compositions, enabling said process to be carried out. The invention also relates to copolymers furfuryl (meth)acrylate, specifically (meth)acrylamide, and addition monomer chosen from polyethylene glycol (meth)acrylates and polydimethylsiloxanes with mono(meth)acryloyloxy end group.

Abstract: A skin microbiota modulation device that includes a cold plasma assembly configured to generate a cold plasma stimulus including a partially ionized gas mixture and to interrogate a biological surface with the cold plasma stimulus; and a microbiota seeding assembly including one or more target species of micobiota, the microbiota seeding assembly configured to deliver the one or more target species of micobiota to the biological surface.

Abstract: The invention concerns a method for straightening keratinous fibers including: (i) a step of applying on the keratinous fibers a hair straightening composition containing at least one cyclic or linear amide, (ii) a step of increasing the temperature of the keratinous fibers, using heating means, to a temperature ranging between 110 and 250° C.

Abstract: The invention concerns a method for straightening keratinous fibers including: (i) a step of applying on the keratinous fibers a hair straightening composition containing at least one alpha-hydroxy and/or keto acid derivative, the pH of said composition being not more than 9 (ii) a step of increasing the temperature of the keratinous fibers, using heating means, to a temperature ranging between 110 and 250° C.

Abstract: The invention relates to a process for relaxing keratin fibers by applying to the keratin fibers a relaxing composition containing at least one denaturing agent with a molecular mass of greater than 18.1 g/mol, present in a molar concentration of between 1M and 8M, and raising the temperature of the keratin fibers to a temperature of between 110 and 250° C.

Abstract: The invention concerns a method for straightening keratinous fibers including: (i) a step of applying on the keratinous fibers a hair straightening composition containing at least one alpha-hydroxy and/or keto acid derivative, the pH of said composition being not more than 9 (ii) a step of increasing the temperature of the keratinous fibers, using heating means, to a temperature ranging between 110 and 250° C.

Abstract: The invention concerns a method for straightening keratinous fibers including: (i) a step of applying on the keratinous fibers a hair straightening composition containing at least one alpha-hydroxy and/or keto acid derivative, the pH of said composition being not more than 9 (ii) a step of increasing the temperature of the keratinous fibers, using heating means, to a temperature ranging between 110 and 250° C.

Abstract: The invention concerns a method for straightening keratinous fibers including: (i) a step of applying on the keratinous fibers a hair straightening composition containing at least one alpha-hydroxy and/or keto acid derivative, the pH of said composition being not more than 9 (ii) a step of increasing the temperature of the keratinous fibers, using heating means, to a temperature ranging between 110 and 250° C.

Abstract: The invention concerns a method for straightening keratinous fibers including: (i) a step of applying on the keratinous fibers a hair straightening composition containing at least one alpha-hydroxy and/or keto acid derivative, the pH of said composition being not more than 9 (ii) a step of increasing the temperature of the keratinous fibers, using heating means, to a temperature ranging between 110 and 250° C.