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EP 1 299 016 B1 |
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EUROPEAN PATENT SPECIFICATION |
(45) |
Mention of the grant of the patent: |
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20.06.2012 Bulletin 2012/25 |
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Date of filing: 05.07.2001 |
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(51) |
International Patent Classification (IPC):
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International application number: |
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PCT/AU2001/000807 |
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International publication number: |
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WO 2002/001982 (10.01.2002 Gazette 2002/02) |
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APPLICATION OF COSMETICS
AUFTRAGUNG VON KOSMETIKA
APPLICATION DE PRODUITS COSMÉTIQUES
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Designated Contracting States: |
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AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
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Priority: |
05.07.2000 AU PQ858000 04.12.2000 US 251176 P 24.01.2001 AU PR269501
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Date of publication of application: |
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09.04.2003 Bulletin 2003/15 |
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Proprietor: Majic Beauty Pty Ltd. |
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Ponds,
Victoria 3039 (AU) |
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Inventor: |
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- MAMMONE, Rocco
Moonee Ponds, Victoria 3039 (AU)
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Representative: Oxley, Robin John George et al |
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Marks & Clerk LLP
90 Long Acre London
WC2E 9RA London
WC2E 9RA (GB) |
(56) |
References cited: :
EP-A- 0 832 577 US-A- 4 725 495 US-A- 4 747 782 US-A- 4 925 667
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WO-A-00/00059 US-A- 4 725 495 US-A- 4 925 667 US-A- 5 301 697
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- DATABASE WPI Week 198824, Derwent Publications Ltd., London, GB; Class P24, AN 1988-165901,
XP002969383 & JP 63 105 189 A (KANEGAFUCHI CHEM KK) 10 May 1988
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Note: Within nine months from the publication of the mention of the grant of the European
patent, any person may give notice to the European Patent Office of opposition to
the European patent
granted. Notice of opposition shall be filed in a written reasoned statement. It shall
not be deemed to
have been filed until the opposition fee has been paid. (Art. 99(1) European Patent
Convention).
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Field of the invention
[0001] The invention relates to cosmetics, and relates particularly, but not exclusively,
to improvements in the application of cosmetics.
Background of the invention
[0002] Cosmetics preparations of various types have been in use for many, many years. Accordingly,
a wide range of application methods have been trialed, though primarily facial cosmetics
are applied using a pencil, brush or stick, or other similar means.
[0003] This approach has been generally satisfactory. However, there are a number of problems
associated with existing techniques of packaging and applying facial cosmetics. Among
these problems is the difficulty some have in effectively applying cosmetics using
conventional techniques. Also, some experience considerable difficulty in mastering
the techniques required to successfully apply cosmetics preparations with sufficient
competence to achieve the required effect.
[0004] Many individuals have particular difficulty with self application of eye-shadow.
This is typically applied with mixing brushes' and the challenge is to achieve even
shading or colouring of each eye without smudging and to make up both eyes without
noticeable differences. This aspect of distinct separated zones that need to be matched
does not arise with most other areas of cosmetics application. Current methods of
applying eye shadow can take up to 10 to 15 minutes for self-application, and even
then, for the reasons just mentioned, the result may be less than perfect, leaving
the user doubtful about feeling confident about her eye make-up through the day. This
combination of the time required, the difficulty involved, and uncertain results,
including worrying about smudging, colour outcome, messiness and an amateurish appearance,
has led many women to avoid using eye make-up altogether.
[0005] The present applicant believes that these issues with eye cosmetics also arise, though
usually to a lesser degree, with other aspects of cosmetics self-application, most
notably lipstick.
[0006] Further, existing methods of packaging cosmetics can cause, in some cases, considerable
inefficient wastage of the actual cosmetics preparation. As preparations are often
relatively expensive to produce, this inherent wastage necessarily increases the price
of the packaged forms of the cosmetics.
[0007] US patents 4925667 and
4752496 disclose cosmetic samplers in which sample volumes are retained on a substrate, covered
and accessed by removal of a tear strip.
US patents 5690130 and
119704 describe cosmetic samplers in which fabric fibres or non woven material may be applied
to cover an entire surface of a substrate to form an applicator surface, and in which
the fibres are initially applied "by electrostatic assist". The cosmetic is retained
on this substrate by an overlaid thermoplastics film.
[0008] It is, accordingly, an object of the present invention to attempt to address the
aforementioned difficulties relating to cosmetics application.
