Applicator for cosmetic products, particularly mascara, including the associated applicator assembly and the method for manufacturing such an applicator

The innovative applicator design with alternating winding directions and storage/application zones addresses the flexibility and ease-of-use challenges of existing mascara applicators, ensuring efficient and comfortable makeup application.

FR3124362B1Active Publication Date: 2026-04-17ALBEA SERVICES SAS
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Patent Information

Authority / Receiving Office
FR · FR
Patent Type
Patents
Current Assignee / Owner
ALBEA SERVICES SAS
Filing Date
2021-06-24
Publication Date
2026-04-17

AI Technical Summary

Technical Problem

Existing mascara applicators face challenges in achieving a compromise between weight distribution, flexibility, and ease of use, particularly in terms of helix pitch affecting applicator flexibility and makeup application effectiveness.

Method used

A cosmetic applicator design featuring at least two arms with alternating longitudinal and angular winding directions, incorporating storage and application zones, and optionally including protrusions, manufactured through additive manufacturing to ensure ease and comfort of use.

Benefits of technology

The design allows for efficient dispensing and application of cosmetic products with reduced excess, providing improved ease and comfort of use by alternating storage and application zones regardless of rotation direction, while maintaining flexibility and rigidity.

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Abstract

The invention relates to a cosmetic product applicator (1) comprising at least two arms (3) extending along a main longitudinal axis, referred to as the main axis (X), from a proximal end (1a) extended by a sleeve (5) to a free distal end (1b) opposite the proximal end (1a). At least one of the arms (3) comprises at least two portions (A, B, C), at least one of the portions (A, B, C) having a longitudinal winding in a different direction. Figure for the abstract: 3
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Description

Title of the invention: Applicator for cosmetic products, in particular mascara, associated applicator assembly and method for manufacturing such an applicator Technical field of the invention

[0001] The invention relates to an applicator for a cosmetic product, in particular mascara, and an associated applicator assembly. The invention further relates to a method for manufacturing such an applicator. Technical background

[0002] Mascara applicators can be made from fibrous elements held between the longitudinal sections of a twisted metal rod; these are commonly called "twisted brushes." The ends of the fibrous elements usually form sheaths along the longitudinal axis of the brush. By their manufacturing method, twisted brushes have a cylindrical sheath that offers limited possibilities in terms of makeup effects. Numerous solutions have already been proposed for giving twisted brushes various shapes.

[0003] Mascara applicators can also be obtained by injection molding of plastic material; they are then commonly called "plastic brushes." Thus, plastic brushes can have original shapes in order to offer particular makeup effects.

[0004] Thus, there exists a mascara applicator comprising branches that wind in a helix around the central axis.

[0005] However, depending on the helix pitch, these mascara applicators are designed for combing rather than volumizing lashes, and vice versa. Furthermore, the helix pitch affects the applicator's flexibility, particularly along the main axis, and its ease of use. It is therefore difficult to find a compromise between weight distribution and application while maintaining sufficient flexibility for a pleasant makeup experience.

[0006] There is therefore a need to improve applicators for cosmetic products, in particular to obtain applicators that provide good dispensing of the stored cosmetic product while being easy and comfortable to use. Summary of the invention

[0007] The invention relates to a cosmetic product applicator comprising at least two arms extending along a main longitudinal extension axis, referred to as the main axis, from a proximal end extended by a sleeve to an end distal free and opposite to the proximal end, at least one of the branches comprises at least two portions, at least one portion having a longitudinal winding in a different direction.

[0008] In other words, the applicator comprises application zones formed by the arms, which alternate with storage zones formed by the spaces created between the arms. The storage zones allow for the accumulation of cosmetic product, which can then be dispensed during application. The user does not need to refill the applicator and can apply makeup in a single step.

[0009] As the application progresses, there is an alternation between replenishing the cosmetic product and applying it, thus avoiding an excess of cosmetic product and ensuring better application.

