WO2009104133A2 - Procédé d'application de composition cosmétique sur la peau et les lèvres, et dispositifs pour la mise en œuvre d'un tel procédé - Google Patents

Procédé d'application de composition cosmétique sur la peau et les lèvres, et dispositifs pour la mise en œuvre d'un tel procédé Download PDF

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Publication number
WO2009104133A2
WO2009104133A2 PCT/IB2009/050645 IB2009050645W WO2009104133A2 WO 2009104133 A2 WO2009104133 A2 WO 2009104133A2 IB 2009050645 W IB2009050645 W IB 2009050645W WO 2009104133 A2 WO2009104133 A2 WO 2009104133A2
Authority
WO
WIPO (PCT)
Prior art keywords
composition
piece
stick
outside surface
heated
Prior art date
Application number
PCT/IB2009/050645
Other languages
English (en)
Other versions
WO2009104133A3 (fr
Inventor
Xavier Blin
Philippe Ilekti
Frédéric Auguste
Original Assignee
L'oreal
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by L'oreal filed Critical L'oreal
Priority to EP09713424.1A priority Critical patent/EP2259697B1/fr
Priority to ES09713424.1T priority patent/ES2540056T3/es
Publication of WO2009104133A2 publication Critical patent/WO2009104133A2/fr
Publication of WO2009104133A3 publication Critical patent/WO2009104133A3/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D40/08—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks with provision for sieves or shaping parts for sticks ends
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D2200/00—Details not otherwise provided for in A45D
    • A45D2200/15—Temperature
    • A45D2200/155—Heating or cooling means, i.e. for storing or applying cosmetic products at a predetermined temperature
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D40/06—Casings wherein movement of the lipstick or like solid is a screwing movement