Summary of the invention
[0009] The inventive concept resides in a recognition that cosmetics preparations are advantageously
provided by retaining a suitable amount of a cosmetics preparation on a suitable surface,
so that the surface can be used to conveniently apply the cosmetics preparation to
an appropriate part of the face.
[0010] In a first aspect, the invention provides a cosmetics applicator as claimed in claim
1.
[0011] Advantageously, said waxy or oily underlay is cosmetic foundation. Preferably, the
underlay transfers with said cosmetics preparation during said wiping pass to provide
an outer protective coating therefor.
[0012] Advantageously, said material surface is provided on a planar sheet shaped to provide
a first portion defining said surface and a second portion to be gripped between fingers
or thumb and a finger, for executing said single wiping pass. The first portion may
typically be larger than the second portion.
[0013] Preferably, said material is provided as a planar sheet. Preferably, the planar sheet
of material is cut to an appropriate shape and size to allow said cosmetics applicator
to be conveniently used as required.
[0014] The surface has a relatively low coefficient of friction. For this purpose, the surface
may be substantially formed of PTFE (poly-tetrafluoroethylene), otherwise known as
Teflon®, or of a PTFE-containing composite.
[0015] The aforesaid electrostatic attraction is achieved by the surface of the material
being electrostatically charged.
[0016] The cosmetics preparation may be, eg, a granular, dust-like or powder-based substance
such as, for example, as eyeshadow; or a creme, wax or other liquid-based preparation
such as, for example, lipstick, or foundation.
[0017] When the cosmetics preparation is a powder, it may be applied to the surface of the
material using a spray directed towards the surface, Preferably, the spray of the
cosmetics preparation is efficiently directed to the material by virtue of the electrostatic
attraction between the surface and the cosmetics preparation.
[0018] Preferably, the surface is shaped and sized to allow convenient use of the cosmetics
preparation. Preferably, the surface includes a covered region to which the cosmetics
preparation is applied, and a clear region to which the cosmetics preparation is not
applied. Advantageously, the cosmetics preparation includes different colours of the
preparation in distinct areas of the surface to facilitate different colour effects
when the cosmetics applicator is used.
Description of drawings
[0019]
Fig. 1 is an enlarged representation of a cosmetics applicator according to an embodiment
of the invention, especially suitable for retaining and applying eyeshadow;
Fig. 2 is a schematic representation of a facility used to manufacture cosmetic applicators
of the kind depicted in Fig. 1; and
Fig. 3 is a representation of a set of cosmetic applicators of a shape a little different
from those depicted in Fig. 1, and produced by the facility depicted in Fig. 2.
Description of embodiments
[0020] A cosmetics applicator 200 constructed in accordance with an embodiment of the invention
will now be described with reference to the accompanying drawings. Manufacture of
the cosmetics applicators is achieved using a production facility 10 as schematically
represented in Fig. 2. A sheet of cosmetics applicators 200 that are produced using
this facility 10 are represented in Fig. 3. An enlarged presentation of a cosmetic
applicator is provided by Fig. 1.
[0021] The cosmetics applicator 200, illustrated on an enlarged scale with a magnification
a little greater than 2, is represented in Fig. 1, and includes a surface 210 of a
selected highly flexible PTFE containing material. The surface 210 can be considered
as being divided into a relatively larger first portion 220 and a relatively smaller
second portion 250. Larger portion 220 is covered with an underlay of a waxy or oily
substance such as cosmetic foundation, overlaid with an outer layer of cosmetics preparation
such as, for example, coloured make-up powder. Relatively smaller second portion 250
is clear and uncovered. Portions 220, 250 meet at a boundary 225 marked by an edge
of the powder layer and are defined at least in part by generally curved edges 221,
251 of sheet 200.
[0022] The portion 220 may be divided at a boundary 222 into a first region 230 and a second
region 240, which are respectively overlaid with different colours and/or types of
cosmetics preparation. The first and second regions 230, 240 of the portion 220 are
positioned so that the two respective colours of these regions 230, 240 are similarly
represented on the skin of the eyelid. While a simple arrangement of only two regions
230, 240 is depicted in Fig. 1, intended to apply different colours respectively to
the upper and lower portions of the eyelid, a wide variety of different colours, or
of graded colour tones, of cosmetics preparation can be applied to the surface 210
of the applicator 200.