[0010] Furthermore, the change in winding direction allows for a longitudinal alternation of storage and application zones, i.e. along the main axis, but also an angular alternation, i.e. around the main axis.

[0011] In other words, the storage areas and the application areas shift with the rotation of the applicator.

[0012] Thus, the user gains in ease and comfort of use. Indeed, regardless of the direction of rotation and / or the gesture of the applicator, the dispensing and application alternate in the same way.

[0013] According to different embodiments, which may be taken together or separately:

[0014] - the cosmetic product is mascara,

[0015] -the applicator comprises protrusions extending projecting from at least one of the arms,

[0016] - the applicator lacks a central core,

[0017] - the applicator comprises at least three arms,

[0018] - each of the branches comprises at least two portions having a coil longitudinal direction,

[0019] - at least one of the branches comprises at least three portions, each portion exhibiting a longitudinal winding in a different direction from the adjacent portion,

[0020] - the branches are narrow,

[0021] - the branches have a constant cross-section,

[0022] - the branches have a variable cross-section,

[0023] - the branches have a flat internal surface directed towards the main axis,

[0024] - the branches have a non-circular cross-section,

[0025] - the branches have a cross-section comprising a flat edge,

[0026] - the flat edge of the cross-section of the branches is oriented towards the interior of the applicator,

[0027] - the branches have a cross-section with a general portion-shaped cross-section circle,

[0028] - openings are defined between each of the branches,

[0029] - the branches alternate angularly with defined openings between each of the branches,

[0030] - the openings extend longitudinally,

[0031] - the openings extend longitudinally from the proximal end of the applicator towards the distal end of the applicator,

[0032] - the longitudinal rows follow the winding of the branch on which they are located,

[0033] - the winding of the branch around the main axis has a constant pitch between the proximal end and the free distal end,

[0034] - the winding of the branch around the main axis has a variable pitch between the proximal end and the free distal end,

[0035] - each portion has a different pitch,

[0036] - the pitch variation is identical for each of the branches,

[0037] - the branches may include at least one straight portion,

[0038] - the at least two branches define a cavity forming a reservoir volume,

[0039] - the cavity is generally cylindrical in shape,

[0040] - the cavity has a shape of revolution around the main axis,

[0041] - the cavity does not have a shape of revolution around the main axis,

[0042] - the flat edge of the cross-section of the branches is oriented in the direction of the cavity,

[0043] - the at least two branches wind parallel to each other around the axis main,

[0044] - the at least two branches join at the free distal end,

[0045] - at least two branches are linked at the level of the free distal end,

[0046] - each of the at least two branches comprises at least one longitudinal row protuberances extending radially outward from the branch,

[0047] - each of the at least two branches comprises three longitudinal rows of protu bergences extending radially outward from the branch,

[0048] - the protuberances are arranged in radial rows perpendicular to the axis main,

[0049] - the protuberances comprise a flat upper face directed towards the end distal end of the applicator,

[0050] - the protuberances comprise a lower flat face directed towards the end proximal,

[0051] - the upper face and the lower face extending from a base connected to the branch towards an opposite free end, the free end being circular.

[0052] - the circular free end of the protuberances has an angular offset by report to the base.

[0053] - at least two branches are made of plastic or synthetic material.

[0054] - the applicator has an envelope formed by the distal end of the protu In terms of management, the said envelope has a cylindrical profile with a circular cross-section.

[0055] - the applicator is a monolithic part,

[0056] - the applicator is a part obtained without assembly,

[0057] - the applicator is a part obtained by additive manufacturing.

[0058] The invention also relates to an applicator assembly for a cosmetic product, including:

[0059] - a container comprising a body forming a reservoir intended to contain the product cosmetics, and

[0060] - an applicator of the cosmetic product as described above, adapted to be fixed to the container, so that the applicator is housed inside the reservoir.

[0061] The invention also relates to a method for manufacturing an applicator for a cosmetic product, in particular mascara, as described above.

