Device for preparing a cosmetic composition and associated process

#This application is a National Phase filing under 35 U.S.C. § 371 of PCT/EP2019/063320 filed on 23 May 2019; which application in turn claims priority to Application No. 18 54306 filed in France on 23 May 2018. The entire contents of each application are hereby incorporated by reference.

#The present invention relates to a device for preparing a cosmetic composition, the device comprising: a structure defining a housing receiving removably at least one capsule, the or at least one of the capsules containing at least one constituent of the cosmetic composition, an outlet nozzle opening at one end of the housing, suitable for being fluidically connected to an opening of a receptacle or to a preform intended to form the receptacle, and a piston movable in translation in relation to the structure in the housing, the piston comprising at least one piston head arranged in the housing, the piston being suitable for perforating the or each capsule on either side, and conveying contents of each capsule to the outlet nozzle.

#The invention also relates to a process for preparing such a cosmetic composition.

#Further features and advantages of the invention will emerge after reading the following description given solely as an example with reference to the appended drawings in which:

#FIGS. 1 to 4 are longitudinal sectional views of a device according to the invention during successive steps of a process for preparing a cosmetic composition;

#FIGS. 5 and 6 are perspective views of two capsules according to the invention;

#A device 10 for preparing a cosmetic composition 12 is represented in FIGS. 1 to 4. The device 10 is suitable for preparing the cosmetic composition 12, by conveying toward the receptacle 14 and mixing a plurality of constituents of the cosmetic composition 12 contained in at least one capsule 16, and advantageously in a plurality of capsules 16.

#The cosmetic composition 12 particularly comprises a cosmetic body surface makeup, care and/or coloring product. The composition 12 is prepared from a plurality of predetermined constituents, in predetermined precise proportions.

#The constituents of the cosmetic composition comprise for example one or a plurality of liquids, of varied viscosities, aqueous or organic in nature. The constituents also comprise for example one or a plurality of solids such as powders, particles and/or fibers. Finally, the constituents comprise for example gels, emulsions, creams, foams, or others.