[0023] The "teardrop" shape of the surface 210 shown in Fig. 3 is particularly suited for
use of the cosmetics applicator 200 for applying cosmetic colouring, eg. eyeshadow,
to the eyelids. As the clear portion 250 of the surface 210 is not covered with cosmetics
preparation, it can be gripped between the thumb and forefinger. With the applicator
200 being held in this way, the index finger can be used to apply pressure to the
back of the applicator 200 (which is, of course, disposed opposite the surface 210
and not covered with cosmetics preparation) so that most of the cosmetics preparation,
together with the underlay, on the covered portion 220 of the applicator 200 rubs
off onto, ie. is transferred to, the skin of the eyelid in a single wiping pass or
swipe of the cosmetics preparation across the skin surface. The actual proportion
of eyeshadow transferred will typically depend on the actual finger pressure applied
to the applicator as it is wiped across the eyelid. The original underlay forms an
outer protective and/or seal coating that assists in stabilising and maintaining the
eyeshadow over subsequent hours.
[0024] The transfer efficiency of this wiping action is facilitated by the generally curved
edges of applicator 200, by the elongated shape of the applicator, and by portion
220 being of a length and width to generally match an eyelid.
[0025] The surface 210 is of a PTFE - containing material having a low coefficient of friction,
selected to facilitate retention of the cosmetics preparation and underlay thereon,
preferably at least in part by electrostatic attraction, while allowing the major
proportion of the cosmetics preparation retained thereon to be transferred to a human
skin surface in a single wiping pass or swipe of the cosmetics preparation across
the skin surface. The cosmetics preparation thus readily wipes off the surface 210
and onto the skin. The material should thus preferably be suitable both for being
electrostatically charged at its surface and for having friction properties such that
the cosmetics preparation, and preferably also the underlay, easily transfer by wiping
action to the skin.
[0026] A suitable PTFE - containing material for applicators 200 is FL100 Virgin PTFE supplied
by Dotmar EPP, preferably of thickness 4 to 5 thousandths of an inch (about 0.100
to 0.125 mm), having a static co-efficient of friction at 0.23MPa of 0.04 and a dynamic
co-efficient of friction at 0.23MPa, 0.75 m/sec of 0.05. The specific gravity is 2.16,
tensile strength 30.0 MPa, flexural modulus 690 MPa, and compressive strength under
5% strain 12.1. Shore D Hardness is in the range 50-65.
[0027] Other PTFE-containing materials that may be suitable include PTFE-impregnated or
coated paper or fibre, eg. glass fibre, mesh, or PTFE-coated plastics substrates.
[0028] Electrostatic attraction between the cosmetics preparation and the surface 210, at
least partly assists in retaining the cosmetics preparation to the surface 210 prior
to it being wiped off. The waxy or oily underlay further assists in this retention.
There is typically no outer protection film but such may be included if necessary
for additional protection of the cosmetic.
[0029] The principal dimensions of applicator 200 are, with reference to Figure 1, about
60 to 75mm for x and about 15 to 25mm for y. Thus, the applicator is elongate with
a length to width ratio in the region of 3 to 4.
[0030] The surface 210 is cut from a sheet of the PTFE - containing material, and electrostatic
attraction between the surface 210 and the cosmetics preparation assists in attracting
the preparation to, and retaining it on, the portion 220 of the surface 210.
[0031] The cosmetics applicator 200 can be manufactured by means of the production facility
illustrated schematically in Figure 2. A roll of sheet comprising the selected PTFE
- containing material is spooled, using rolls 30, between opposed friction plates
40 that develop an electrostatic charge on the material 20 as the material 20 runs
between the plates 40. The sheet 20 is cut into individual rectangular sheets 50,
which are fed along a conveyor line towards a robotic applicator 60. A stencil, which
has holes for the covered portions 220 of each of the applicators 200 placed on a
given sheet 50, is placed over each sheet.
[0032] The robotic applicator 60 is used to apply the waxy or oily underlay and then the
cosmetics preparation onto each sheet 50. The cosmetics preparation, a coloured powder
material, is supplied to a mixing vat 70 for colour tanks 75, and mixed with air from
an air tank 80. Various colours of aerated powder of the cosmetics preparation are
supplied to the robotic applicator 60 though powder lines 100. The air nozzles 110
deliver the actual aerated power to the stencil covered sheets 50 after application
of the waxy or oily underlay. A computer control programme in controller 55 is used
to control the actions of the robotic applicator 60 to ensure appropriate delivery
of the aerated powder to the sheets 50.