[0062] The process comprises:

[0063] - a step in developing a digital model of the applicator;

[0064] - a manufacturing step of the applicator using the digital model. Brief description of the figures

[0065] Other features and advantages of the invention will become apparent upon reading the detailed description that follows, for an understanding of which reference should be made to the accompanying drawings in which:

[0066] [Fig-1] [Fig.1] is a cross-sectional view of an example of an applicator assembly according to the invention;

[0067] [Fig.2] [Fig.2] is a perspective view of an applicator according to the invention;

[0068] [Fig.3] [Fig.3] is a side view of the applicator of [Fig.2];

[0069] [Fig.4] [Fig.4] is a longitudinal section of the applicator of [Fig.3];

[0070] [Fig.5] [Fig.5] is a cross-sectional view AA of the applicator of [Fig.3]

[0071] [Fig.6] [Fig.6] is a perspective view of [Fig.5];

[0072] [Fig.7] [Fig.7] is a perspective view of a cross-section BB of the applicator of the [Fig.3]. Detailed description of the invention

[0073] Figures 1 to 7 show an example of an embodiment of an applicator 1 for cosmetic product, in particular a cosmetic product to be applied to eyelashes and eyebrows, such as mascara.

[0074] In the embodiment shown in Figures 1 to 7, the applicator 1 comprises three branches 3 extending along a main longitudinal extension axis, referred to as the main axis and identified as X on the [Fig. 1], from a proximal end la extended by a sleeve 5 to a distal end 1b free and opposite the proximal end la.

[0075] Advantageously, the applicator 1 can comprise an even or odd number of branches 3.

[0076] Thus, in other embodiments not shown, the applicator 1 may comprise two branches 3, or even four branches 3, or even five branches 3, or even six branches 3.

[0077] The proximal end of the applicator 1 is suitable for being fixed to a rod 7 of the applicator 1 by the sleeve 5 extending the branches 3.

[0078] At the proximal end la, the branches 3 are linked to a stop ring 9 of the sleeve 5 and extend to the opposite end where they join and are linked together to form the free distal end 1b of the applicator 1.

[0079] In other words, the branches 3 are rods of material which extend longitudinally along the main X axis from the proximal end la located towards the sleeve 5 in the direction of the opposite free distal end 1b.

[0080] The branches 3 are angularly distributed around the main X axis.

[0081] In other embodiments not shown, the branches 3 may extend along an axis inclined with respect to the sleeve 5. The branches may also have at least one convex or concave longitudinal curvature,

[0082] Preferably, the branches 3 are arranged regularly around the main X axis. In other words, the branches 3 are spaced around the main X axis with a substantially identical angular spacing.

[0083] Advantageously, this angle depends on the number of branches 3 and their distribution around the main X axis.

[0084] Thus, in the case of two branches 3, the branches 3 are spaced with an angular space substantially equal to 180° angle.

[0085] In the case of three branches 3, the branches 3 are spaced with an angular space substantially equal to 120° angle.

[0086] In the case of four branches 3, the branches 3 are spaced with an angular space substantially equal to 90° angle.

[0087] In the case of five branches 3, the branches 3 are spaced with an angular space substantially equal to 72° angle.

[0088] In the case of six branches 3, the branches 3 are spaced with an angular space substantially equal to 60° angle.

[0089] In the illustrated embodiment, the three branches 3 are thus regularly spaced around the main X axis with an angular space substantially equal to 120° angle.

[0090] Here, branches 3 are narrow. By narrow, we mean longer than they are wide.

[0091] Thus, the cross-section of the branches 3 is inscribed in a circle of diameter d less than a length 1 of applicator 1. Length 1 is measured from the proximal end 1 of applicator 1 to the distal end 1b of applicator 1 as seen in [Fig.2].

[0092] Thus, advantageously, the ratio 1 / d is between 5 and 40. Preferably, the ratio 1 / d is about 20.