Definitions

  • the present invention relates to applying a cosmetic composition onto human keratinous materials, in particular the skin or the lips.
  • the invention relates more particularly to applying a composition that is initially in the form of a piece of solid composition (also referred to as a "mass of composition"), and in particular a piece in the form of a stick.
  • a composition that is initially in the form of a piece of solid composition (also referred to as a "mass of composition"), and in particular a piece in the form of a stick.
  • Lipsticks have been packaged for a long time in the form of sticks for direct application on the lips. Under such circumstances, during application, the lipstick formulation should satisfy requirements of a mechanical nature both to ensure that the stick slides and holds together without breaking, and also to ensure that composition is transferred so as to guarantee that application is comfortable and that sufficient composition is deposited with good quality on the lips. These requirements are generally considered as being contradictory and they lead to constraints on formulation that it would be desirable to overcome.
  • Application US 2004/0096258 discloses a lipstick packaging and applicator device that includes a vibration generator and a heat generator.
  • the vibration generator serves to perform a massage action with a hot surface. It is also known from European patent application EP 0 223 603 to subject sticks of lipstick, during fabrication, to a torching operation that consists in briefly heating the surface of the stick so as to increase its surface gloss.
  • Application EP 1 595 472 A2 discloses a device for reshaping the application surface of a composition contained in a body, which device includes an electrical resistance element.
  • compositions that are capable of conferring both glossiness and finish.
  • the sensory aspect or "feel” is of great importance for compositions that are packaged as sticks, given that the user comes into contact solely with the composition during application, in particular when applying lipstick, and any improvement of performance in terms of glossiness and finish may not be obtained if the feel is not satisfactory to a user.
  • compositions concerned by the invention are not limited to makeup compositions, and the invention also extends to care products.
  • Exemplary embodiments of the invention provide a method of cosmetically treating human keratinous materials, in particular for making up the skin or the lips, the method comprising the steps consisting in: a) heating an outside surface of a piece of solid composition in contact with or in the vicinity of a heater device, in particular heating an end of a stick of said composition, so as to heat said piece in localized manner in order to soften essentially only said outside surface; and b) applying the composition as softened in this way to the region for treatment, in particular the skin or the lips.
  • Softening may optionally go as far as the composition melting locally.
  • the outside surface When the composition is in the form of a stick, the outside surface may be defined as the end thereof; in a variant, the outside surface is defined by the side surface of the stick.
  • the softened outside surface may be brought into contact with the region to be treated, then forming an application surface.
  • the invention can enable a composition, e.g., in the form of a stick, to be applied, while obtaining results that are better than those that are obtained without heating the end.
  • Raising the temperature of the composition at the outside surface can render certain ingredients of the composition more compatible, e.g., leading to better finish and/or glossiness.
  • composition may be any now known or future composition, the invention making it possible for example to obtain better sliding during application, a thicker deposit, and/or a color that is more intense and/or glossier .
  • the invention also provides novel possibilities in terms of formulation and/or packaging.
  • the heater device is an artificial source of heat, i.e., a source of heat other than human or animal heat, the heat of the sun, or the heat that may result from rubbing the application surface on keratinous materials during application.
  • the heat applied to the outside surface in order to heat it may give rise to a local temperature rise of at least 5°C, for example.
  • the composition may be a composition for applying to the lips, in particular a lipstick or a lip gloss or a lip balm.
  • the composition may be heated by being exposed to infrared radiation or to radiofrequency radiation, it may be heated by blowing hot air, it may be heated by being exposed to ultrasound vibration, or it may be heated by transferring heat by coming into contact with or into the proximity of a hot surface.
  • the hot surface may bear axially and/or radially against the application surface, e.g., the end of the stick when the mass of composition is in the form of a stick.
  • the hot surface may be flexible.
  • the piece of composition is solid at an ambient temperature (e.g., about 20 0 C), i.e., it retains the shape that it has been given during fabrication and it does not flow under the effect of gravity.
  • the composition may contain at least one cosmetic active agent, at least one organic or aqueous solvent, and at least one coloring agent, in particular a pigment giving rise to a color by an absorption phenomenon and/or an interference phenomenon.
  • the composition may be packaged in a packaging device suitable for being closed in sealed manner.
  • the composition may optionally include a thermochromic coloring agent, enabling the user to visualize the heating of the outside surface.
  • the piece of composition may initially be molded to have the desired shape, e.g., the shape of a stick, without any reinforcement, like conventional sticks of lipstick, or it may be molded on reinforcement and/or on a handle portion, e.g., being supported at the end of a stem.
  • the hot surface may be in the shape of a chamfer, an inverted cone, or a concave depression, a spherical depression, or any other desirable shape.
  • the hot surface may be suitable for allowing the mass of composition to pass therethrough, in particular for allowing the stick to pass therethrough, e.g., being of annular shape.
  • the hot surface may also face or come into contact with the application surface of the mass of composition, in particular the end face of the stick of composition.
  • the hot surface may be flexible and deformed by the piece of composition when they are put into contact with each other.
