FR3031296A1 - COSMETIC COMPOSITION COMPRISING LOADS COATED WITH A THERMOFUSIBLE MATERIAL - Google Patents

Abstract

The present invention relates to a cosmetic composition for makeup and / or care of the keratinous material comprising fillers coated, on at least a part of their surface, with a continuous or discontinuous layer of hot melt material having a melting point greater than 35. ° C.

Description

The present invention relates to the field of cosmetic compositions for makeup and / or care of keratinous material, and in particular keratinous fibers. The keratin material includes skin, nails, and keratin fibers such as hair, eyebrows and eyelashes.

The compositions and methods according to the invention are more particularly intended for natural keratin fibers such as eyelashes, eyebrows and hair, as well as for synthetic fibers such as false eyelashes and hairpieces. The cosmetic compositions according to the invention may in particular be make-up products, makeup bases, products to be applied to a make-up, so-called top-coats, or products for the cosmetic treatment of keratin fibers. The invention relates in particular to a mascara. The application of mascara is a method conventionally used to beautify eyelashes. A composition of mascara, thick formulation, rich in non-volatile matter and containing a coloring material, is applied along the eyelashes to make them more visible by thickening them. To give shine to the keratinous material, in particular to the skin, the hair or the eyelashes, fillers, in particular particles reflecting light, can be introduced into cosmetic compositions. However, the design of cosmetic compositions comprising fillers, in particular comprising particles that reflect light, makes it necessary to determine suitable composition characteristics to enable the charges to be maintained on the treated keratinous material for a long time. In addition, for cosmetic compositions in which light reflecting charges are introduced, compositional characteristics which make it possible to impart shine properties to these compositions must be determined.

In particular, to give shine to the eyelashes, fillers, in particular light reflecting particles, can be introduced into mascara compositions. However, the design of mascara compositions comprising fillers, in particular of light-reflecting particles, makes it necessary to determine the appropriate composition characteristics, as described above.

With particular reference to mascara compositions comprising fillers capable of imparting a shiny appearance to the eyelashes to which they are applied, their design requires the determination of the appropriate characteristics making it possible to promote the maintenance of the loads on the surface of the eyelashes, while retaining their ability to reflect the light. In general, there is a need for make-up and / or skincare compositions for keratin fibers comprising any type of filler, which can adhere to the keratinous fibers and remain in place over time. In particular, there remains today a need for cosmetic compositions, in particular for mascara compositions, which comprise fillers and which make it possible to fix these fillers on the keratinous material, in particular on keratinous fibers such as hair and eyelashes, sufficiently stable in time.

The present invention provides such cosmetic compositions. Surprisingly, it is shown according to the invention that, for cosmetic compositions comprising fillers, these fillers adhere appropriately to the keratinous material on which these cosmetic compositions are applied, in particular to keratinous fibers, including eyelashes, when said fillers have been coated with a layer of a thermofusible material, and that the keratinous material on which the cosmetic composition is applied is subjected to a step of fixing the charges by heating. In particular, it is shown according to the invention that when charges having the property of reflecting light, are coated with a thermofusible material, and introduced into a cosmetic composition, these fillers adhere to the keratinous material on which the composition is applied, in particular to keratinous fibers, by means of a fixing step by heating and give a glossy appearance to the keratinous material on which the composition is applied. Polymers coated with polymers have already been described in the prior art, in particular to make them more resistant during their storage and transport (US 4,116,628). Pre-treatment of mica particles has also been described to promote their incorporation into inks (US 5,993,526). Particles of mica coated with film-forming silicone resin have also been described in application WO 2008/066243, these particles being able to be incorporated into mascara compositions. This resin has a melting temperature of 300 ° C to 350 ° C.

Although it is not relative to the same technical problem, the application WO 2013/030485 describes mascaras comprising both film-forming polymers and dyestuffs such as pigments, this mascara being in powder form and to be heated for to be applied on the eyelashes. The mascara composition described in application WO 2013/030485 consists of a simple mixture comprising film-forming polymers and dyestuffs such as nacres. In this composition, the particulate fillers are dispersed in an unordered manner in the bulk of the constituents, in particular polymeric constituents. This patent application does not describe the preparation of fillers coated with a layer of hot melt material.