[0093] In the embodiment shown here, the branches 3 have an internal surface directed towards the main X-axis planar.

[0094] In other words, the branches 3 have a cross-section generally shaped like a portion of a circle including a flat edge 10. The flat edge 10 of the cross-section of the branches 3 is oriented towards the interior of the applicator 1.

[0095] The shape and dimensions of the cross-section are substantially constant over the entire length of the branches 3.

[0096] In other embodiments not shown, the arms 3 may have a variable cross-section, both in shape and size. The size of the arms, in particular the variation in diameter d, allows for adjustments to the flexibility of the applicator, which can thus be customized.

[0097] The branches 3 thus form an applicator 1 of generally elongated shape.

[0098] Advantageously, the three branches 3 alternate angularly with openings 11. In other words, the openings 11 are defined between each of the branches 3 and extend longitudinally from the proximal end 1a of the applicator 1 to the distal end 1b.

[0099] Advantageously, the applicator 1 illustrated herein further comprises a plurality of protrusions 13 extending radially outward from the branches 3 of a base 13a connected to the branch 3 towards a free opposite end 13b.

[0100] On the other hand, sleeve 5 is devoid of protrusions.

[0101] The protuberances 13 are formed from the material along with the branch 3 from which they protrude. In other words, the branches 3 and the protuberances 13 are made in one piece.

[0102] The protuberances 13 are arranged in longitudinal rows RI and in radial rows Rr.

[0103] The longitudinal rows RI follow the winding of the branch 3 on which they are located.

[0104] The radial rows Rr are perpendicular to the principal X axis.

[0105] Advantageously, in the case of branches 3 comprising protuberances 13, The branches 3 form application zones which are used to apply the cosmetic product but also to comb, for example the eyelashes and / or eyebrows.

[0106] The branches 3 thus define application zones, which alternate angularly with storage zones formed by the openings 11 between the branches 3.

[0107] In the embodiment shown here, each of the branches 3 has three longitudinal rows RI of protrusions 13 extending radially outward from the branch 3.

[0108] The protrusions 13 comprise a flat upper face 15 directed towards the distal end 1b of the applicator 1 and a flat lower face 17 directed towards the proximal end 1a. In other words, in this embodiment, the protrusions 13 are flat and extend in a plane perpendicular to the principal X axis.

[0109] Furthermore, advantageously, in this embodiment the free end 13b of the protrusions 13 is circular. The circular free end 13b is angularly offset with respect to the base 13a. In other words, the free end 13b of the protrusions 13 is not centered with respect to the base 13a.

[0110] This particular shape of the protrusions 13 helps to perfect the combing and separation of the eyelashes. In particular, the offset of the free end 13b allows for an additional reservoir of cosmetic product, enabling the addition of volume and length to each eyelash.

[0111] In the embodiment shown here, the free ends 13b of the protrusions 13 are oriented in the same direction of rotation. This allows for a preferred application direction and promotes a particular makeup effect depending on the application direction. Two distinct makeup effects can thus be achieved depending on the chosen application direction.

[0112] In this embodiment, the distal protrusions 13, that is, the protrusions 13 extending near the distal end 1b of the applicator 1, have different heights. The free distal ends 13b of the protrusions 13 thus form an ogive-shaped envelope El.

[0113] The protuberances 13 which extend between the proximal end of the applicator 1 and the distal protuberances 13 have for a given row all substantially the same height and form a general envelope E2 substantially cylindrical with circular cross-section (see [Fig.2]).

[0114] The ogive-shaped envelope facilitates the insertion and / or removal of the applicator 1 through a neck 19 of a container 21 containing the cosmetic product.

[0115] In another embodiment not shown, the distance between the base of the protrusion and the free end of the protrusions 13 can be substantially the same for all the protrusions 13 that comprise the applicator 1. The free distal ends of the protrusions 13 then form a cylindrical envelope.