  • the composition may be heated while the mass of composition, in particular the stick, is fully contained within a packaging device. During application, the user need not touch the composition with the fingers.
  • composition may also be heated while the mass of composition, in particular the stick, is exposed at least in part to ambient air.
  • the composition may be heated locally to a temperature higher than or equal to 40 0 C, or higher than 45°C, or indeed higher than 50 0 C, as desired.
  • the temperature of the application surface, in particular the end of the stick, should be configured to substantially limit the risk of causing discomfort during application. Therefore, it may be optionally desirable to impose a waiting time between the moment when the end is heated and the moment when it is applied to keratinous materials .
  • the temperature T f to which the application surface of the composition is initially locally heated may lie in the ranges 40 0 C to 95°C, 45°C to 85°C, and 45°C to 75°C.
  • the temperature difference between the heated application surface, in particular the end of the stick, and the non-heated portion, e.g., the body of the stick, may be greater than or equal to 15°C, or greater than or equal to 20 0 C, at least at the beginning of application, or indeed greater than 30 0 C.
  • the end of the piece of composition may be put into contact with a hot source so that the temperature of said end at its surface or over a depth of at least 0.5 millimeters (mm), for example, rises to a temperature T
  • the temperature T f to which the end of the mass is heated may be higher than or equal to 40 0 C, in particular higher than or equal to 45°C.
  • the temperature T f may be measured at the surface using an infrared pyrometer, e.g., as sold under the trademark Fluke.
  • composition according to exemplary embodiments of the invention may be a makeup product composition that changes reversibly between solid and liquid states.
  • the solid/liquid change of state may be due to the melting of a crystalline portion, e.g., one or more waxes or other substances present in the composition.
  • waxes that are suitable for the invention, mention may be made in particular of hydrocarbon waxes such as: beeswax; lanolin wax; Chinese insect wax; rice bran wax; Carnauba wax; Candelilla wax; Ouricury wax; Alfa wax; berry wax; shellac wax; Japan wax; sumac wax, montan wax; orange and lemon waxes; microcrystalline waxes; paraffins; ozokerite; polyethylene waxes; waxes obtained by Fisher-Tropsch synthesis; wax copolymers; and esters thereof.
  • depilatory waxes are excluded as waxes which may be used with embodiments herein, for at least the reason that depilatory waxes are not intended as makeup products.
  • the total enthalpy of melting of the composition is the enthalpy consumed by the composition between -20 0 C and 120 0 C.
  • the total enthalpy of melting of the composition is equal to the area under the thermogram curve obtained using a differential scanning calorimeter (SDC) such as the calorimeter sold under the name MDSC 2920 by the supplier TA Instruments, with a temperature rise of 5°C per minute or 10 0 C per minute, in application of the ISO 11357-3:1999 standard.
  • SDC differential scanning calorimeter
  • a sample of 5 milligrams (mg) of composition is placed in a crucible and is subjected to a first temperature rise from -20 0 C to 120 0 C with heating at a rate of 10 0 C per minute, and is then cooled from 120 0 C to -20 0 C with cooling at a rate of 10 0 C per minute.
  • the sample is maintained at -20 0 C for 5 minutes, and is finally subjected to a second temperature rise from -20 0 C to 100 0 C with temperature rising at a rate of 5°C per minute .
  • variation in the difference of power absorbed by an empty crucible and by the crucible containing the sample of the composition is measured as a function of temperature.
  • the melting point of the composition is the temperature value corresponding to the top of the peak in the curve plotting variation in absorbed power difference as a function of temperature.
  • the melting enthalpy of the composition consumed at temperature T f is the quantity of energy needed to cause the composition to go from the solid or very viscous state at -20 0 C to the state of the composition at the temperature T f . It is expressed in Joules per gram (J/g) .
  • the composition is selected so that the ratio of the enthalpy consumed by the composition between -20 0 C and T f divided by the total enthalpy consumed between -20 0 C and 120 0 C is greater than 0.5, and less than 0.9.
  • T f temperature T f to which the application surface is brought by the heater device can thus be organized so that said ratio lies in the range 0.5 to 0.9.
  • keratinous materials e.g., the skin or the lips.
  • no applicator other than the composition itself is in direct contact with keratinous materials.
  • the mass of composition, in particular the stick may be secured to a base portion that comprises a mechanism enabling the mass of composition, in particular the stick, to be moved relative to a surface that enables the base portion to be held by the user, in particular a mechanism comprising two parts that are capable of turning relative to each other .
  • exemplary embodiments of the invention also provide a device for conditioning and applying a piece of solid composition, in particular a composition in the form of a stick, the device comprising:
  • a support for said piece of solid composition the piece presenting an outside surface, in particular an end, and the support possibly being a portion of the base of a mechanism for packaging and driving the piece of composition, for example;
  • exemplary embodiments of the invention also provide a packaging and applicator device for a composition in the form of a solid piece, the device comprising :
  • a device for heating an application surface of the piece of composition in particular the end of the stick, secured to the support or to the base portion at least while the application surface is being heated, enabling the application surface to be heated to a temperature higher than the temperature of a portion of the piece of composition that remains solid during application, the heater device being situated outside the piece of composition .
  • heat is not transmitted to the application surface from the core of the piece of composition, but from the outside to an exterior surface of the piece of composition.
  • the heater device may be housed in a closure cap for the support or for the base portion, so as to enable the application surface, in particular the end surface of the stick, to be heated while the cap is in place on the support or the base portion.