Thus, fillers coated with a thermofusible material having a melting temperature of greater than 35 ° C., as well as cosmetic compositions comprising them, have, to the applicant's knowledge, never been described in the state of the art. The present invention relates to a cosmetic makeup and / or care composition of keratinous material comprising fillers coated, on at least a part of their surface, with a continuous or discontinuous layer of a thermofusible material, said thermofusible material having a melting point above 35 ° C. By "greater than" is meant "greater than or equal to", preferably "strictly greater than".

For example, the melting temperature of the hot-melt material is between 35 ° C. and 120 ° C., better still ranging from 40 ° C. to 110 ° C., more particularly ranging from 45 ° C. to 100 ° C., for example ranging from 50 ° C. C at 85 ° C. However, preferably, a hot melt material whose melting temperature is between 35 ° C and 70 ° C, and is most preferably between 40 ° C and 60 ° C.

A cosmetic composition according to the invention includes makeup compositions, base coating cosmetic compositions also called "base-coats", compositions for application to a cosmetic base coat composition, called "top-coats". According to a particular embodiment, a cosmetic composition according to the invention may be a composition intended to be applied to the eyelashes, also called "mascara". The mascara is more particularly intended for natural eyelashes, but also for eyelashes made of synthetic material also known as "false eyelashes".

In particular, the present invention relates to a mascara composition intended to be applied to the eyelashes, comprising fillers coated on at least a part of their surface, of a continuous or discontinuous layer of a thermofusible material, said material hot melt having a melting point above 35 ° C.

Charges For the purposes of the invention, the term "charges" denotes any type of mineral or organic fillers of any shape, platelet, spherical or oblong, irrespective of the crystallographic form (for example sheet, cubic, hexagonal, orthorhombic, etc.) which includes solid particulate fillers and hollow particulate fillers. Preferably, the charges consist of a non-heat-fusible material at a temperature below 100 ° C. Particularly advantageous in the context of the invention are particulate fillers such as nacres. Nacres "Nacres" or "pearlescent pigments" must be understood to mean colored particles of any shape, iridescent or not, in particular produced by certain shellfish or synthesized, and which exhibit a color effect by optical interference. The size of mother-of-pearl is conventionally between 5 and 200 μm, their thickness being less than 2 μm. Nacres are made of mineral, organic, or hybrid material.

The nacres may be chosen from white pearlescent pigments such as mica coated with titanium or bismuth oxychloride, colored pearlescent pigments such as titanium mica with iron oxides, titanium mica with ferric blue or chromium oxide, titanium mica with an organic pigment of the aforementioned type as well as pearlescent pigments based on bismuth oxychloride.30 Layer of hot melt material The hot melt material is present in the form of a layer of this material which covers at least a portion of the surface of the charges, which includes a layer of said hot melt compound which covers the entire surface of the charges. The term "layer" also means that, in a cosmetic composition according to the invention, the hot-melt material does not constitute a mass of hot-melt material in which the charges are dispersed. As shown in FIG. 1A, the coating of the charges with a layer of hot-melt material makes it possible to obtain a cosmetic composition in which, after its application on keratinous fibers, the coated fillers are individualized and substantially ordered because of the 'application step. On the contrary, fillers which would simply be dispersed in the mass of a hot-melt material are not individualized and are not ordered, which reduces their ability to impart to the composition which contains them a glossy appearance (FIG. 1B). A cosmetic composition according to the invention therefore totally differs, in its characteristics and in the technical effects that it provides, from the composition described in the application WO 2013/030485, which does not allow individualization of the charges or good positioning of the charges. along the eyelashes as shown in Figure 1B. Indeed, this composition described in the application WO 2013/030485 is indeed prepared in the form of mass, which is then divided to obtain a powder. For the purposes of the invention, a hot-melt material is a material that melts or becomes fluid under the effect of heat. The hot melt material is solid at a temperature below its melting temperature.

The melting temperature of the hot-melt material must be compatible with a heating temperature of the keratinous material on which the cosmetic composition is applied which does not cause a feeling of discomfort for the user, nor does it cause deterioration of the material keratin, for example the skin or keratinous fibers such as hair or eyelashes.