[0116] In yet another embodiment not shown, the protrusions 13 may have a different height from one row to the next. The free distal ends of the protrusions 13 then form an envelope whose shape may vary, in particular an envelope that is at least partly substantially concave, convex, or even has several vertices.

[0117] Advantageously, the applicator 1 is devoid of a central core, allowing the arms 3 to define a central cavity 23 forming an additional reservoir volume for the cosmetic product. The openings 11 then allow the cosmetic product to be dispensed.

[0118] In other words, the cavity 23 is delimited by the branches 3 of the applicator 1 and includes openings 11.

[0119] In this embodiment, the cavity 23 is generally cylindrical in shape with a hexagonal cross-section, three sides of which are defined by the flat edges 10 of the cross-sections of the branches 3 and the other three sides are defined by the openings 11.

[0120] The application areas allow the cosmetic product stored in the storage areas to be applied. In particular, in the case of an applicator 1 comprising protrusions 13, the application areas allow, for example, the combing of eyelashes and / or eyebrows.

[0121] In this embodiment, the three branches 3 each comprise three portions: a first portion A located towards the sleeve 5, a second central portion B and a third portion C located towards the free distal end 1b of the applicator 1.

[0122] According to the invention, at least one of the portions A, B, C have a longitudinal winding in a different direction.

[0123] The winding direction is defined by looking at the winding direction of the branch portion around the main X axis from the proximal end la of the applicator 1 to the distal end 1b of the applicator 1.

[0124] We can thus have a winding to the left or a winding to the right.

[0125] Left-hand winding means winding in the direction of rotation clockwise when looking at applicator 1 of the free distal end 1b and counterclockwise when looking at applicator 1 of the proximal end la.

[0126] Rightward winding means winding in the opposite direction of clockwise rotation when viewed from the applicator 1 of the free distal end 1b and in the direction of clockwise rotation when viewed from the applicator 1 of the proximal end la.

[0127] Advantageously, at least one of the branches 3, preferably each of the branches 3, may comprise at least two portions, preferably three portions, or even four portions, or even five portions, each of the portions having a longitudinal winding in a different direction.

[0128] In particular, when the branches 3 comprise at least three portions A, B, C, each portion A, B, C has a longitudinal winding in a different direction from the adjacent portion A, B, C.

[0129] Thus, in the embodiment shown, the first portions A and the third portions C have a leftward winding and the second central portions B have a rightward winding, as illustrated in [Fig.3] with arrows.

[0130] Advantageously, the branches 3 extend longitudinally along the main X axis by winding parallel to each other.

[0131] Preferably, as illustrated here, the branches 3 are linked together at the free distal end 1b of the applicator 1 and they are linked to the stop ring 9 of the sleeve 5 at the proximal end la.

[0132] In another embodiment not shown, the branches 3 may include at least one straight portion. In other words, a portion of the branch 3 may be unwound around the main X axis. The straight portion(s) may be inserted between the portions A, B, C exhibiting a winding, and / or be located towards the proximal end 1a, and / or towards the distal end 1b, and / or in the center of the branch 3. The essential point is to have at least one area the length of the branch 3 exhibiting a winding with at least two different directions.

[0133] The pitch of the winding of a branch 3 around the main X axis can be constant, or variable between the proximal end la and the free distal end 1b.

[0134] For example, each portion A, B, C may have a different step.

[0135] The pitch variation can be identical for each of the branches 3, so that all the branches 3 of the applicator 1 extend parallel to each other.

[0136] In other embodiments not shown, the branches 3 can be linked together at a plurality of points, for example two points, or even three points, or four points. For example, the branches 3 can be linked together at changes in the winding direction. In other words, the applicator 1 can include connection points (or material bridges) for linking the branches 3 together. The number of connection points can depend on the number of portions A, B, C per branch 3.

[0137] The change in winding direction allows for a longitudinal alternation of storage and application zones, i.e. along the main X axis, but also an angular alternation, i.e. around the main X axis.