[0033] After the cosmetics preparation has been applied to the stencil-covered sheets 50,
the stencil can be removed, and a guillotine press used to stamp out individual applicators
200 according to the pattern shown in Fig. 3. Each block 205 of applicators 200 depicted
in Fig. 3 can be supplied in a convenient package as required, for example laid out
in a moulded tray 310 for easy grasping and use. The package thus forms a cosmetics
application kit comprising an array of applicators 200 in a manually accessible receptacle.
It will be seen that the applicators are stamped out in complementary pairs 207 of
"left" and "right" applicators 208, 209, ie. the applicators are handed to facilitate
application of the preparation to the left or right eye respectively.
[0034] In an alternative approach, instead of or in addition to application of the waxy
or oily underlay, the surface of sheet 20 is prepared by being wiped with a suitable
alcohol.
[0035] It is found that the use of a pair of applicators 200 to apply eyeshadow achieves
very good balance between the two sides of the face and eyes, giving the user a high
level of confidence in her appearance. The physical size of the required package for
a set of the applicators is relatively compact and convenient. The applicators facilitate
self-applications of eye makeup within seconds rather than the 10 or 15 minutes presently
required.
1. A cosmetics applicator including: a substantially planar flexible sheet with a material
surface having a low coefficient of friction in the order of between 0.04 and 0.05;
and a cosmetics preparation and a waxy or oily underlay provided on said surface;
the waxy or oily underlay being applied to said surface; the material surface is electrostatically
charged thereby to attract the cosmetics preparation; the cosmetics preparation being
retained on said surface at least in part with the assistance of electrostatic attraction
between said surface and said cosmetics preparation and by the waxy or oily underlay,
wherein retention of said cosmetics preparation on the material surface, having the
low coefficient of friction, using electrostatic attraction and the application of
the waxy or oily underlay to the material surface allows a major proportion of the
cosmetics preparation to be rubbed off on to human skin surface in a single wiping
pass of the cosmetics preparation across the skin surface.
2. A cosmetics applicator according to claim 1, with said waxy or oily underlay being
cosmetic foundation.
3. A cosmetics applicator according to claim 1 or 2, with said material surface being
provided on a planar sheet shaped to provide a first portion defining said surface
and a second portion to be gripped between fingers or between thumb and a finger for
executing said single wiping pass.
4. A cosmetics applicator according to claim 3, with said first portion being relatively
larger than said second portion.
5. A cosmetics applicator according to claim 3 or 4, with said portions are defined at
least in part by generally curved edges of said sheet material.
6. A cosmetics applicator according to claim 3, 4 or 5, with said planar sheet being
elongated and said first portion being of a length and width to generally match an
eyelid; wherein the cosmetic preparation, together with the underlay, on the material
surface is capable of being rubbed off onto the skin of an eyelid in a single wiping
pass or swipe of the cosmetic preparation across the skin surface.
7. A cosmetics applicator according to any preceding claim, with said surface being substantially
formed of PTFE (poly-tetrafluoroethylene) or of a PTFE-containing composite of thickness
about 0.100 to 0.125 mm (about 4 to 5 thousandths of an inch).
8. A cosmetics applicator according to any preceding claim, with said cosmetics preparation
being a granular, dust-like or powder-based substance.
9. A cosmetics applicator according to any preceding claim, with said cosmetics preparation
being an eye shadow.
10. A cosmetics applicator according to any one of claims 1 to 7, with said cosmetics
preparation being a creme, wax or other liquid-based preparation.
11. A cosmetics applicator according to any preceding claim, with said cosmetics preparation
including different colours of said preparation in distinct areas of said surface
to facilitate different colour effects when the cosmetics applicator is used.
12. A cosmetic applicator according to any preceding claim, wherein overlaying of the
waxy or oily underlay with the cosmetic preparation on the material surface allows
in use the underlay to form an outer protective coating on the cosmetic preparation
once deposited onto the skin that assists in stabilising and maintaining the cosmetic
preparation over subsequent hours once applied.