In particular, the heating temperature should be slightly higher than the melting temperature of the hot melt material.

Preferentially, a hot melt material whose melting temperature is between 35 ° C. and 70 ° C. is used, and is very preferably between 40 ° C. and 60 ° C. Exposure to a heat source, at a suitable temperature slightly greater than the melting temperature of the hot melt material, of the surface of keratinous material on which the cosmetic composition is applied, causes the melting or at least the softening of the hot melt coating material the charges, which promotes the adhesion of these charges to the surface of the keratinous material. Then, the maintenance in place of the charges having adhered to the surface of keratin material is obtained after stopping the exposure to the heat source, because the decrease of the temperature of the hot-melt material to a temperature below its temperature melting causes the solidification thereof and makes the coated charges integral with the keratinous material on which the cosmetic composition has been applied. The melting point of the hot-melt material can be measured using a differential scanning calorimeter (D.S.C.), for example the calorimeter sold under the name DSC 30 by the company METLER. A sample of 15 mg of product placed in a crucible is subjected to a first temperature rise from 0 ° C. to 120 ° C., at a heating rate of 10 ° C./min, and is then cooled from 120 ° C. to 0 ° C. ° C at a cooling rate of 10 ° C / minute and finally subjected to a second temperature rise from 0 ° C to 120 ° C at a heating rate of 5 ° C / minute. During the second temperature rise, the variation of the power difference absorbed by the empty crucible and the crucible containing the product sample is measured as a function of the temperature. The melting point of the compound is the value of the temperature corresponding to the peak apex of the curve representing the variation of the difference in power absorbed as a function of the temperature.

The hot-melt material used to coat the fillers included in a cosmetic composition according to the invention may be chosen from a hot-melt polymer and / or a wax. In some embodiments, the hot melt material is a hydrophobic material. In embodiments in which the hot melt material is a mixture of materials, said blend preferably comprises only hydrophobic materials, including hydrophobic hot melt polymers and / or hydrophobic waxes.

In some embodiments, the hot melt material comprises, or consists of, a hot melt polymer and / or a wax, or a blend of hot melt polymers and / or waxes. In some embodiments, the hot melt material comprises, or consists of, a blend of at least two hot melt polymers. In some embodiments, the hot melt material comprises, or consists of, a mixture of at least two waxes. In some embodiments, the hot melt material comprises, or consists of, a blend of at least one hot melt polymer, and at least one wax. In some embodiments, the hot-melt material is selected from polyethylene vinyl acetate, polyethylene wax, beeswax, paraffin wax, cetyl alcohol (cetyl alcohol) or a mixture thereof as shown herein. -above.

Hot Melt Polymers According to the invention, the term "thermofusible polymer" or "thermoplastic polymer" denotes a polymer that melts or softens when it is brought to a certain temperature, namely its melting point. As hot-melt polymer, there may be mentioned in particular polyethylene vinyl acetate whose melting point varies depending on the amount of vinyl acetate present in the polymer: the higher the proportion of vinyl acetate, the higher the melting temperature is. low. For example, a polyethylene vinyl acetate comprising 40% vinyl acetate will have a melting point of about 47 ° C; while a polyethylene vinyl acetate comprising 28% vinyl acetate will have a melting point of about 75 ° C. Mention may also be made of polyalkene glycols and copolymers of vinylpyrrolidone and of alkene. According to the invention, the chosen polymers, used as hot melt material, have a melting temperature of greater than about 35 ° C, and preferably between 40 ° C and 60 ° C.

It is clear to those skilled in the art that polymers such as polyvinylpyrrolidone (PVP) which has a melting point between 150 ° C and 180 ° C, is not a thermofusible polymer within the meaning of the invention. According to an advantageous embodiment, the composition according to the invention comprises nacres coated, on at least a part of their surface, with a continuous or discontinuous layer of a hot-melt polymer having a melting point greater than 35 ° C. Waxes A wax within the meaning of the invention is a substance having the following properties: it is a compound which is solid at ambient temperature and has a melting point of at least greater than 35 ° C., with a change of solid / liquid state reversible, having a high plasticity, a low viscosity when melted, and being hydrophobic that is to say insoluble in water. Wax is a chemically very stable body and its properties do not change over time. The waxes, within the meaning of the invention, may be those used generally in the cosmetic or dermatological fields. They may especially be polar or apolar, hydrocarbon, silicone and / or fluorinated, and these may include ester, acid or hydroxyl functions.

