WO2024084686A1

WO2024084686A1 - Artificial skin and cosmetic method and system using artificial skin

Info

Publication number: WO2024084686A1
Application number: PCT/JP2022/039306
Authority: WO
Inventors: 道生鯉渕
Original assignee: 道生鯉渕
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2024-04-25

Abstract

Artificial skin containing photochromic material that changes color when irradiated with ultraviolet light.

Description

Artificial skin, and makeup method and system using artificial skin

The present invention relates to artificial skin and a makeup method and system using artificial skin.

Various cosmetic methods have been proposed as prior art (for example, Patent Document 1).

JP 2022-87759 A

All of the makeup methods proposed to date involve applying or depositing coloring agents or powders onto the skin. The quality of the makeup depends on the individual's skill, and applying the makeup requires a lot of time and money.

In one aspect, the present invention provides artificial skin that contains a photochromic substance that changes color when exposed to ultraviolet light.

In one embodiment, the present invention provides artificial skin that further contains a UVA blocking agent.

In one aspect, the present invention provides a system that includes a storage device that stores a design to be used as makeup, an attachment device that attaches artificial skin containing a photochromic substance that changes color when irradiated with ultraviolet light to the surface of the skin, and an irradiation device that reads the design from the storage device and irradiates the artificial skin with UVA that corresponds to the design.

The present invention provides an easy makeup method, or an artificial skin or system that allows for the easy makeup method to be implemented.

FIG. 2 is a diagram showing cross sections of (a) a coating device and (b) an irradiation device which constitute the system according to the first embodiment. FIG. 1A is a diagram showing a situation in which artificial skin is applied, and FIG. 1B is a diagram showing a situation in which light is irradiated onto the artificial skin. FIG. 11 is a diagram showing a configuration of a system according to a second embodiment. 13A is a diagram showing an overview of data held in a system according to a second embodiment, and FIG. 13B is a diagram showing an example of a specific configuration. FIG. 13 is a diagram showing a configuration of an irradiation device according to a second embodiment. 13A and 13B are diagrams illustrating a state in which light is irradiated by an irradiation device in a second embodiment. 13 is a flowchart showing a makeup process performed by the system according to the second embodiment. 13 is a process flow of makeup selection by the system of the second embodiment. 13 is an example of an image displayed when makeup is selected by the system of the second embodiment.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

<Embodiment>
An artificial skin 9 according to an embodiment of the present invention and a system 1 for applying makeup using the artificial skin 9 will be described below.

As shown in FIG. 1, the system 1 includes an application device 3 that applies artificial skin 9 to tissue such as the skin, and an irradiation device 4 that mainly irradiates with ultraviolet light.

The artificial skin 9 is primarily a mixture of a base material, a coloring agent, and an ultraviolet ray blocking agent. The base material is made of a material that can adhere to the tissue of an organism, etc., and form a thin film to cover the surface of the tissue. Various materials can be used as the base material for the artificial skin 9, such as collagen, oils and fats, silicone, and other synthetic resins. The ultraviolet ray blocking agent may be a substance that absorbs ultraviolet rays, or a substance that reflects ultraviolet rays. Specific examples of ultraviolet ray blocking agents include octyl methoxycinnamate, octyl dimethyl PABA, ethylhexyl dimethyl PABA, t-butyl methoxydibenzoylmethane, zinc oxide, and titanium oxide.

The coloring agent contained in the artificial skin 9 is a photochromic substance that changes color when exposed to ultraviolet light. In this embodiment, a single crystal diarylethene or a diarylethene derivative containing organic molecules of three structures is used. Even though diarylethene is a single crystal, it can exhibit multicolor photochromism, which reversibly changes to various colors. In particular, the photochromic reaction of diarylethene has the characteristic that it changes color in response to the influence of wavelengths in a narrow band in the ultraviolet region, and the changed color fades when exposed to light with wavelengths in the visible region.