  • the heater device may be housed in a box on which the support or the base portion may be engaged in such a manner that heating may take place when the support or the base portion is engaged in the box.
  • the box may include an opening into which the piece of solid composition may be engaged, preferably without the entire support being located inside the box.
  • the heater device may be secured to the support or to the base portion.
  • the heater device may be arranged so as to come into contact with the outside surface, in particular the distal end of the stick, when the piece of composition is in this form.
  • the heater device may be arranged to enable the piece of composition, in particular the stick, to pass therethrough.
  • the device may include control means enabling the user to control the operation of the heater device.
  • the control means may comprise a switch present on the support or on the base portion or on a closure cap for the support or the base portion.
  • the device may include an electrical resistance element for heating a surface that is capable of coming into contact with the application surface, in particular the end of the stick, or into the proximity thereof.
  • the device may include an infrared emitter arranged to subject the application surface, in particular the end of the stick, to infrared radiation in order to heat it.
  • the heater device may also comprise means for emitting radiofrequency radiation, e.g., microwaves, serving to raise the temperature of the application surface, in particular the end of the stick.
  • radiofrequency radiation e.g., microwaves
  • the heater device may comprise a fan for blowing hot air onto the application surface, in particular the end of the stick.
  • the heater device may comprise an ultrasound source for heating the end of the stick.
  • the heater device may comprise at least two compounds that, once mixed together, may be capable of producing an exothermal reaction.
  • the heat produced in this way may be transferred to the outside surface used for application, in particular the end of the stick.
  • Figure 2 is a fragmentary and diagrammatic longitudinal section view showing, on its own, an exemplary cap associated with the device of Figure 1 ;
  • Figure 3 is a diagrammatic and fragmentary view showing an exemplary method for heating the end of the solid composition stick through contact with a hot surface
  • Figure 4 is a diagrammatic and fragmentary view showing an exemplary embodiment of a heater member
  • Figure 8 is a diagrammatic view showing a variant embodiment of the packaging and applicator device
  • Figure 9 is a diagrammatic and fragmentary section of the Figure 8 device, after being put into place in the corresponding housing of the box;
  • Figure 10 shows a stick and associated support means
  • Figure 11 is an elevation view showing other embodiments of exemplary packaging and applicator devices
  • Figure 12 is a fragmentary and diagrammatic longitudinal section of the Figure 11 device
  • Figure 13 is a fragmentary and diagrammatic longitudinal section view of a variant embodiment of the device.
  • Figure 14 shows other exemplary packaging for the composition.
  • a cosmetic treatment method comprising the steps consisting in: a) heating an application surface of a mass of solid composition, with the help of an artificial heat source situated outside the mass of composition, in particular heating an application surface of a stick of composition, so as to raise it to a temperature higher than the temperature of a fraction of the mass of composition that is remote from the application surface and that remains solid during application; and b) applying the application surface as heated in this way to a region for treatment, in particular the skin or the lips.
  • Figure 1 comprises a base portion 2 that supports a mass of composition that is presented in the form of a stick S of composition, together with a cap 3 that can be fastened to the base portion 2 in order to close the device 1 when not in use.
  • the base portion 2 may be of any known type enabling the stick S to be advanced as it is used up.
  • the base portion 2 comprises two portions 5 and 6 capable of turning relative to each other, and a mechanism serving to transform relative rotation between the two portions 5 and 6 into axial movement along the longitudinal axis X of the stick S.
  • the stick S is carried within the mechanism by a cup 58 as shown in Figure 10, having studs 59 that are engaged in two parts belonging respectively to the portions 5 and 6, one of which includes rectilinear longitudinal slots and the other helical longitudinal slots, such that rotation between these two parts is accompanied by axial movement of the cup together with the stick S.
  • the cap 3 includes a heater device 10 enabling the end 11 of the stick S to be heated prior to being applied to keratinous materials, e.g., the skin or the lips.
  • the heater device 10 may house a source of electricity (not shown), e.g., including one or more optionally rechargeable batteries, and a heater member, e.g., comprising an electrical resistance element powered by the source of electricity.
  • a source of electricity not shown
  • a heater member e.g., comprising an electrical resistance element powered by the source of electricity.
  • heater elements that are suitable are disclosed in US 2007/0286665 Al, for example.
  • the heater member is disposed in such a manner as to raise the temperature of a heating surface 13 that, in the exemplary embodiments of Figures 1 and 2, is suitable for coming into contact with the stick S, as shown in Figure 3, in order to raise the temperature of the distal end 11 thereof.
  • the heater device 10 may include a switch 14 enabling the user to switch heater device 10 on and off, together with an indicator 15, e.g., an indicator light that shines while heating surface 13 is being heated.
  • Heater device 10 may optionally include any means for regulating the temperature of heating surface 13 to ensure that it does not exceed a predefined value.
  • heating surface 13 is inaccessible to the user, it may be possible to accept a temperature that is higher, while remaining compatible with the composition. However, where heating surface 13 may be contacted by the user, then it may be desirable to use a temperature that does not exceed 65°C.
  • heater device 10 may also include a timer that ensures that end 11 of the stick S is heated for a predetermined duration only, so as to avoid premature wear of the electricity source and/or avoid raising the temperature of the entire stick of composition too high.
