WO2020017421A1

WO2020017421A1 - Solid cosmetic and production method therefor

Info

Publication number: WO2020017421A1
Application number: PCT/JP2019/027462
Authority: WO
Inventors: 彩や香湊; 黒岩　利光; 英彦伏見; 祐輔中野; 有喜子蛭間
Original assignee: 株式会社資生堂
Priority date: 2018-07-18
Filing date: 2019-07-11
Publication date: 2020-01-23
Also published as: JP2020011921A; TW202005630A; JP7248211B2

Abstract

[Problem] To obtain a solid cosmetic with an added element of surprise for the user in that the cosmetic has a center body which is not exposed and the cosmetic is only revealed to be one which comprises a center body and an outer layer body upon use, and to produce such a solid cosmetic easily. [Solution] A solid cosmetic is composed of a center body (2a) comprising a first composition, and an outer layer body (2b) comprising a second composition and covering the entire surface of the center body (2a). The solid cosmetic composed of the center body (2a) and the outer layer body (2b) covering the entire surface of the center body (2a) is produced by filling the second composition into a forming mold (4) having a bottomed recess (4a) with a top end opening and a central axis extending in a vertical direction, rotating the forming mold (4) about the central axis to position the second composition in the form of a layer along the inner surface of the bottomed recess (4a) and thereby form an outer layer portion (2B) having a hollow cavity on the inner side, and then filling the first composition into the hollow cavity to form a center portion (2A), and solidifying the center portion (2A) and the outer layer portion (2B).

Description

Solid cosmetic and method for producing the same

The present invention relates to a solid cosmetic and a method for producing the same, and more particularly, to a solid cosmetic such as a lipstick comprising a plurality of materials having different raw material compositions and a method for producing the same.

棒 Conventionally, stick cosmetics such as lipstick have been known as solid cosmetics. Further, as the lipstick, a material having a material composition different from that of the material forming the center body and the material forming the outer layer body, for example, a material having a different color tone is used, which includes a center body and an outer layer body covering the outside of the center body. Two-layer lipsticks are known.

A conventional two-layer lipstick uses a split mold having a concave portion and a middle core having an outer diameter smaller than the inner diameter of the concave portion of the mold, and the central core is inserted at the center position of the concave portion of the mold. Filling the first material outside the core in the recess, extracting the core after the first material has solidified, filling the cavity after the core has been removed with the second material and solidifying it; It was manufactured by.

In the conventional two-layer lipstick, the central body is exposed at the tip of the lipstick, and when the lipstick is viewed from the tip side, the central body and the outer layer body can be visually recognized as a double circle.

As a method of manufacturing a lipstick, there is known a method of filling and solidifying a material while rotating the mold when filling and solidifying the material in the mold. For example, Patent Literature 1 and Patent Literature 2 disclose a so-called marble having a pattern in which two materials having different compositions are mixed in a concave portion of a mold at the same time while rotating the mold, and the two materials are mixed unevenly. A method for producing a lipstick in the shape of a lipstick is disclosed.

JP-A-59-225108 JP 2000-229817 A

However, the conventional two-layer lipstick is manufactured by using the mold having the core as described above, and assembling the split mold, inserting the core into the recess, and filling the first material. Then, after the first material has solidified, the core is extracted, and then the hollow material after the core has been removed is filled with the second material and solidified. The work is complicated, the number of manufacturing steps is large, and there has been a demand to simplify the manufacturing.

Further, in the conventional two-layer lipstick, the central body is exposed at the tip of the lipstick, and when the lipstick is viewed from the tip side, the central body and the outer layer body can be visually recognized as a double circle. Before the start of use, it was possible to know that it was a two-layer lipstick consisting of a central body and an outer layer body.

In view of the above circumstances, the object of the present invention is to make it possible for a user to know that the cosmetic is composed of a central body and an outer layer body while the central body is not exposed and used, and to provide the user with unexpected feeling and fun. It is to provide a solid cosmetic that can be given.

Another object of the present invention is to provide a method for easily producing a solid cosmetic comprising a central body and an outer layer in view of the above circumstances.

固形 The solid cosmetic according to the present invention is characterized by comprising a central body composed of the first composition and an outer layer composed of the second composition covering the entire surface of the central body.

Here, "covering the entire surface" means that 95% or more of the entire outer surface of the solid cosmetic that is exposed when sold as a product is only the second composition. The remaining surface portion may be a first composition or a mixture of a first composition and a second composition. More preferably, 98% or more of the entire outer surface is the second composition only, and more preferably, 100% is the second composition only.