The diarylethene used in this embodiment has the property of expressing the colors cyan, magenta, and yellow when irradiated with ultraviolet light of different wavelengths. Therefore, by irradiating light of a wavelength corresponding to each color and further adjusting the amount of energy of the irradiated light, the degree of color development of the diarylethene can be adjusted to produce the desired color.

The diarylethene in this embodiment exhibits the colors cyan, magenta, and yellow when exposed to ultraviolet light, such as UVB (light with a wavelength of 280 nm or more and 315 nm or less) or UVC (light with a wavelength of less than 280 nm).

Diarylethene also has the property that when it is irradiated with light in the visible light range with a wavelength of 450 nm or more, the color it expresses fades and reverts to its original color. The color that fades also differs depending on the wavelength of the irradiated light. For example, when it is irradiated with visible light of a wavelength corresponding to the fading of magenta, diarylethene fades the magenta, leaving behind the yellow and cyan colors. The same is true for the fading of yellow and cyan, and fading of each color can be achieved by irradiating it with light of the corresponding wavelength.

The rate at which the color fades depends on the wavelength and amount of energy of the visible light irradiated, but diarylethene fades gradually over a period of several days under the visible light contained in sunlight.

The UV-blocking agent contained in the artificial skin 9 can block or absorb UVA (light with a wavelength of 315 nm or more and 400 nm or less). It is known that UVA constitutes the majority of the ultraviolet light contained in natural light.

As shown in FIG. 1(a), the application device 3 comprises an ejection unit 31 having a nozzle for ejecting the artificial skin 9, a tube 32, and a storage unit 33 for storing the artificial skin 9. The storage unit 33 also stores high-pressure gas, so that the artificial skin 9 is in a pressurized state. The ejection unit 31 receives a supply of artificial skin 9 from the storage unit 33, and can eject the artificial skin 9 from the ejection unit 31, as indicated by the dashed arrow in the figure.

The irradiation device 4 is a device that has the function of irradiating ultraviolet light to the outside of the device. The irradiation device 4 has an irradiation section 41, a switching section 42, and a control section 43 (Figure 1 (b)).

The light emitted from the irradiation unit 41 corresponds to UVB to UVC. In other words, the irradiation unit 41 can emit light with a wavelength of 315 nm or less. In addition, the irradiation unit 41 can also emit visible light.

The irradiation unit 41 includes a light-emitting unit 411 equipped with a light-emitting body, and a lens 412. Various materials can be used as the light-emitting body, for example, an LED or a photodiode. There may be one light-emitting body or multiple light-emitting bodies. The light emitted by the irradiation unit 41 can be, for example, laser light.

The control unit 43 has the function of emitting light of a corresponding wavelength from the irradiation unit 41 in order to cause the diarylethene contained in the artificial skin 9 to develop a specific color. Specifically, the control unit 43 can control the wavelength of the light emitted from the irradiation unit 41 and adjust the amount of energy of the emitted light and the emission time.

As an example, the control unit 43 can cause the irradiation unit 41 to irradiate ultraviolet light onto the artificial skin 9, causing the artificial skin 9 to develop the colors cyan, magenta, and yellow in the same way, turning it black. The control unit 43 can then irradiate the artificial skin 9 with light of a specific wavelength belonging to the visible range from the irradiation unit 41 while adjusting the output and time. In this way, the control unit 43 can control the fading of the colors cyan, magenta, and yellow, changing the color of the artificial skin 9 to the desired color.

The switching unit 42 is a device that adjusts the wavelength and amount of energy of the light emitted from the irradiation unit 41, and is connected to the control unit 43 so that it can communicate with it. In other words, the switching unit 42 can be said to be a device that adjusts the color to be developed on the artificial skin 9, and instructs the control unit 43 to carry out the corresponding physical control. In particular, the user recognizes it as a color development adjustment unit. The amount of light energy can be adjusted as various physical quantities, such as light intensity, luminous intensity, or illuminance.