  • Heater device 10 may advantageously include any appropriate sensor for ensuring that heating is triggered only when the heating surface is indeed in contact with end 11 of the stick S.
  • heater device 10 may include a sensor for sensing contact pressure between heating surface 13 and the stick S, so as to allow heating surface 13 to be heated only when contact with the stick
  • heating surface 13 may be defined by a contact part 20, e.g., a part that is slidable axially along the axis X relative to body 22 of heater device 10 against the return action of a resilient return member 23, such as, for example, a spring housed inside contact part 20, as shown in Figure 4.
  • a contact part 20 e.g., a part that is slidable axially along the axis X relative to body 22 of heater device 10 against the return action of a resilient return member 23, such as, for example, a spring housed inside contact part 20, as shown in Figure 4.
  • FIG 4 there can be seen a heater device comprising an electrical resistance element 25 pressed against the end of contact part 20 so as to be as close as possible to heating surface 13.
  • contact part 20 may include a metal that is a good conductor of heat and it is made with small wall thickness so as to present little thermal inertia, in some embodiments, contact part 20 may substantially comprise aluminum.
  • Heating surface 13 may be given any shape that matches the shape of end 11 of the stick, for example it may be given a chamfered shape substantially complementary to the shape of the end 11 of the stick S, as shown in Figures 1 and 2, or it may be given some other shape, for example a shape that is concave towards the stick S, in particular in the form of a spherical cap as shown in Figure 5, a conical or frustoconical shape as shown in Figure 6, or a shape that is substantially planar and perpendicular to the axis X, as shown in
  • device 1 may include means for indexing the angular position of base portion 2 relative to cap 3 so as to enable cap 3 to be fastened on base portion 2 only in one predefined angular orientation between them, so that heating surface 13 can bear in a predefined manner against the stick S, which is compatible with the shape thereof.
  • the stick S may for example be a lipstick, e.g., having a section lying in the range 0.1 square centimeters (cm 2 ) to 5 cm 2 or indeed in the range 0.15 cm 2 to 1 cm 2 , and device 1 may be used by initially switching on heater device 10 and then waiting for the time required for end 11 of the stick that defines the application surface to be raised to the desired temperature .
  • a lipstick e.g., having a section lying in the range 0.1 square centimeters (cm 2 ) to 5 cm 2 or indeed in the range 0.15 cm 2 to 1 cm 2
  • device 1 may be used by initially switching on heater device 10 and then waiting for the time required for end 11 of the stick that defines the application surface to be raised to the desired temperature .
  • indicator 15 may indicate that the desired temperature has been reached, e.g., by passing from a continuously-on state indicating that the device has been switched on, to a flashing state and/or to a different color when the desired temperature is reached.
  • a continuously-on state indicating that the device has been switched on
  • flashing state e.g., a flashing state
  • indicator 15 may indicate that the desired temperature has been reached, e.g., by passing from a continuously-on state indicating that the device has been switched on, to a flashing state and/or to a different color when the desired temperature is reached.
  • base portion 2 may be separated from cap 3 and the user may apply the composition of the stick to the lips or other keratinous materials.
  • the softening of the composition at end 11 of the stick S may ensure that application is comfortable, and may ensure good transfer to the lips with a deposit that is thick and, in some embodiments, glossy on application.
  • the body of the stick S is at ambient temperature or at a temperature that is slightly higher than ambient, but not high enough to compromise the strength it needs to withstand the mechanical forces generated by application.
  • the temperature difference between the application surface and the body of the stick, in particular at its end opposite from the application surface, may for example be at least 20 0 C, or indeed at least 30 0 C when the stick presents its initial length, on first use.
  • Heater device 10 need not be incorporated in a cap 3 of the packaging device, but may be present in a box 40 that is distinct from the device for packaging the stick S, as can be seen in Figures 8 and 9.
  • Box 40 may house an electricity source and/or may include means for connection to an electricity source, e.g., main line voltage via a low voltage transformer.
  • the box 40 may also include switch means 14, such as an on/off switch, for example, together with one or more indicators 42 and 55 for indicating that the box has been switched on and/or that it has reached the desired temperature .
  • switch means 14 such as an on/off switch, for example, together with one or more indicators 42 and 55 for indicating that the box has been switched on and/or that it has reached the desired temperature .
  • box 40 includes an opening 46 into which the base portion 2 may be inserted at least in part, as shown in Figure 9, so as to bring end 11 of the stick close to heater means 50 present in box 40.
  • opening 46 is of section that matches one of the parts of the base portion so that engaging the base portion in the box brings end 11 of the stick into a position that is predefined in at least two spatial directions relative to heater means 50.
  • Box 40 may include any appropriate sensor 51 serving to detect that base portion 2 has been put into place on the box 40 and optionally that the stick is properly positioned relative of heater means 50.
  • the end of the stick S may be heated by conduction, coming into contact with a hot surface as described above.
  • the heater means includes a heating surface that may be raised to the appropriate temperature by any heater means, e.g., an electrical resistance element.
  • the heating of the end of the stick may also be performed without making contact, for example through exposure to infrared (IR) radiation, and/or by convection, and/or by vibration, and/or by radiofrequency (RF) radiation, or any other desired method for providing heat.
  • IR infrared
  • RF radiofrequency
  • box 40 may include any appropriate sensor, in particular an optical sensor, capable of evaluating the distance between end 11 of the stick S and heater means 50 so as to enable heater means 50 to be switched on only once a predefined distance is reached and/or in order to regulate heating power as a function of the spacing between heater means 50 and the end of the stick S.