The waxes that may be used in the cosmetic compositions according to the invention are chosen in particular from waxes of animal, vegetable, mineral or synthetic origin, and mixtures thereof. There may be mentioned hydrocarbon-based waxes such as beeswax, lanolin wax, and Chinese insect waxes; rice wax, Carnauba wax, Candelilla wax, Ouricurry wax, Alfa wax, cork fiber wax, sugar cane wax, Japanese wax and sumac wax ; montan wax, microcrystalline waxes, paraffin wax and ozokerite; polyethylene waxes, waxes obtained by Fisher-Tropsch synthesis and waxy copolymers and their esters. Mention may also be made of waxes obtained by catalytic hydrogenation of animal or vegetable oils having linear or branched C8-C32 fatty chains. Among these, there may be mentioned hydrogenated jojoba oil, hydrogenated sunflower oil, hydrogenated castor oil, hydrogenated coconut oil and hydrogenated lanolin oil. Cetyl alcohol, also known as nhexadecanol, produced from vegetable oils such as palm oil or coconut oil can also be mentioned.

The waxes entering the composition have a melting point of greater than about 35 ° C., preferably between about 40 ° C. and about 60 ° C. According to an advantageous embodiment, the composition according to the invention comprises nacres coated, on at least a part of their surface, with a continuous or discontinuous layer of a wax having a melting point greater than 35 ° C. Material / Filler Ratio According to a preferred aspect of the invention, the hot melt material is distributed over the surface of each filler in a thickness of 0.1 μm to 4 μm, preferably 0.4 to 2 μm thick. According to a first aspect of the invention, the layer of hot melt material is continuous. According to a second aspect of the invention, the layer of hot melt material is discontinuous.

The layer of hot-melt material may in particular cover the load on at least 40%, 50%, 60%, 70%, 80%, 90% of its surface (discontinuous layer) and up to 100% of its surface (continuous layer ). The layer of hot melt material may cover all the faces of the load, or a selection of the faces of the load, in particular one face in two.

The hot melt material and fillers are combined in a weight ratio of hot melt material to specific charges. In certain embodiments, the ratio by weight of hot melt material with respect to the weight of the filler is between 0.1 and 6, that is to say that the weight of the hot melt material is between 10% and 600% of the weight of the loads, the limit values being in the range. According to an advantageous embodiment, the ratio by weight of thermofusible material with respect to the weight of the charges is between 0.2 and 2, that is to say that the weight of the hot-melt material is between 20% and 200% the weight of the charges, the limit values being in the range. According to an even more advantageous embodiment, the ratio by weight of hot melt material with respect to the weight of the charges is between 0.3 and 1, that is to say that the weight of the hot melt material is between 30% and 100% of the weight of the loads, the limit values being in the range. The ratio by weight of hot-melt material to the weight of the charges is in particular of at least 20%, 25%, 30%, 35%, 40%, 45%, 50%, 55%, 60%, 65%. %, 70%, 75%, 80%, 85%, 90%, 95% or 100%.

Cosmetic Compositions The cosmetic make-up and / or care composition of keratin materials, in particular keratinous fibers, according to the invention can be in various forms and in particular in the form of a gel, a paste, a cream, thickened aqueous or organic gels, emulsion, microemulsion, nanoemulsion, or dispersion. Preferably, all or part of the cosmetic composition consists of volatile compounds, that is to say compounds which have a boiling point below 200 ° C, and preferably below 120 ° C.

These compounds may be used to ensure a certain resistance of the coated charges during handling and deposit on the eyelashes, and this before the application of the heat source. The latter will then have two virtues: solder the charges by melting the fusible material, and evaporate the solvents present in the composition. The cosmetic composition of the invention may comprise, in addition, any additive usually used in cosmetics. Of course, those skilled in the art will take care to choose the possible additional cosmetic additives, and / or their quantity in such a way that the advantageous properties of the cosmetic composition according to the invention are not or not substantially impaired by the addition envisaged.