A brush 4A can be attached to the irradiation unit 41 (Fig. 1(b)). The brush 4A is composed of multiple bundles of light-transmitting resin formed into fibers, and can transmit and transmit light in the direction in which the fibrous resin extends. The light emitted from the irradiation unit 41 is transmitted inside each fibrous resin of the brush 4A and is emitted from the tip. A specific example of the configuration of the brush 4A is optical fiber, etc.

(Example of makeup using System 1)
A makeup application method using the system 1 will be described in detail below.

As shown in FIG. 2(a), a user of the system 1 applies artificial skin 9 to tissue such as facial skin using the applicator 3 (corresponding to step S1 described below). The applied artificial skin 9 forms a thin film on the tissue.

Then, as shown in FIG. 2(b), the user uses the irradiation device 4 to make the artificial skin 9 develop the desired color (corresponding to step S5 described below). When applying makeup, the brush 4A can be attached to the irradiation unit 41 as shown in FIG. 2(b). By irradiating light from the tip of the brush 4A, fine coloring can be achieved. Note that the irradiation device 4 may be used without attaching the brush 4A to the irradiation unit 41.

To be more specific, the user operates the switching unit 42 to set the wavelength and amount of energy of the emitted light to correspond to the desired color.

The control unit 43 irradiates the artificial skin 9 with ultraviolet light from the irradiation unit 41 according to the settings of the switching unit 42, changing the color of the artificial skin 9 to the color desired by the user. Specifically, the control unit 43 first causes the irradiation unit 41 to irradiate the artificial skin 9 with UVB or UVC, causing the artificial skin 9 to develop the colors cyan, magenta, and yellow in the same way, turning it black. Next, the irradiation unit 41 irradiates the artificial skin 9 with visible light, fading the colors cyan, magenta, and yellow, and changing the color of the artificial skin 9 to the desired color.

The color control procedure may be reversed. In other words, it is possible to first irradiate the artificial skin 9 with visible light to fade each color uniformly, and then irradiate it with UVB and UVC light to change it to the color desired by the user.

In this way, the user can apply makeup to the skin tissue of their face, etc. For example, by adjusting the color of the artificial skin 9 to match the color of their own skin, makeup equivalent to foundation can be applied. Similarly, it is possible to apply various styles of makeup, such as blush, eyeshadow, eyebrows, etc.

Since the artificial skin 9 contains a cut-off agent, even if the user goes outside and the artificial skin 9 is exposed to sunlight, the diarylethene is protected from UVA and does not rapidly discolor. Even when exposed to visible light, it takes several days for the diarylethene to fade, so the color of the artificial skin 9 can withstand the user's daily use, and therefore the makeup is maintained for a long period of time.

In addition, the user can change the color formed on the artificial skin 9, i.e., change the makeup, by irradiating it with visible light and UVB or UVC again.

Second Embodiment
In the system 1, makeup is applied by the user's own hands, but it is also possible to configure the system to automatically apply makeup using artificial skin 9. A system 2 according to the second embodiment will be described below.

Note that the same reference numbers are used for configurations similar to those in the first embodiment, and detailed descriptions will be omitted below.

Figure 3 shows the configuration of system 2 according to the second embodiment of the present invention. In addition to the coating device 3 similar to that of the first embodiment, system 2 includes an irradiation device 204 and a distribution server 210. The distribution server 210 and the irradiation device 204 are connected so as to be able to send and receive data to each other via a communication network 5. The communication network 5 is a wireless or wired communication means, such as the Internet, a WAN (Wide Area Network), a LAN (Local Area Network), a public communication network, a dedicated line, etc.

Note that although the system 2 according to this embodiment is configured from the multiple information management devices described above, the present invention does not limit the number of these devices. Therefore, the information processing system 2 can be configured from one or more devices as long as they have the following functions. It is also possible to realize the configuration by distributing functions among multiple devices. Various modes of distribution of functions are possible, not limited to those described in this embodiment.