1. Kosmetikapplikator, der umfasst: eine im Wesentlichen ebene, flexible Schicht mit
einer Materialoberfläche mit einem niedrigen Reibungskoeffizienten in der Größenordnung
von zwischen 0,04 und 0,05; und ein Kosmetikpräparat und eine wachsartige oder ölige
Unterlage, die auf der Oberfläche vorhanden ist; wobei die wachsartige oder ölige
Unterlage auf die Oberfläche aufgebracht wird; wobei die Materialoberfläche elektrostatisch
aufgeladen ist, um dadurch das Kosmetikpräparat anzuziehen; wobei das Kosmetikpräparat
auf der Oberfläche mindestens teilweise mit Unterstützung der elektrostatischen Anziehung
zwischen der Oberfläche und dem Kosmetikpräparat und mittels der wachsartigen oder
öligen Unterlage gehalten wird, wobei das Zurückhalten des Kosmetikpräparates auf
der Materialoberfläche, die den niedrigen Reibungskoeffizienten aufweist, bei Anwendung
einer elektrostatischen Anziehung und der Aufbringung der wachsartigen oder öligen
Unterlage auf die Materialoberfläche gestattet, dass ein Hauptanteil des Kosmetikpräparates
auf die menschliche Hautoberfläche in einem einzelnen Wischgang des Kosmetikpräparates
über die Hautoberfläche abgerieben wird.
2. Kosmetikapplikator nach Anspruch 1, bei dem die wachsartige oder ölige Unterlage die
Kosmetikbasis ist.
3. Kosmetikapplikator nach Anspruch 1 oder 2, bei dem die Materialoberfläche auf einer
ebenen Schicht bereitgestellt wird, die geformt ist, um einen ersten Abschnitt, der
die Oberfläche definiert, und einen zweiten Abschnitt zu liefern, der zwischen den
Fingern oder zwischen dem Daumen und einem Finger für das Ausführen des einzelnen
Wischganges ergriffen wird.
4. Kosmetikapplikator nach Anspruch 3, bei dem der erste Abschnitt relativ größer ist
als der zweite Abschnitt.
5. Kosmetikapplikator nach Anspruch 3 oder 4, bei dem die Abschnitte mindestens teilweise
durch die im Allgemeinen gebogenen Ränder des Schichtmaterials definiert werden.
6. Kosmetikapplikator nach Anspruch 3, 4 oder 5, bei dem die ebene Schicht länglich ist
und der erste Abschnitt eine Länge und eine Breite aufweist, um sich im Allgemeinen
an ein Augenlid anzupassen; wobei das Kosmetikpräparat zusammen mit der Unterlage
auf der Materialoberfläche auf die Haut eines Augenlides in einem einzelnen Wischgang
oder Aufbringen des Kosmetikpräparates über die Hautoberfläche abgerieben werden kann.
7. Kosmetikapplikator nach einem der vorhergehenden Ansprüche, bei dem die Oberfläche
im Wesentlichen aus PTFE (Polytetrafluorethylen) oder aus einem PTFEhaltigen Verbundmaterial
mit einer Dicke von etwa 0,100 bis 0,125 mm (etwa 4 bis 5 tausendstel eines in.) gebildet
wird.
8. Kosmetikapplikator nach einem der vorhergehenden Ansprüche, bei dem das Kosmetikpräparat
eine körnige, staubartige Substanz oder eine Substanz auf Puderbasis ist.
9. Kosmetikapplikator nach einem der vorhergehenden Ansprüche, bei dem das Kosmetikpräparat
ein Lidschatten ist.
10. Kosmetikapplikator nach einem der Ansprüche 1 bis 7, bei dem das Kosmetikpräparat
eine Creme, ein Wachs oder ein anderes Präparat auf Flüssigkeitsbasis ist.
11. Kosmetikapplikator nach einem der vorhergehenden Ansprüche, bei dem das Kosmetikpräparat
unterschiedliche Farben des Präparates in einzelnen Bereichen der Oberfläche umfasst,
um verschiedene Farbeffekte zu erleichtern, wenn der Kosmetikapplikator benutzt wird.
12. Kosmetikapplikator nach einem der vorhergehenden Ansprüche, bei dem das Überlagern
der wachsartigen oder öligen Unterlage mit dem Kosmetikpräparat auf der Materialoberfläche
gestattet, dass bei Benutzung die Unterlage einen äußeren Schutzüberzug auf dem Kosmetikpräparat
bildet, sobald es auf der Haut abgelagert ist, der das Stabilisieren und Halten des
Kosmetikpräparates über die nachfolgenden Stunden unterstützt, sobald es aufgebracht
ist.