体積 It is desirable that the volume ratio between the central body and the outer layer body is 5: 1 to 1: 5. The volume ratio is the volume ratio between the entire central body and the entire outer layer body in a state of being sold as a product.

硬度 The outer layer body preferably has a hardness of 5 to 100. The hardness is the penetration hardness when the adapter of the rheometer enters the sample, and the peak of the stress when the adapter of 1 mmφ enters the sample from above at a measurement temperature of 25 ° C. at a speed of 30 mm / min. Value (unit is gf).

比 The specific gravity difference between the central body and the outer layer body is preferably 0.05 or less. The specific gravity difference is a specific gravity difference after the first composition and the second composition are solidified, that is, a difference between the specific gravity of the central body and the specific gravity of the outer layer body. Either the central body or the outer layer body may have a higher specific gravity.

平均 The outer layer body preferably has an average thickness of 0.1 mm to 3.0 mm. More preferably, the average of the thickness of the outer layer body is 0.5 mm to 1.5 mm. Here, the thickness of the outer layer means the average value of the thickness of the outer layer over the entire outer surface exposed in a state where the solid cosmetic is sold as a product.

The shape of the solid cosmetic can be, for example, a stick such as lipstick.

In the method for producing a solid cosmetic according to the present invention, a mold having a bottomed concave portion having an upper end opening having a central axis extending in a vertical direction is filled with the second composition, and the mold is rotated around the central axis. Then, the second composition is layered along the inner surface of the bottomed recess to form an outer layer portion having a cavity inside, and then the cavity is filled with the first composition to form a central portion. And solidifying the outer layer portion and the central portion.

The “center” and “outer layer” mean those in a molten state before solidification. Further, the first composition may be filled while rotating the mold, or may be filled while the rotation is stopped.

回転 The rotation speed of the mold is preferably 500 to 1500 rpm. Further, the rotation speed of the mold is more preferably 700 to 900 rpm.

Since the solid cosmetic according to the present invention covers the entire surface of the central body with the outer layer body, the user can visually recognize only the outer layer body, and the cosmetic is in a state in which it is not known that the central body exists inside. When the use is started, and the outer layer body at the tip portion is consumed some time after use, the central body appears, so that it is possible to give the user an unexpected feeling and interest, and to differentiate the product and improve the product value. be able to.

In the method for producing a solid cosmetic according to the present invention, the mold is filled with the second composition, the mold is rotated, and the second composition is positioned in a layered manner along the inner surface of the concave portion of the mold by centrifugal force. In this state, the first composition is filled and solidified in the cavity inside the second composition layered in this state, so that the manufacturing process is as follows. Only the rotation of the first composition and the filling of the first composition are required, and as in the conventional manufacturing method using a split mold, the work of mold combination, insertion of the core, and removal of the core are unnecessary, and the number of steps is small. The manufacturing process is simplified, and the device can be manufactured at low cost.

A perspective view showing a lipstick with a container provided with one embodiment of a solid cosmetic concerning the present invention. Partial sectional front view showing a lipstick portion of the lipstick with a container shown in FIG. 1 in a sectional view. Sectional drawing which shows the shaping | molding die used for one Embodiment of the manufacturing method of the solid cosmetics which concerns on this invention. The figure explaining the 1st manufacturing process in the manufacturing method using the molding die shown in FIG. The figure explaining the 2nd manufacturing process in the manufacturing method using the shaping | molding die shown in FIG. The figure explaining the 3rd manufacturing process in the manufacturing method using the shaping | molding die shown in FIG. The figure explaining the 4th manufacturing process in the manufacturing method using the shaping | molding die shown in FIG.

Hereinafter, embodiments of a solid cosmetic and a method for producing the same according to the present invention will be described with reference to the drawings.

The embodiment described below is an example in which the solid cosmetic according to the present invention and the method for producing the same are applied to a stick-like (stick-shaped) two-layer lipstick and a method for producing the same. FIG. FIG. 2 is a perspective view showing a two-layer lipstick 1 with a container provided with a two-layer lipstick 2 as one embodiment of the solid cosmetic, and FIG. 2 is a front view of the two-layer lipstick 1 with a container shown in FIG. FIG. 3 is a partial cross-sectional front view showing a two-layer lipstick 2 in a vertical cross section.