The distribution server 210 is an information processing device that manages data. As shown in FIG. 4, the distribution server 210 stores design data D1. The design data D1 is data that holds at least one of the shape, pattern, and color of the makeup as the design of the makeup.

As a specific example, the design data D1 stores the shapes of the user's body, such as the face, arms, and back, as well as the shape, color, and pattern of makeup. For example, when the design data D1 stores a facial design, the design data D1 stores the shape of the face as three-dimensional coordinates as shown in FIG. 4(a), and can divide the face into polygonal elements E of a predetermined size and store color settings for each element E as shown in FIG. 4(b).

The data relating to the shape of the user's body, such as the face, arms, and back, can be generated, for example, by scanning the user's body in three dimensions. Furthermore, the server 210 creates design data D1 by mapping pre-created colors and patterns onto the user's body shape data. Note that, although one color is set for each element E in the example of FIG. 4(b), multiple colors may be set for one element E.

In the example of FIG. 4(b), the color representation of cyan (C), magenta (M), and yellow (Y) is stored as numerical data, but other data formats such as the RGB color system may also be used. Furthermore, the format of the design data D1 is not limited to the polygon data described above, and any format such as surface data or solid data may be used.

If the design data D1 is a design corresponding to facial makeup, the design data D1 stores the user's facial shape as well as the colors, patterns, and shapes that correspond to so-called blush, foundation, eyebrows, and lipstick.

As shown in FIG. 5, the irradiation device 204 has an irradiation unit 41, a switching unit 42, a control unit 43, and a scanning unit 244. The configurations of the irradiation unit 41, the switching unit 42, and the control unit 43 are the same as those in the first embodiment.

The irradiation device 204 further includes a main memory device 245, an auxiliary memory device 246, a communication device 247, and a display device 248. These devices constituting the irradiation device 204 are connected to each other so as to be able to communicate with each other via a communication means such as a bus (not shown).

In addition, the entire configuration of the irradiation device 204 does not necessarily need to be realized by hardware, and all or part of the configuration may be realized by virtual resources such as a cloud server of a cloud system.

The scanning unit 244 includes a track 2441, a support member 2442, and a drive unit 2443 having a motor (Figure 6).

The track 2441 is a member that extends in a U-shaped curve. The track 2441 is formed, for example, of a slide rail, and movably supports the support member 2442.

The support member 2442 is a rod-shaped member that extends perpendicular to the track 2441, supports the irradiation unit 41 toward the user, and allows it to move along the direction in which it extends. The support member 2442 is, for example, a slide rail.

The driving unit 2443 drives the irradiation unit 41, and can move it around the user along the track 2441 and the support member 2442 as shown by the white arrow in Figure 6.

The scanning unit 244 is not limited to the above configuration, and may also use a galvanometer mirror, a MEMS mirror, or the like to achieve optical scanning.

The main memory device 245 is a device that stores programs and data, and may be ROM (Read Only Memory), RAM (Random Access Memory), non-volatile semiconductor memory (NVRAM (Non Volatile RAM)), etc.

The auxiliary storage device 246 may be, for example, various non-volatile memories (NVRAM: Non-volatile memory) such as SSDs (Solid State Drives) and SD memory cards, hard disk drives, optical storage devices (CDs (Compact Discs), DVDs (Digital Versatile Discs), etc.), storage areas of cloud servers, etc. Programs and data stored in the auxiliary storage device 246 are loaded into the main storage device 245 as needed.

The communication device 247 is a wired or wireless communication interface that realizes communication with other devices via the communication network 5, and is, for example, a NIC (Network Interface Card), a wireless communication module, a USB (Universal Serial Interface) module, a serial communication module, etc.

The display device 248 is an interface that displays various types of information, and examples of the display device 248 include a screen display device (such as a liquid crystal monitor or LCD (Liquid Crystal Display). Other examples include devices that display images, such as graphics cards, printers, etc.), audio output devices (such as speakers), and voice synthesizers.