  • any appropriate sensor in particular an optical sensor, capable of evaluating the distance between end 11 of the stick S and heater means 50 so as to enable heater means 50 to be switched on only once a predefined distance is reached and/or in order to regulate heating power as a function of the spacing between heater means 50 and the end of the stick S.
  • heater means 50 may be a system that heats by emitting infrared radiation towards end 11 of the stick, e.g., from a halogen or an incandescent lamp, or by blowing hot air towards end 11.
  • end 11 of the stick S may be heated by being exposed to RF radiation, e.g., microwave radiation, that is focused on the end 11 of the stick S.
  • RF radiation e.g., microwave radiation
  • end 11 of the stick S may be heated by ultrasound vibration.
  • heater device 60 includes heater means 62 that are secured to the base portion 2 and that may comprise, as shown, a heater member 62 of annular shape through which the stick S may be passed.
  • heater means 62 may be of section that is greater than or equal to the section of the stick S.
  • heater device 60 may include a control member 64 on which the user can act in order to set the heater member 62 into operation.
  • heater member 62 may comprise an electrical resistance element that enables end 11 of the stick S to be heated by conduction, by convection, and/or by radiation (e.g., infrared, microwave, etc.) .
  • heater member 62 may also assist in applying the composition associated with the stick S, and for this purpose it may present a top face 70 of appropriate shape, e.g., of chamfer shape.
  • the user may bring the end 11 of the stick level with heater member 62 and start heating by pressing on control member 64.
  • the heater device may include an indicator light 72 informing the user that heater member 62 is in operation.
  • the user may interrupt heating on observing that end 11 of the stick has changed appearance as a result of its temperature being raised, e.g., it has become glossy.
  • the user may then optionally move the end 11 up a little so as to make it easier to apply the composition without making contact with heater member 62.
  • the user may apply the composition with the lips or the skin making contact not only with the stick S, but also with heater member 62.
  • the surface of heater member 62 that might come into contact with the skin may be flocked or may present a textured surface appearance that facilitates application.
  • the stick S passes through heater member 62 that defines an opening 76 of section that is narrower than the section of the body of the stick.
  • the softening of the stick S in contact with heater member 62 may thus be accompanied in this example by the stick being deformed through heater member 62. This may increase the precision with which the composition is applied and prevent the stick S being advanced relative to heater member 62 until it has been softened sufficiently.
  • heater member 62 may be tapered, as shown in Figure 13, so as to reduce the area of contact between the region being treated and heater member 62.
  • Figure 14 shows another embodiment in which the mass of composition associated with the stick S is supported by a stem 200, and is suitable for single use, for example .
  • the application surface 202 is heated, e.g., by being brought into contact with or near to a hot surface, e.g., by inserting it into a box provided with heater means such as the box described above with reference to Figures 8 and 9.
  • phase A The ingredients of phase A are added to a melting pot. They are stirred with a Rayneri stirrer while being lightly heated to 50 0 C. The pigments of phase C are ground in a portion of phase A.
  • phase B The Bentone (phase B) is dispersed in the other portion of phase A.
  • the grounds, the hectorite dispersed in phase A, and the waxes of phase D are added into a double-walled melting pot.
  • the content is heated to 98 0 C-IOO 0 C while stirring with a Rayneri stirrer until the waxes melt.
  • phase E is added to the mixture, which is then cast in a mold as to make lipsticks having a diameter of 12.7 mm.
  • the mold is then placed at a temperature of -20 0 C for half an hour, after which the sticks are unmolded and, for example, mounted in lipstick mechanisms of the kind shown in Figure 8.
  • the stick Prior to application, the stick is placed in the end heater device, so as to raise the surface temperature of its end to about 50 0 C in about 20 seconds.
  • the application of heat to the surface of the stick may be repeated as often as necessary in order to make up the entire surface of the lips.
  • Application is performed directly by touching the lips with the heated end of the stick immediately after heating.
  • composition After application to the lips, a deposit of composition is obtained that may intense, glossy, and with an agreeable sensation of sliding and of warmth during application, as desired.
  • the movement of the stick may be performed using a mechanism that includes at least two portions that are movable in rotation or a mechanism that moves the stick incrementally. Examples of such incremental mechanisms are to be found in hot-melt glue guns, for example, an example of which is described in US 2003/0150875 or US 2006/0191957.
  • the heater resistance element is integrated in the base portion or in the closure cap thereof, and it is powered by an electricity source that is situated in a box with which the base portion or the cap needs to be engaged in order to be connected electrically. This can make it possible to avoid incorporating one or more optionally-rechargeable batteries in the base portion or the cap.
  • the base portion or the cap may include at least one rechargeable battery that is recharged by placing the base portion or the cap on a charger station.
  • the end of the stick may also be heated by the user performing a mechanical action, e.g., by rotating a knob that is mounted to rotate on the cap and that engages with a rubbing member, such that rotating the knob raises the temperature of the rubbing member, with this temperature rise being transmitted via a contact part to the end of the stick.
  • a mechanical action e.g., by rotating a knob that is mounted to rotate on the cap and that engages with a rubbing member, such that rotating the knob raises the temperature of the rubbing member, with this temperature rise being transmitted via a contact part to the end of the stick.
  • the composition may be present on a palette at the time it is heated.