１，２As shown in FIGS. 1 and 2, the two-layer lipstick 2 includes a central body 2a and an outer layer body 2b covering the entire surface of the central body 2a. The central body 2a is made of a first composition, and the outer layer body 2b is made of a second composition different in composition from the first composition. The two-layer lipstick 2 is accommodated in a dispensing container 3, and the two-layer lipstick 2 and the dispensing container 3 constitute a two-layer lipstick 1 with a container.

FIG. 3 is a cross-sectional view showing a state in which an ogive 4 which is an example of a molding die used for manufacturing the two-layer lipstick 2 and a feeding container 3 are combined. As shown in the drawing, the feeding container 3 includes a cylindrical outer cylinder 10, a cylindrical inner cylinder 11, and a cylindrical middle plate 12. The outer cylinder 10 has an open upper end, a bottom plate 10a at the lower end, a spiral groove 10b on the inner surface, and the bottom plate 10a has a through hole 10c at its center. The inner cylinder body 11 is inserted into the outer cylinder body 10 so as to be rotatable relative to the outer cylinder body 10 so as not to come out of the outer cylinder body 10, and the upper and lower ends are open, and It has a slit 11a that is open at the lower end and extends in the vertical direction in the figure). The inner plate body 12 is open at the upper and lower ends, and has a rib 12a on its inner surface for preventing the two-layer lipstick 2 from slipping out and rotating. The inner plate body 12 has a projection 12b on the outer peripheral surface near the lower end. The diameter of the projection 12b is slightly smaller than the width of the slit 11a of the inner cylinder, and the spiral groove 10b of the outer cylinder is formed. Is slightly smaller than the width of the groove, and is inserted into the spiral groove 10b through the slit 11a.

In the illustrated feeding container 3, the inner plate body 12 can move up and down only in the axial direction along the slit 11 a because the projection 12 b penetrates the slit 11 a of the inner cylinder body. On the other hand, when the outer cylinder 10 is relatively rotated, the projection 12b is guided by the spiral groove 10b, and thus the inner plate body 12 moves vertically in the inner cylinder 11. FIG. 3 schematically shows the structure of the feeding container 3 so that the movement of the feeding container 3 can be understood.

The ogive 4 is a molding die of resin or silicon, has an opening at the lower end in FIG. 3, has a cylindrical shape in which the upper end is gradually narrowed and closed, and the tip is gradually narrowed inside. It has a substantially bullet-shaped cavity 4a. When the two-layer lipstick 2 is manufactured, as shown in FIG. 3, the lower end of the ogive 4 is fed out and brought into contact with the upper end of the container 3, and the two are combined. And manufacturing is performed.

Next, an embodiment of a method for manufacturing a two-layer lipstick according to an embodiment of the present invention will be described with reference to FIGS. The production of the two-layer lipstick 2 is performed by a stage A having an A tank for storing the second composition and a stage B having a B tank for storing the first composition. 4 to 7, a part of the rib 12a of the inner plate is omitted.

First, the combined body 5 of the ogive 4 and the feeding container 3 shown in FIG. 3 is held by a holder (not shown) with the ogive 4 down, and the combined body 5 is transferred to the stage A together with the holder, as shown in FIG. As described below. Then, a predetermined amount of the second composition heated and melted and stored in the A tank 6 is fed from the A tank 6 into the ogive 4 through a through hole 10c formed in the bottom plate of the container. The filling of the second composition into the ogive 4 can be performed at an appropriate flow rate, for example, at a flow rate of 3.7 ml / 1.2 seconds.

After a predetermined amount of the second composition is injected and filled into the ogive 4 at the stage A, the assembly 5 is transferred to the stage B together with the holder, and is stopped under the B tank 7 as shown in FIG. In this state, the holder is rotated to rotate the combined body 5 at a predetermined rotation speed about its central axis (the central axis extending in the vertical direction of the combined body 5).

Due to this rotation, as shown in FIG. 6, the second composition in the ogive 4 is positioned in a layer along the inner surface of the ogive 4 by the action of centrifugal force due to the rotation, and a cavity is formed inside the second composition. Let it form. That is, the outer layer portion 2B made of the second composition in a molten state having a cavity inside is formed in a layered shape along the inner surface of the ogive 4. At this time, the upper end of the second composition has risen to the position of the rib 12a of the inner plate. In this state, while the rotation of the combined body 5 is continued, a predetermined amount of the first composition heated and melted from the B tank 7 is injected and filled into the cavity inside the second composition, and the inside of the outer layer portion 2B is filled. A central portion 2A made of the first composition in a molten state is formed to obtain a state shown in FIG. The filling of the first composition can be started after the assembly 5 filled with the second composition in the ogive 4 is rotated, for example for 1-2 seconds. The filling of the first composition can be performed at an appropriate flow rate, for example, at a flow rate of 2.2 ml / 1.2 seconds.