(Example of makeup application using the system of the second embodiment)
A makeup application method using the system 2 will be described in detail below with reference to the process flow of Fig. 7. The process mainly comprises steps S1 to S5.

First, the user uses the applicator 3 to apply artificial skin 9 to tissues such as facial skin (Figure 2(a), S1).

Then, the control unit 43 operates the irradiation device 204 to acquire design data D1 from the server 10 via the network 5 (S3). If multiple types of design data D1 are prepared, the design data D1 indicating the design desired by the user is acquired. The acquired data D1 is stored in the main memory device 245 or the auxiliary memory device 246. Note that the control unit 43 may acquire the design data D1 by acquiring the color and pattern desired by the user from the server 10 and then mapping the acquired color and pattern to the user's body shape.

Then, the user uses the irradiation device 204 to make the artificial skin 9 develop the desired color. In detail, the user operates the switching unit 42 to perform the light irradiation process.

The control unit 43, following the instructions of the switching unit 42, irradiates the artificial skin 9 with ultraviolet light and visible light from the irradiation unit 41 to change the color of the artificial skin 9 to the color desired by the user (S5).

In step S5, first, the control unit 43 irradiates the artificial skin 9 with UVB or UVC from the irradiation unit 41, causing the artificial skin 9 to develop the colors cyan, magenta, and yellow in the same way, turning it black. Next, the control unit 43 irradiates the artificial skin 9 with visible light from the irradiation unit 41, causing the cyan, magenta, and yellow to fade, and causing the design indicated by the design data D1 to appear on the artificial skin 9.

When irradiating, light is emitted from the irradiation unit 41 and irradiated onto the surface of the user's face. The irradiation unit 41 is scanned around the user's face, as indicated by the white arrow in Figure 6. As the light emitted from the irradiation unit 41 is also scanned, light with a set wavelength and amount of energy is irradiated for a predetermined period of time onto each part of the face that corresponds to each element E of the design data D1. In this way, a predetermined color or hue is formed on each part of the face, and a design corresponding to the design data D1 is formed on the user's face.

As with the first embodiment, the color control procedure may be reversed. In other words, it is possible to first irradiate the artificial skin 9 with visible light to fade each color uniformly, and then irradiate it with UVB and UVC to change it to the color desired by the user.

In this way, the user can apply the desired makeup to the tissues that make up their face, back, arms, etc. Also, by repeating steps S3-S5, it is possible to change the design of the artificial skin 9 multiple times, i.e., to change the makeup.

(Example of makeup selection using the system of the second embodiment)
When applying makeup using the system 2, makeup may be selected as follows. This will be described with reference to the flow in FIG. 8 and FIG.

First, in step S101, the control unit 43 displays a list of themes on the display device 248. As an example, the control unit 43 causes the display device 248 to display the screen IM shown in FIG. 8.

The screen IM displays tabs 51, themes 53, and makeup suggestions P. The control unit 43 obtains themes from the distribution server 210, the main memory device 245, or the main memory device 246, and displays them on the screen IM.

The themes are divided into multiple categories, such as mood, season/event, clothing, color, etc., and a detailed list of themes 52 is stored for each category.

Themes 52 can include a variety of things, such as various events such as birthdays and New Year's (season/event category), types of clothing (clothing category), calmness and elegance (mood category), and colors such as red, blue, and green (color category).

The user selects the desired theme 52 in each category by selecting a tab 51 (S102). Multiple themes 52 may be selected. In the example of FIG. 9, a list of themes 52 is displayed when the season/event category tab 51 is selected.

At this time, the control unit 43 acquires design data D1 that is pre-associated with the selected theme. If multiple types of design data D1 are prepared, the design data D1 indicating the design desired by the user is acquired. The acquired data D1 is stored in the main memory device 245 or the auxiliary memory device 246.