Landscapes

  • Cosmetics (AREA)

Abstract

La présente invention concerne un procédé d'application d'un produit de maquillage à des matières kératiniques, le procédé comprenant: a) le réchauffement d'une surface extérieure (11, 202) d'une pièce de composition solide (S) en contact avec ou dans le voisinage d'un dispositif de chauffage, notamment le réchauffement d'une extrémité d'un bâton de ladite composition, afin de réchauffer ladite pièce d'une manière localisée à une température élevée en vue de ramollir sensiblement ladite surface extérieure; et b) l'application de la surface extérieure ainsi ramollie à la zone de traitement, notamment la peau ou les lèvres.
PCT/IB2009/050645 2008-02-22 2009-02-17 Procédé d'application de composition cosmétique sur la peau et les lèvres, et dispositifs pour la mise en œuvre d'un tel procédé WO2009104133A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP09713424.1A EP2259697B1 (fr) 2008-02-22 2009-02-17 Dispositif et procédé d'application de composition cosmétique
ES09713424.1T ES2540056T3 (es) 2008-02-22 2009-02-17 Dispositivo y método para la aplicación de una composición cosmética

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR0851156A FR2927782B1 (fr) 2008-02-22 2008-02-22 Procede d'application d'un produit cosmetique sur la peau ou les levres et dispositifs pour la mise en oeuvre d'un tel procede
FR0851156 2008-02-22
US6429908P 2008-02-27 2008-02-27
US61/064,299 2008-02-27

Publications (2)

Publication Number Publication Date
WO2009104133A2 true WO2009104133A2 (fr) 2009-08-27
WO2009104133A3 WO2009104133A3 (fr) 2009-12-23

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PCT/IB2009/050645 WO2009104133A2 (fr) 2008-02-22 2009-02-17 Procédé d'application de composition cosmétique sur la peau et les lèvres, et dispositifs pour la mise en œuvre d'un tel procédé

Country Status (4)

Country Link
EP (1) EP2259697B1 (fr)
ES (1) ES2540056T3 (fr)
FR (1) FR2927782B1 (fr)
WO (1) WO2009104133A2 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010010304A2 (fr) * 2008-07-24 2010-01-28 L'oreal Procede de traitement cosmetique chauffant
EP2329741A1 (fr) * 2009-12-04 2011-06-08 GEKA GmbH Applicateur cosmétique, notamment applicateur de mascara, et masse de pigments correspondante et produit cosmétique
US20110155162A1 (en) * 2008-08-01 2011-06-30 L'oreal Method for treating human keratinous fibers
EP2347751A1 (fr) * 2010-01-22 2011-07-27 L'Oréal Procédé de traitement cosmétique chauffant mettant en oeuvre un polyester particulier
FR2955489A1 (fr) * 2010-01-22 2011-07-29 Oreal Procede de traitement cosmetique chauffant mettant en œuvre un organogelateur non polymerique
FR2965461A1 (fr) * 2010-09-30 2012-04-06 Oreal Dispositif de conditionnement et d'application d'un produit cosmetique solide, avec mecanisme de rappel en butee
WO2012045615A1 (fr) * 2010-09-30 2012-04-12 L'oreal Dispositif d'emballage et d'application d'un produit cosmétique solide, pourvu d'un mécanisme de renvoi du produit cosmétique à une position de repos
FR2968985A1 (fr) * 2010-12-17 2012-06-22 Oreal Produit de maquillage et/ou de soin sous forme cœur-ecorce