(7) After the first composition is filled in the ogive 4 and the state shown in FIG. 7 is reached, forced cooling is started while continuing rotation. The rotation continues until at least the first composition and the second composition are cooled and the first composition and the second composition can maintain the shape shown in FIG. 7 without being rotated. . For example, immediately after the first composition is filled in the ogive 4, forced cooling is started, and after the first composition is filled in the ogive 4, rotation is continued for 1 to 2 seconds. Rotation can be stopped. Then, after the first composition (center portion 2A) and the second composition (outer layer portion 2B) are finally cooled and solidified to form a two-layer lipstick 2 composed of the center member 2a and the outer layer member 2b. Then, the union 5 is removed from the holder, and the ogive 4 is removed from the two-layer lipstick 2, whereby the two-layer lipstick 1 with a container as shown in FIG. 1 is manufactured.

体積 The volume ratio between the center body 2a and the outer layer body 2b is preferably 5: 1 to 1: 5. Here, the volume ratio is the volume ratio of the entire two-layer lipstick 2 including the part contained in the inner plate 12 in a solidified state.

硬度 The hardness of the outer layer body 2b is preferably 5 to 100. The definition of hardness is as described above. If the hardness is 5 or less, it is difficult to cleanly remove the outer layer 2b from the ogive 4 without damaging the outer layer 2b because of its softness, and it becomes difficult to form the outer layer 2 properly. On the other hand, when the hardness is 100 or more, the center body 2a does not easily come out even when applied because it is hard, so that the excitement of the center body 2a is less likely to be felt.

比 The specific gravity difference between the central body 2a and the outer layer body 2b is preferably 0.05 or less, and the specific gravity difference may be zero. The definition of the specific gravity difference is as described above. When the specific gravity difference is larger than 0.05, the outer layer body 2b is likely to be formed unevenly. The central body 2a and the outer layer body 2b may have a higher specific gravity, but when the outer layer body 2b has a higher specific gravity, the outer layer body 2a tends to accumulate on the tip side of the two-layer lipstick 2. It is in.

平均 The average thickness of the outer layer body 2b is preferably 0.1 mm to 3.0 mm, more preferably 0.5 mm to 1.5 mm. The definition of the average thickness is as described above. In the case of the conventional mold molding using the above-described core, the thickness of the outer layer body is limited to about 1.5 mm due to the extraction of the core, and it is difficult to reduce the thickness further. According to the manufacturing method of the present invention, the step of extracting the core is unnecessary, and as a result, the outer layer 2b having an average thickness of 1.5 mm or less can be manufactured.

In the method for producing a two-layer lipstick, the first composition for the center body 2a is injected and filled at the stage B while the assembly 5 is rotated while being injected and filled. When the composition is in a state where it can maintain its shape after being positioned in a layered form along the inner surface of the ogive 4 by centrifugal force, the rotation can be stopped and the first composition can be injected and filled.

When the outer layer portion 2B is formed by filling the second composition and the center portion 2A is formed by filling the first composition, the rotation speed of the assembly 5 is preferably 500 to 1500 rpm, and 700 rpm. ９００900 rpm is more preferable. If the rotation speed is 500 rpm or less, the second composition tends to accumulate on the tip side of the ogive 4 and the outer layer body 2a tends to accumulate on the tip side of the molded two-layer lipstick 2. On the other hand, when the rotation speed is 1500 rpm or more, the first composition moves to the inner surface side of the ogive 4 and overflows from the inner plate body 12, and the central body 2a is exposed on the surface of the formed two-layer lipstick 2. Tend to do it.

In the manufacturing method of the present invention, the two-layer lipstick 2 is manufactured using the combination 5 of the feeding container 3 and the ogive 4 in the above-described embodiment, but the feeding container 3 is not limited to the one having the illustrated structure. A container having any structure may be used. Of course, it is not necessary to be a feeding type container. Further, it is not necessary to use a combination of a mold and a container, and only the mold is used, the mold is filled with the first composition, and then the first composition is rotated while rotating the mold. The mold may be positioned in a layer along the inner surface of the bottomed concave portion, and then filled with the second composition. Further, the mold is not limited to the ogive, and various molds can be used.