By way of illustration of these additives, antioxidants, preservatives, perfumes, neutralizers, thickeners, vitamins and their mixtures may be mentioned.

The present invention also relates to a makeup kit comprising: a cosmetic composition for makeup and / or care of keratin fibers as described above, packaged in a reservoir, a suitable applicator, and heating means for carrying said composition, simultaneously or after its application, at a temperature above the melting point of the hot-melt material that it contains.

In particular, the composition according to the invention may be packaged in a container defining at least one compartment which comprises said composition, said container being closed by a closure element. The tank can be in any suitable form. It may especially be in the form of a bottle, a tube, a jar, a case, a box, a bag or a case.

The reservoir is associated with an applicator, in particular an applicator adapted for the eyelashes, more particularly in the form of a brush or a comb. The makeup kit also comprises heating means for carrying said composition, simultaneously or after its application, at a temperature above the melting point of the hot-melt material that it contains.

According to one embodiment, the applicator comprises heating means for heating the keratinous fibers. According to another embodiment, the heating means are formed by a device separate from the applicator. The heating means may be of the type described in US Pat. No. 6,009,884 or US Pat. No. 5,853,010. Other devices configured in the form of a heating tong may also be used. Such devices are described in particular in US Pat. No. 6,220,252. The heating means may be of the type of an apparatus that dispenses heat by thermal contact, a device that sends hot air, a apparatus that heats by radiation, including an infra-red or ultrasonic apparatus.

In a particular embodiment, the heating means comprise contacting two chemical elements that generate heat by mixing them. In a particular embodiment, the makeup kit is provided with a means of controlling the temperature, and / or means of confining the heat, for example by enclosing the assembly. Advantageously, the heating means comprise additional elements such as a switch for turning on or off the device, and / or a light indicating that the device is at the temperature required for heating the keratinous fibers. The present invention also relates to a process for making up and / or caring for keratinous material, and in particular eyelashes, comprising the following successive steps: a) Application to the keratin material of the cosmetic composition as defined in b) Exposure of the keratinous material coated with said composition to a source of heating heat at a temperature above the melting point of the hot-melt material of said composition, in particular greater than 35 ° C., for example greater than 40 ° C., and especially between 40 ° C and 300 ° C, in particular from 40 ° C to 200 ° C, in particular 45 ° C and 150 ° C, even more particularly from 50 ° C to 120 ° C, this heat being intended melting the hot melt material, and c) cooling the keratin material after complete melting of the hot melt material. This last step causes adhesion between the charges at the time of the temperature drop. Step a) of application to the keratinous material of the composition, that is to say fillers coated with hot-melt material, may be carried out in different ways: The coated fillers may be contained in a fluid formula, as a gel, paste, or cream, as described above. Preferably the composition consists mainly of volatile compounds which will evaporate before, during or just after the application of the composition (step b). - The coated fillers can be contained in a "solid" formula. It will then be a "solid" application. Solid application is understood to mean that the fillers are applied alone or with other solids, for example by bringing these materials into contact with the eyelash. It is applied on a naked eyelash or pre-coated eyelash with a sticky composition such as an adhesive composition or mascara. The heating step b) is carried out in such a way that the hot-melt material is at least softened until it gives a sticky appearance. In particular, the applied temperature is greater than the melting temperature of the hot-melt material, in particular greater than 40 ° C. The heating temperature will preferably be greater than 40 ° C, or even greater than 60 ° C, or even greater than 80 ° C, or even greater than 100 ° C, or even greater than 120 ° C, provided that the keratin materials on which are applied the composition are able to withstand this heat and that these keratin materials are not close to a heat sensitive sensitive area, such as eyelashes close to the cornea of the eye. For example, for an application of a composition according to the invention on the eyelashes, this heating temperature is advantageously between 40 ° C. and 80 ° C., preferably between 45 ° C. and 75 ° C., better still between 50 ° C. C and 70 ° C.