Families Citing this family (3)

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FR2960137B1 (fr) 2010-05-18 2015-11-13 Oreal Dispositif et procede d'application d 'un produit cosmetique
FR2965463B1 (fr) * 2010-09-30 2014-07-18 Oreal Dispositif de conditionnement et d'application d'un produit cosmetique sous forme de morceau solide, pourvu d'un element chauffant
FR2965462B1 (fr) * 2010-09-30 2012-10-26 Oreal Dispositif de conditionnement et d'application d'un produit cosmetique sous forme de morceau solide, avec un element chauffant orientable

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US4393975A (en) 1982-04-01 1983-07-19 Moore Constance R Refrigerated lip stick container

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BR9809973A (pt) * 1997-06-12 2000-08-01 Seb Sa Distribuidor de mão de material termofusìvel compreendendo uma grade de aquecimento
US6478493B1 (en) * 2000-08-30 2002-11-12 Daniel Mario Cepeda Wax-stick hair removal device primarily for small areas of the face and body and method thereof
FR2869511B1 (fr) * 2004-04-30 2006-07-14 Oreal Dispositif de conditionnement et d'application comportant un organe de refaconnage de la surface d'application

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4393975A (en) 1982-04-01 1983-07-19 Moore Constance R Refrigerated lip stick container

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8911714B2 (en) 2008-07-24 2014-12-16 L'oreal Cosmetic heat treatment method using a structuring agent
WO2010010305A2 (fr) * 2008-07-24 2010-01-28 L'oreal Procede de traitement cosmetique chauffant mettant en oeuvre un agent structurant
WO2010010301A2 (fr) * 2008-07-24 2010-01-28 L'oreal Procede de traitement cosmetique chauffant mettant en oeuvre un polymere semi-cristallin
WO2010010301A3 (fr) * 2008-07-24 2010-04-22 L'oreal Procede de traitement cosmetique chauffant mettant en oeuvre un polymere semi-cristallin
WO2010010304A3 (fr) * 2008-07-24 2010-05-20 L'oreal Procede de traitement cosmetique chauffant
WO2010010305A3 (fr) * 2008-07-24 2010-05-27 L'oreal Procede de traitement cosmetique chauffant mettant en oeuvre un agent structurant
US8945524B2 (en) 2008-07-24 2015-02-03 L'oreal Cosmetic heat treatment method
US8932565B2 (en) 2008-07-24 2015-01-13 L'oreal Thermal cosmetic treatment process using a semi-crystalline polymer
WO2010010304A2 (fr) * 2008-07-24 2010-01-28 L'oreal Procede de traitement cosmetique chauffant
US20110155162A1 (en) * 2008-08-01 2011-06-30 L'oreal Method for treating human keratinous fibers
CN102090776A (zh) * 2009-12-04 2011-06-15 格卡有限公司 涂抹器、尤其是睫毛膏涂抹器、涂抹器用颜料笔芯和化妆用产品
EP2329741A1 (fr) * 2009-12-04 2011-06-08 GEKA GmbH Applicateur cosmétique, notamment applicateur de mascara, et masse de pigments correspondante et produit cosmétique
FR2955494A1 (fr) * 2010-01-22 2011-07-29 Oreal Procede de traitement cosmetique chauffant mettant en oeuvre un polyester particulier
FR2955489A1 (fr) * 2010-01-22 2011-07-29 Oreal Procede de traitement cosmetique chauffant mettant en œuvre un organogelateur non polymerique
EP2347751A1 (fr) * 2010-01-22 2011-07-27 L'Oréal Procédé de traitement cosmétique chauffant mettant en oeuvre un polyester particulier
FR2965461A1 (fr) * 2010-09-30 2012-04-06 Oreal Dispositif de conditionnement et d'application d'un produit cosmetique solide, avec mecanisme de rappel en butee
WO2012045615A1 (fr) * 2010-09-30 2012-04-12 L'oreal Dispositif d'emballage et d'application d'un produit cosmétique solide, pourvu d'un mécanisme de renvoi du produit cosmétique à une position de repos
FR2968985A1 (fr) * 2010-12-17 2012-06-22 Oreal Produit de maquillage et/ou de soin sous forme cœur-ecorce

Also Published As

Publication number Publication date
EP2259697A2 (fr) 2010-12-15
ES2540056T3 (es) 2015-07-08
EP2259697B1 (fr) 2015-04-15
WO2009104133A3 (fr) 2009-12-23
FR2927782B1 (fr) 2012-10-26
FR2927782A1 (fr) 2009-08-28

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