The solid cosmetic of the present invention is not limited to the above-described two-layer lipstick, and may be a lipstick composed of three or more layers of different compositions. In the case of three or more layers, the outermost layer becomes the outer layer body, and the part located inside the outermost layer (the part consisting of all the layers located inside the outermost layer) becomes the central body. In this case, the composition constituting the outermost layer is injected and filled into a molding die, and different compositions are sequentially injected and filled while rotating the molding die to form each composition into a layered form, and finally the composition is positioned at the innermost position. It can be produced by injecting and filling the composition of the layer to be cooled and solidifying by cooling. Alternatively, the lipstick may be composed of a plurality of compositions having the same color but different components. Further, the present invention is not limited to lipstick, and may be a stick-shaped cosmetic such as gloss or lip balm, or various cosmetics other than a stick. Further, in the case of a lipstick, the shape is not limited to the shape shown in the embodiment, but may be a shape having an inclined surface at a tip portion, for example.

In addition, the first composition and the second composition are not limited to the compositions of the examples described below, and various compositions can be used. The first composition and the second composition Is not limited to the filling conditions of the embodiments described below, and molding can be performed under various filling conditions.

Next, examples of the method for producing the two-layer lipstick will be described with reference to Tables 1, 2, and 3. The numerical value of each component (total blending amount: 100% by mass) in each composition in Tables 1, 2 and 3 represents% by mass with respect to the whole. In Tables 1 and 2, “inner layer” represents the first composition, “outer layer” represents the second composition, and “ratio (inner layer: outer layer)” represents the first composition and the second composition. The “volume ratio of the entire central body 2a and the entirety of the outer layer body 2b” after solidification of the material is expressed by the “inner layer filling temperature” and the “outer layer filling temperature” of the first composition and the second layer. The "rotation speed" refers to the temperature of the first composition and the second composition when each of the compositions is filled in the ogive 4, and the "rotation speed" defines the outer layer 2B made of the second composition and the cavity of the outer layer 2B. The rotation speed of the combination 5 at the time of forming the center portion 2A by filling the first composition into the “inner / outer layer distribution state” indicates that the first composition and the second composition are cooled and solidified. The distribution state of the central body 2a and the outer layer body 2b, and "film thickness" means an average of the above-mentioned thickness of the outer layer body 2b. In addition, "specific gravity" and "specific gravity difference" in Tables 1 and 2 are specific gravity and specific gravity difference in a state where the first composition and the second composition are solidified (the center body 2a and the outer layer body 2b). .

In each of the examples shown in Tables 1, 2 and 3, the second composition, which is the material of the outer layer body, is heated and melted, and injected and filled into the combination 5 at the above-mentioned stage A, and The second composition is positioned in a layer along the inner surface of the ogive 4 while rotating at B, and then the first composition melted by heating is injected and filled into the cavity inside the second composition positioned in the layer. Then, forced cooling is started and rotation is stopped, and both compositions are solidified to form a two-layer lipstick with a container having a center body 2a made of the first composition and an outer layer body 2b made of the second composition. 1 was produced.

Table 1 is composed of Table 1-1 and Table 1-2, and the composition 1 and the composition 2 described in Table 1-2 are respectively applied to the second composition for the outer layer body 2b and the composition for the center body 2a. The thickness of the outer layer body 2b and the distribution of the central body 2a and the outer layer body 2b when used as the first composition and molded under the 17 filling conditions described in Table 1-1 are shown. ing. "-" In the column of film thickness in Table 1-1 indicates that the film thickness was not measured. Table 1-2 also shows the hardness and specific gravity difference between the outer layer body 2b and the center body 2a.

As shown in Table 1-1, when the rotation speed was 300 rpm, the outer layer body composed of the second composition was accumulated on the tip side, and when the rotation speed was 2000 rpm, the center body composed of the first composition was on the surface. And the ratio of the first composition to the second composition (the volume ratio between the center body and the outer layer body) is 5: 1 to 1: 5 even at a rotational speed of 800 rpm. When the ratio is 9: 1 or 1: 9 out of the range, there is a problem that the central body is not exposed or does not have a two-layer state. In the case of other filling conditions, the distribution of the central body 2a and the outer layer body 2b in the solidified two-layer lipstick 2 is good, as indicated by a circle in the column of inner / outer layer distribution state. A lipstick 2 having a two-layer structure having a small outer layer 2b was formed.