In step S103, the control unit 43 maps the design data D1 onto the user's facial image. If the acquired design data D1 is not data corresponding to facial makeup, mapping is performed onto parts of the body other than the face, such as the hands and feet. The control unit 43 may acquire the design data D1 by acquiring the color and pattern desired by the user from the server 10, and then mapping the acquired color and pattern onto the user's body shape.

The control unit 43 causes the display device 248 to display one or more makeup assumptions P, which are body images of the user to which the design data D1 has been mapped (S104). The user selects the desired image (i.e., makeup) from among them (S105).

The control unit 43 applies makeup to the user based on the design data D1 corresponding to the selected makeup concept P (S106). The specific makeup process is the same as that described in steps S1 and S5.

<Modification>
In the above embodiment, an example of applying makeup to skin tissue such as the face has been given, but the present invention is not limited to this, and similar treatments can be performed on tissues other than skin, such as nails and teeth. The above configuration and processing can also be applied to organisms other than humans. Furthermore, the subject is not limited to organisms. For example, the above configuration and processing can be applied to cultured skin tissue.

The artificial skin 9 may be configured not to contain an ultraviolet ray blocking agent. In this case, a process of applying an ultraviolet ray blocking agent to the artificial skin 9 may be added. Even when an ultraviolet ray blocking agent is applied separately in this way, the same cosmetic process as described above can be performed and the same effect can be obtained.

The scanning unit 244 is not a required component, and if a sufficient number of elements or pixels can be secured to maintain the quality of the makeup, the configuration may be such that the scanning unit 244 is not provided.

＜Effects＞
In each of the above embodiments and modifications, the following aspects are disclosed.

(Aspect 1) In each embodiment and modification, artificial skin 9 is disclosed that contains a photochromic substance that changes color when exposed to ultraviolet light.

By using the artificial skin 9, makeup can be easily applied by irradiating it with ultraviolet light.

(Aspect 2) In aspect 1, the artificial skin 9 further contains a UVA blocking agent.

Since the artificial skin 9 contains a cut-off agent, even if the user goes outside and the artificial skin 9 is exposed to sunlight, the photochromic substance contained in the artificial skin 9 is protected from UVA and does not rapidly discolor. Even when exposed to visible light, it takes several days for the diarylethene to fade, so the color of the artificial skin 9 can withstand the user's daily use, and therefore the makeup is maintained for a long time.

(Aspect 3) In

aspect

1 or 2, the photochromic substance is a diarylethene.

In the above configuration, even when exposed to visible light, it takes several days for diarylethene to fade, so the color of the artificial skin 9 can withstand daily use by the user, and therefore the makeup can be maintained for a long time.

(Aspect 4) The cosmetic method according to each embodiment and modification includes a step S3 of attaching artificial skin 9 according to any one of aspects 1 to 3 to the surface of tissue, an irradiation step of irradiating the artificial skin 9 with at least one of UVB and UVC, and a step of layering a UVA blocking agent on the artificial skin 9 attached to the surface.

By carrying out the makeup method configured as above, it is possible to easily apply makeup. Since the artificial skin 9 contains a cut-off agent, even if the user goes outside and the artificial skin 9 is exposed to sunlight, the photochromic substance such as diarylethene is protected from UVA and does not rapidly discolor. Therefore, the makeup can be maintained for a long period of time.

(Aspect 5) The cosmetic method includes step S3 of attaching the artificial skin 9 of

aspect

2 or 3 to the surface of tissue, and irradiation step S5 of irradiating the artificial skin 9 attached to the surface with at least one of visible light, UVB, and UVC.

By carrying out the above-mentioned makeup method, makeup can be easily applied as shown in each embodiment. Even if a UVA blocking agent is included, the artificial skin 9 can be colored by irradiating it with UVB and UVC. In addition, the fading of the artificial skin 9 can be controlled by irradiating it with visible light, allowing it to have the desired color.

