Abstract: The present invention relates to a cosmetic refill (20) intended to be inserted in a removable manner into a housing in a system (2) for treating the hair, comprising: —a hair product reservoir comprising an opening, —a porous application member (26) extending partially into the reservoir through the opening, the application member (26) being fixed in the reservoir when the refill (20) is used.

Abstract: An applicator for applying a cosmetic composition to human keratinous materials, the applicator including a base having a reception zone and an electric heater element having two opposite sides; and an applicator unit that includes a support that extends along a longitudinal axis, that is fastened in removable manner on the reception zone, and that carries a mass of cosmetic composition that presents an application face that is suitable for coming into contact with keratinous materials; the mass of composition having a greatest dimension that is less than 40 mm, extending on only one side of the electric heater element, and the support with the casted mass of composition being fastened in a removable manner on the reception zone.

Abstract: The present invention relates to an applicator for applying a cosmetic composition to human keratinous materials, the applicator comprising: a base including a reception zone and an electric heater element having two opposite sides; and an applicator unit comprising a support that extends along a longitudinal axis, that is fastened in removable manner on the reception zone, and that carries a mass of cosmetic composition that presents an application face that is suitable for coming into contact with keratinous materials; the mass of composition having a greatest dimension that is less than 40 mm, extending on only one side of the electric heater element, and being carried by the support before fastening the unit on the base.