[0138] As the application progresses, there is an alternation between product restitution cosmetics and application thus avoiding excess cosmetic product and better application.

[0139] Furthermore, in the case of an applicator 1 comprising protrusions 13, the application areas, i.e., the arms 3, allow for the combing of eyelashes and / or eyebrows. The change in the direction of the winding gives the impression that the height of the protrusions 13 changes around the main X axis.

[0140] Furthermore, the change in winding direction, in the case of an applicator 1 comprising protrusions 13, allows the formation of grooves 18 on the envelope E2 formed by the free ends 13b of the protrusions 13. The grooves allow additional storage of cosmetic product.

[0141] Thus, the user benefits from increased ease and comfort of use. Indeed, regardless of the direction of rotation of the applicator 1 and / or the user's movement, the application and release alternate identically. Furthermore, changing the winding direction of the arms 3 provides the applicator with a compromise between flexibility and rigidity.

[0142] Advantageously, the applicator 1 is a single monolithic part obtained without assembly. In other words, the applicator 1 is not obtained by assembly.

[0143] Assembly is understood here as the act of putting together, joining at least two isolated elements, but does not exclude the possibility of several steps.

[0144] It should also be noted that the applicator 1 advantageously forms a brush.

[0145] Preferably, the applicator 1 described above is obtained by an additive manufacturing process.

[0146] Additive manufacturing is defined as a manufacturing process that involves adding material, generally with computer assistance. Such a manufacturing process is also called three-dimensional printing or 3D printing.

[0147] Advantageously, the use of 3D printing can enable the production, in a single step, of a one-piece, continuous applicator 1 comprising at least two arms 3, at least one of which includes at least two portions with a longitudinal winding in different directions. Such an applicator 1 could prove very complex or even impossible to obtain, particularly in a single piece, by a conventional injection molding process. It is thus possible to produce the applicator 1 directly in a single manufacturing operation. Furthermore, this technique eliminates the need for complex molds.

[0148] It can also be envisaged as an alternative embodiment that three-dimensional printing is used to form the core with the sleeve 5 and / or the rod 7.

[0149] Various additive manufacturing technologies known to those skilled in the art can be used. In particular, these may include:

[0150] - fused deposition modeling (FDM),

[0151] - Selective Laser Melting (SLM),

[0152] - Selective Laser Sintering (SLS),

[0153] - electron beam melting (EBM),

[0154] - stereolithography or photopolymerization (SLA for Stereolithography Apparatus (in English), or

[0155] - Laminated Object Manufacturing (LOM) modeling English).

[0156] Preferably, these are sintering and / or stereolithography technologies.

[0157] The invention further relates to a method for manufacturing an applicator 1 such that described above. The process includes:

[0158] - a step in developing a digital model of the applicator 1;

[0159] - a manufacturing step of the applicator 1 using the digital model.

[0160] The digital model is a computer file that corresponds to a virtual model of applicator 1. To obtain it, applicator 1 is first modeled to produce a CAD model, which is then converted into a suitable format such as an .STL file. The file is then processed by an additive manufacturing machine. During processing, the digital model is sliced ​​into a number of layers depending on the desired precision. Preferably, the layers correspond to a cross-section of applicator 1, that is, a section of applicator 1 taken in a plane perpendicular to the principal X-axis.

[0161] Suitable materials for manufacturing the applicator 1 by three-dimensional printing are polyamides, photosensitive resins, polylactic acid (PLA), acrylonitrile butadiene styrene (ABS), polypropylene (PP), recycled polypropylene (R-PP).

[0162] The invention also relates to an applicator assembly 25 for a cosmetic product, comprising a container 21 having a body 27 forming a reservoir for holding the cosmetic product (not shown), and an applicator 1, as described above, adapted to be fixed to the container 21, so that the applicator 1 is housed inside the container 21, i.e., the reservoir. The applicator 1 is fixed, for example, to a proximal end of the rod 7, itself fixed to a cap 29 advantageously screwed onto the container 21.