1. Applicateur de produit cosmétique, englobant : une feuille flexible pratiquement plane,
comportant une surface de matériau présentant un coefficient de frottement réduit
compris entre environ 0,04 et 0,05 ; et une préparation cosmétique et une sous-couche
à base de cire ou d'huile appliquée sur ladite surface ; la sous-couche à base de
cire ou d'huile étant appliquée sur ladite surface, la surface du matériau étant ainsi
chargée de manière électrostatique afin d'attirer la préparation cosmétique ; la préparation
de cosmétique étant retenue sur ladite surface au moins en partie par l'intermédiaire
de l'attraction électrostatique entre ladite surface et ladite préparation cosmétique
ainsi que par la sous-couche à base de cire ou d'huile, la retenue de ladite préparation
cosmétique sur la surface du matériau, présentant le coefficient de frottement réduit,
utilisant l'attraction électrostatique et l'application de la sous-couche à base de
cire ou d'huile sur la surface du matériau, permettant de détacher par frottement
une proportion majeure de la préparation cosmétique, sur la surface de la peau humaine,
par un seul essuyage de la préparation cosmétique à travers la surface de la peau.
2. Applicateur de produit cosmétique selon la revendication 1, dans lequel ladite sous-couche
à base de cire ou d'huile est un fond de teint cosmétique.
3. Applicateur de produit cosmétique selon les revendications 1 ou 2, dans lequel ladite
surface du matériau est agencée sur une feuille plane, formée de sorte à établir une
première partie définissant ladite surface et une deuxième partie destinée à être
saisie entre les doigts ou entre le pouce et un doigt pour exécuter ledit seul essuyage.
4. Applicateur de produit cosmétique selon la revendication 3, dans lequel ladite première
partie est relativement plus grande que ladite deuxième partie.
5. Applicateur de produit cosmétique selon les revendications 3 ou 4, dans lequel lesdites
parties sont définies au moins en partie par des bords généralement courbés dudit
matériau de feuille.
6. Applicateur de produit cosmétique selon les revendications 3, 4 ou 5, dans lequel
ladite feuille plane est allongée, ladite première partie ayant une longueur et une
largeur telles à s'adapter en général à une paupière ; la préparation cosmétique,
ensemble avec la sous-couche, sur le matériau de surface, pouvant être détachée par
frottement sur la peau d'une paupière par un seul essuyage ou un balayage à travers
la surface de la peau.
7. Applicateur de produit cosmétique selon l'une quelconque des revendications précédentes,
dans lequel ladite surface est pour l'essentiel formée de PTFE (polytétrafluoréthylène)
ou d'un composite à base de PTFE, ayant une épaisseur comprise entre 0,100 et 0,125
mm (environ 4 à 5 millièmes de pouce).
8. Applicateur de produit cosmétique selon l'une quelconque des revendications précédentes,
dans lequel ladite préparation cosmétique est une substance granuleuse, de type poussiéreux
ou à base de poudre.
9. Applicateur de produit cosmétique selon l'une quelconque des revendications précédentes,
dans lequel ladite préparation cosmétique est une ombre à paupières.
10. Applicateur de produit cosmétique selon l'une quelconque des revendications 1 à 7,
dans lequel ladite préparation cosmétique est une crème, une cire ou une autre préparation
à base de liquide.
11. Applicateur de produit cosmétique selon l'une quelconque des revendications précédentes,
dans lequel ladite préparation cosmétique englobe différentes couleurs de ladite préparation
dans des zones distinctes de ladite surface, pour faciliter des effets de couleur
différente lors de l'utilisation de l'applicateur du produit cosmétique.
12. Applicateur de produit cosmétique selon l'une quelconque des revendications précédentes,
dans lequel la superposition de la sous-couche à base de cire ou d'huile à la préparation
cosmétique sur la surface du matériau permet en service à la sous-couche de former
un revêtement protecteur externe sur la préparation cosmétique lors du dépôt sur la
peau, facilitant la stabilisation et le maintien de la préparation cosmétique pendant
des heures ultérieures une fois celle-ci appliquée.


REFERENCES CITED IN THE DESCRIPTION
This list of references cited by the applicant is for the reader's convenience only.
It does not form part of the European patent document. Even though great care has
been taken in compiling the references, errors or omissions cannot be excluded and
the EPO disclaims all liability in this regard.
Patent documents cited in the description