It should be noted that the heating does not lead to significant melting of the charges by themselves. In a particular embodiment of the invention, the fluid or solid formula containing the coated fillers is applied by an applicator comprising heating means. In this particular mode, steps a) and b) are almost confounded, since the melting step (step b) occurs almost immediately after the application step. Cooling step c) is completed when the temperature has returned below the melting temperature. Advantageously, during the application of the composition according to the invention the keratin material, the fillers adhere to each other, with a minimum of hot melt material remaining on their surface (see FIG. 1A). The brightness and the flickering effect of this makeup and / or care composition after application to the keratin material are very good. Similarly, the mechanical resistance to gravity and friction of this composition is very satisfactory. According to a particular embodiment of the invention, it is possible to reinforce the fixation of the charges on the keratinous material by prior application on said material of a thin layer of a polymeric compound before the application of the composition comprising the coated fillers. The make-up removal can be carried out according to a conventional method using makeup-removing compositions. Makeup removal may also be performed by heating the composition previously applied to the keratinous fibers. The present invention also relates to a method for manufacturing charges coated with hot-melt material, comprising the following successive steps: a) spraying, on the upper surface of the charges distributed on a support, a composition comprising between 0, 5% and 5% of hot melt material having a melting point above 35 ° C in a suitable solvent; b) drying the coated fillers. According to one embodiment, said method comprises beforehand a step of spraying the support with said composition comprising between 0.5% and 5% of hot melt material, in a suitable solvent, before the distribution of the charges on said support, in order to coat the lower surface of the charges. By suitable solvent is meant a solvent to retain the hot melt material before application to the charges, for example isododecane.

The present invention also relates to coated fillers which can be obtained or obtained by the process as presented above. Within the meaning of the invention, the coated fillers are covered, on at least a part of their surface, with a continuous or discontinuous layer of hot-melt material having a melting point greater than 35 ° C., and quite preferably between 40 ° C and 60 ° C. The invention is illustrated in more detail in the following examples. These examples serve to illustrate the invention without however being limiting FIGURES FIG. 1. (1A) The fillers are coated with a hot-melt material according to the invention; (1B) The fillers are mixed with a hot melt material or a tacky material, but are not coated.

EXAMPLES Example 1 Manufacture of mother-of-pearls coated on one side 5 g of pearlescent agents are placed on a clean and flat surface of 1 m2, so as to spread them out as much as possible.

The nacres were obtained from GLITTEREX under the trade name Polyethylene Terephthalate Film Coated With A Polyurethane. In vertical spread of pearlescent agents, a composition of paraffin wax (SASOLWAX 5603 from SASOL) at 1% in isododecane is sprayed on the surface, at 50 cm in height. (The composition is pressurized in an aerosol flask under a propane / butane mixture (30% relative to the liquid phase)). The spraying technique involves spraying, at a height of 50 cm, for 100 seconds, a surface of 1 m by deploying a trajectory such that the entire surface is covered. After drying and thus evaporation of the isododecane, the nacres are recovered.

The coated mother-of-pearl is applied to eyelashes by solid application. The assembly is heated to a temperature of 60 ° C to adhere the particles on the eyelashes, and between them. The deposit observed on the eyelashes is cohesive and shiny (FIG. 1A). Example 2: Manufacture of two-sided coated mother-of-pearl The 1% paraffin wax composition in the isododecane of Example 1 is sprayed onto a Teflon plate of 1 m2. Without waiting for the complete evaporation of the isododecane, the surface of this plate is covered with nacres obtained from GLITTEREX, finely spread. After one hour, in vertical spread of pearlescent agents, the composition of paraffin wax at 1% in isododecane is sprayed on the surface at 50 cm in height. After drying and thus evaporation of the isododecane, the nacres are recovered.

The coated mother-of-pearl is applied to eyelashes by solid application. The assembly is heated to a temperature of 60 ° C to adhere the particles on the support, and between them. The deposit observed on the eyelashes is cohesive and shiny (FIG. 1A).