[0163] Advantageously, the container includes a wringer 31 fixed inside the container 21, in particular in the neck 19 or the opening of the container 21.

[0164] Advantageously, the envelope El, E2 of the applicator 1 formed by the free ends 13b of the protuberances 13 has a cross-section of generally circular shape and whose maximum diameter is practically identical to the internal diameter of the wringer 31.

[0165] Thus, passing the applicator 1 through the wringer 31 allows the excess to be removed of cosmetic product but also to homogenize the distribution of the cosmetic product along the branches 3 due to their flexibility.

[0166] Furthermore, the formation of grooves 18 on the envelope E2 caused by the change in winding direction, in the case of an applicator 1 comprising protrusions 13 allows additional storage of cosmetic product.

[0167] Advantageously, the applicator assembly 25 can be obtained in whole or in part by three-dimensional printing.

Claims

Demands

1. Applicator (1) for cosmetic product comprising at least two arms (3) extending along a main longitudinal extension axis, referred to as the main axis (X), from a proximal end (la) extended by a sleeve (5) to a distal end (1b) free and opposite to the proximal end (la), at least one of the arms (3) comprising at least two portions (A, B, C), at least one of the portions (A, B, C) having a longitudinal winding in a different direction, the at least two arms (3) defining a cavity (23) forming a reservoir volume.

2. Applicator (1) according to the preceding claim, wherein each of the arms (3) comprises at least two portions (A, B, C) having a longitudinal winding of different direction.

3. Applicator (1) according to any one of the preceding claims, wherein at least one of the arms (3) comprises at least three portions (A, B, C), each portion (A, B, C) having a longitudinal winding in a different direction from the adjacent portion (A, B, C).

4. Applicator (1) according to any one of the preceding claims, wherein the branches (3) alternate angularly with openings (11) defined between each of the branches (3) and extend longitudinally.

5. Applicator (1) according to any one of the preceding claims, wherein the at least two arms (3) wind parallel to each other around the main axis (X).

6. Applicator (1) according to any one of the preceding claims, wherein the arms (3) have an internal surface directed towards the main plane axis (X).

7. Applicator (1) according to any one of the preceding claims, wherein each of the at least two arms (3) comprises at least one longitudinal row (RI) of protrusions (13) extending radially outward from the arm (3), said longitudinal rows (RI) following the winding of the arm (3) on which they are located.

8. Applicator (1) according to any one of the preceding claims, wherein each of the at least two arms (3) has three longitudinal rows (RI) of protrusions (13) extending radially outward from the arm (3).

9. Applicator (1) according to any one of claims 7 or 8, wherein the protrusions (13) comprise a flat upper face (15) directed towards the distal end (1b) of the applicator (1) and a flat lower face (17) directed towards the proximal end (1a), the upper face (15) and the lower face (17) extending from a base (13a) connected to the arm (3) to an opposite free end (13b), the free end (13b) being circular.

10. Applicator (1) according to the preceding claim, wherein the circular free end (13b) of the protrusions (13) has an angular offset relative to the base (13a).

11. Applicator (1) according to any one of claims 9 or 10, having a cover (El, E2) formed by the distal end of the protrusions (13), said cover (El, E2) having a cylindrical profile with a circular cross-section.

12. Applicator (1) according to any one of the preceding claims, wherein the applicator (1) is a monolithic part obtained without assembly and by additive manufacturing.

13. Applicator assembly (31) for cosmetic product, comprising: - a container (21) including a body (27) forming a reservoir for containing the cosmetic product, and - an applicator (1) of the cosmetic product according to any one of claims 1 to 12 adapted to be fixed on the container (21), so that the applicator (1) is housed inside the reservoir.

14. A method for manufacturing an applicator (1) for a cosmetic product according to any one of claims 1 to 12, the method comprising: - a step of developing a digital model of the applicator (1); - a step of manufacturing the applicator (1) using the digital model.