(Aspect 6) In aspect 4 or 5, the method further includes step S3 of loading predetermined design data D1 into the irradiation device 204, and in step S5, the irradiation device 204 irradiates the artificial skin 9 with visible light, UVB or UVC light corresponding to the design of the design data D1, thereby forming a design on the artificial skin 9.

By implementing the above makeup method, makeup can be applied easily. Since makeup is applied based on a pre-created design, it is possible to apply high-quality makeup without relying on the user's skill.

(Mode 7) Mode 6 further includes a step (S101) of selecting a theme 52, a step (102) of setting a makeup assumption P (corresponding to a design candidate) from design data D1 based on theme 52, and a step (S105) of setting the one selected by the user from among the makeup assumptions P as the design data for actually carrying out makeup.

By implementing the makeup selection described above, it is possible to quickly select data corresponding to the makeup desired by the user from among multiple design data D1.

(Aspect 8) In aspect 7, the themes 52 are classified into categories including colors, clothing, events (corresponding to seasons/events), and moods. The method of aspect 7 further includes a step (S101) of having the user select a category, and a step (S101, S102) of displaying the themes 52 associated with the selected category.

By implementing the above-described makeup selection, it becomes possible to quickly select appropriate makeup data D1 even in response to the user's complex needs.

(Aspect 9) The system 2 includes a server 10 (corresponding to a storage device) that stores designs to be used as cosmetics, an application device 3 (corresponding to an application device) that applies artificial skin 9 containing a photochromic substance that changes color when exposed to ultraviolet light to the surface of tissue, and an irradiation device 204 that reads the designs from the server 10 and irradiates the artificial skin 9 with visible light, UVB, or UVC that corresponds to the designs.

In the above configuration, by using system 2, it becomes possible to easily apply makeup. Since the makeup is applied based on a design created in advance, it is possible to apply high-quality makeup without relying on the skill of the user.

(Aspect 10) In aspect 9, the artificial skin 9 further contains a UVA blocking agent.

Since the artificial skin 9 contains a cut-off agent, even if the user goes outside and the artificial skin 9 is exposed to sunlight, the photochromic material contained in the artificial skin 9 is protected from UVA and does not rapidly discolor. This allows the makeup to last for a long time.

System

1, 2
Coating device 3

Irradiation device

4, 204
Artificial Skin 9

Claims

Artificial skin containing photochromic substances that change color when exposed to ultraviolet light.
The artificial skin according to claim 1, further comprising a UVA blocking agent.
The artificial skin of claim 1, wherein the photochromic substance is diarylethene.
A step of attaching the artificial skin according to claim 1 to a surface of tissue;
An irradiation step of irradiating the artificial skin with at least one of visible light, UVB, and UVC;
A step of laminating a UVA blocking agent on the artificial skin attached to the surface;
A makeup method comprising:
A step of attaching the artificial skin according to claim 2 to a surface of tissue;
an irradiation step of irradiating the artificial skin attached to the surface with at least one of visible light, UVB, and UVC;
A makeup method comprising:
The method further includes the step of loading a predetermined design into the illumination device;
In the irradiation step,
The artificial skin is irradiated with visible light, UVB or UVC light corresponding to the design from the irradiation device, thereby forming the design on the artificial skin.
The cosmetic method according to claim 4 or 5.
The process of selecting a theme;
A step of setting design candidates based on the theme;
and selecting one of the design candidates selected by the user as the design.
The cosmetic method according to claim 6.
The theme is:
Categorised into categories including colours, outfits, events and moods.
having a user select the category;
and displaying the theme associated with the selected category.
The cosmetic method according to claim 7.
A storage device that stores designs to be used as cosmetics;
An attachment device for attaching artificial skin containing a photochromic substance that changes color when irradiated with ultraviolet light to a surface of tissue;
an irradiation device that reads the design from the storage device and irradiates the artificial skin with UVB or UVC corresponding to the design;
A system comprising:
The system according to claim 9, wherein the artificial skin further contains a UVA blocking agent.