Comparative Example 3 A mascara of the following composition is prepared: 65% of vinylpyrrolidone / eicosene copolymer (VP / eicosene) with a molecular weight of 17,000 g / mol; 25% of polybutene with an average molecular weight of 2000 g / mol; - 10% of DISCO GLR 0.008 HEX particles from GLITTEREX. This composition is prepared in the following manner: the two polymers VP / eicosene and polybutene are heated at a temperature of 80 ° C .; with stirring, the particles are added; - After cooling, a compact mass is obtained, which is then ground in a knife mill or pin mill, so as to obtain a powder. The melting temperature of this composition is 41.1 ° C. This composition comprises 65% of hot melt material having a melting temperature of between 35 ° C and 70 ° C, and 10% of particles, and therefore has a weight ratio material / particles of 6.5. The powder obtained is applied to the eyelashes by solid application and then heated to a temperature of at least 41.1 ° C. The deposit obtained on the eyelashes is represented in FIG. 1B: this deposit is cohesive, but the particles have lost a large part of their optical effect. This is attributed to the fact that the particles are embedded and embedded in the hot melt material. The light does not think about it properly anymore. The shine and sparkle effect is lost. If a smaller amount of hot melt material had been used, especially in a weight ratio of particles / hot melt material of less than 1/1, the particles would not have adhered sufficiently to the eyelashes and would have unhooked regularly. The drawbacks that arise from this situation include the visibility of the particles on the clothing, and the risk that the charges enter the eye area, causing discomfort and a risk of damage to the corneal surface. EXAMPLE 4 According to the Invention A coated mother-of-pearl powder is obtained according to the protocol described in Example 2. This powder is dispersed in 10 g of styling gel, referred to as "Invisi FX" of the Studio range of the L-brand. 'OREAL. Then, this gel is deposited on the hair of color "peppers and salts", insisting in particular on the lengths and tips. A hair dryer by infrared irradiation is used to preheat the hair, before a heating step at 140 ° C by a hot iron BABYLISS. A shine effect of the hair is thus obtained. The shine effect is especially good in time, remaining visible all day.

Claims (12)

REVENDICATIONS1. Cosmetic make-up and / or care composition of keratinous material comprising fillers coated, on at least a part of their surface, with a continuous or discontinuous layer of a hot-melt material having a melting point greater than 35 ° C. 2. Composition according to claim 1, characterized in that the fillers are nacres. 3. Composition according to one of claims 1 or 2, characterized in that the hot melt material has a melting temperature of between 35 C and 70 ° C, and preferably between 40 ° C and 60 C. 4. Composition according to one of claims 1 to 3, characterized in that the hot melt material is composed of a hot melt polymer and / or a wax, or a mixture of hot melt polymers and / or waxes. 5. Composition according to Claim 4, characterized in that the hot-melt material is chosen from polyethylene vinyl acetate, polyethylene wax, paraffin wax, beeswax, cetyl alcohol or one of their mixtures. . 6. Composition according to one of claims 1 to 5, characterized in that the hot melt material is distributed on the surface of the load in a layer thickness of 0.1 .mu.m to 4 iam, this layer being continuous or discontinuous. 7. Composition according to one of claims 1 to 6, characterized in that the hot melt material and the fillers are combined according to one of the following material / weight ratio by weight: a material / charge ratio of 0.1 to 6, preferably in a material / charge ratio of 0.2 to 2, and more preferably in a material / charge ratio of 0.3 to 1. 8. Makeup kit comprising a composition according to one of claims 1 to 7 packaged in a reservoir, a suitable applicator, and heating means for carrying said composition, simultaneously or after its application, at a temperature above the point of melting of the hot-melt material that it contains. 9. A process for making up and / or caring for keratinous material, comprising the following successive stages: a) Application to the keratin material of a composition according to one of claims 1 to 7, b) exposure of the keratin material coated with said composition has a heat source heating at a temperature above the melting point of the hot melt material of said composition, for melting said hot melt material, and c) cooling the keratin material after complete melting of the hot melt material. 10. A method for manufacturing charges coated with hot melt material, comprising the following successive steps: a) spraying, on the upper surface of the charges distributed on a support, a composition comprising between 0.5% and 5% of hot melt material having a melting point of greater than 35 C in a suitable solvent; b) drying the coated fillers. 11. A method of preparation according to claim 10, comprising in advance a step of spraying the support with said composition comprising between 0.5% and 5% of hot melt material, in a suitable solvent, before the distribution of the charges on said support, so to coat the lower surface of the charges. Coated feeds obtainable by the process according to one of claims 10 or 11.