Table 2 consists of Tables 2-1 and 2-2. In Table 2-1,

compositions

1 and 2; compositions 3 and 4;

compositions

5 and 6; Composition 8 and five sets of compositions 9 and 10 (

compositions

1, 3, 5, 7, and 9 being the second composition for the outer layer,

compositions

2, 4, 6, 8, 10 shows the distribution state of the inner and outer layers when each of the sets is formed under the same filling conditions described in Table 2-2.

Table 2-1 shows the hardness after solidification of each composition, the specific gravity after solidification, and the difference in specific gravity after solidification of each set of compositions. In the case of the set of the

compositions

1 and 2, the set of the compositions 3 and 4, the set of the

compositions

5 and 6, and the set of the compositions 9 and 10, the inner and outer layer distribution state is ○, that is, the solidified two-layer lipstick 2 The distribution of the central body 2a and the outer layer body 2b is good, and the 2
A lipstick 2 having a layer structure was formed. In the case of the set of the compositions 7 and 8, the distribution state of the inner and outer layers is △, that is, the distribution between the central body 2a and the outer layer body 2b in the solidified two-layer lipstick 2 has a slightly large specific gravity difference of 0.08. Therefore, the uniformity of the outer layer body 2b was low, and the separation between the central body 2a and the outer layer body 2b was somewhat unclear.

As can be seen from Table 2-1, the set of

compositions

1 and 2, the set of compositions 3 and 4, the set of

compositions

5 and 6, and the set of compositions 9 and 10 all have a specific gravity difference of 0.05. In the first three sets, the outer layer body 2b has a higher specific gravity than the center body 2a, and the last set has the center body 2a having a higher specific gravity than the outer layer body 2b. Regardless of the magnitude relationship of the specific gravity of the body 2b, when the specific gravity difference between them is 0.05 or less, the inner and outer layer distribution state is good. The inner / outer layer distribution state is affected by the specific gravity difference between the center body 2a and the outer layer body 2b, and is not particularly affected by the magnitude of the specific gravity itself of the center body 2a and the outer layer body 2b. The inventor has confirmed that the specific gravity difference is 0.05 or less and the inner and outer layer distribution is good, using the center body 2a and the outer layer body 2b having a specific gravity in the range of 0.9-1.1. I have.

Table 3 shows further examples of combinations of the first composition for the central body and the second composition for the outer layer body. By using each combination of the compositions shown in Table 3 and molding under the filling conditions shown in Table 2-2, a two-layer lipstick having a good inner and outer layer distribution can be formed. Was.

According to the above-mentioned embodiment of the solid cosmetic according to the present invention, two different compositions, for example, a two-layer lipstick composed of two compositions having different color tones or two different compositions having different feelings of use are used as outer layers. In a state where the body was thin and the distribution of the center body and the outer layer body was good, it could be easily formed with a small number of steps.

1 2-layer lipstick with container 2 2-layer lipstick (solid cosmetics)
2a Central body 2b Outer layer body 3 Container 4 Ojibe (mold)

Claims

(4) A solid cosmetic comprising: a center body made of the first composition; and an outer layer body made of the second composition covering the entire surface of the center body.
固形 The solid cosmetic according to claim 1, wherein the volume ratio between the central body and the outer layer body is 5: 1 to 1: 5.
固形 The solid cosmetic according to claim 1 or 2, wherein the hardness of the outer layer body is 5 to 100.
固形 The solid cosmetic according to any one of claims 1 to 3, wherein a difference in specific gravity between the central body and the outer layer body is 0.05 or less.
The solid cosmetic according to any one of claims 1 to 4, wherein the outer layer body has an average thickness of 0.1 mm to 3.0 mm.
固形 The solid cosmetic according to any one of claims 1 to 5, wherein the shape is a stick.
A second mold is filled into a mold having a bottomed concave portion having an upper end opening having a central axis extending in the vertical direction, and the mold is rotated around the central axis to allow the second composition to have the bottomed shape. Forming an outer layer portion having a cavity inside by forming a layer along the inner surface of the concave portion, and then filling the cavity with a first composition to form a center portion, and solidifying the outer layer portion and the center portion A method for producing a solid cosmetic comprising:
(8) The method for producing a solid cosmetic according to (7), wherein the rotation speed of the mold is 500 to 1500 rpm.