Kao Corporation

Takehiko Tojo

Koji Saito

Takashi Fukui

Hideo Kobayashi

Naomi Amari

Masataka Ishikawa

Yoshiyuki Kibe

Shingo Odajima

Ikuo Fukuda

Shinji Kodama

Yoshiaki Kumamoto

Kenichi Otani

Koichi Sagara

Kenta Mukai

Masayuki Uchiyama

Tomonari Okada

Yoshimi Yamashita

Yuko Wakahara

Motoaki Ito

Toshio Watanabe

Tokuo Tsuura

Susumu Fujinami

Yukiya Sato

Minoru Goto

Kunio Matsui

Shinji Otakura

Haruomi Enomoto

Sebastian Kraus

Tokihito Sono

Shigeaki Wakana

Tomohiro Onda

Hisashi Misumi

Koji Toyoda

Masanori Takita

Takuji Kume

Yuko Yago

Ritsuko Yamazaki

Rui Takahashi

Jens Heilmann

Eiki Kimura

Naohiro Kariya

Ryota Shiiba

Manabu Sakashita

Miyuki Sudo

Hiroya Suzuki

Keitaro Yoneta

Suguru Ikeyama

Yuting Yang

Shunetsu Yonaiyama

Makoto Onoo

Shinnosuke Uno

Kenji Iwane

Akemi Goto

Hans-Peter Laux

Nicole Arnold

Mika Shuin

A skin-attaching sheet including an attaching portion configured for attaching to skin. The attaching portion includes a color-changeable layer that changes color following exposure to ultraviolet rays, and the attaching portion has a color difference (ΔE*ab) in an L*a*b* color system between before exposure and 10 seconds after exposure of 5 or more and 300 or less in a standard exposure test in which the attaching portion is exposed to ultraviolet rays in a moist state.

Patch sheet for skin, method for using same, ultraviolet sensing method, and method for evaluating ultraviolet protection performance

A hair holder () of the present invention has a tubular body () which has: a first opening () located at one end; and a second opening () located at the other end, and which is configured to allow a lock of hair (H) to be inserted from the first opening () toward the second opening () and to be capable of being rolled up. The tubular body () has a longitudinal direction and a width direction that is orthogonal to the longitudinal direction. The tubular body () has two sheets that form outer surfaces. At least one of the two sheets is formed of a color-changeable sheet that satisfies conditions (1) and (2) below: (1) an L* value in an L*a*b* color coordinate space is 90 or less; and (2) a color difference ΔE*value in the L*a*b* color coordinate space between before and after impregnation with a standard hair treatment agent is 1.0 or greater. The standard hair treatment agent contains ammonium thioglycolate in an amount of 6 mass %, ammonium hydrogencarbonate in an amount of 2 mass %, and disodium edetate in an amount of 0.5 mass %, the balance being water, and the standard hair treatment agent is adjusted to a pH of 8.4 at 20° C. using a 28 mass % aqueous solution of ammonia.

Hair holder and hair treatment method using same

A fiber collection tool for collecting a fiber spun by electrospinning is described. The fiber collection tool has a size holdable by the hand of a user, and includes, in its interior, an electroconductive section. Preferably, the fiber collection tool further includes a surface section outside the electroconductive section. In a fiber deposit production method, a user collects, with the fiber collection tool, a fiber spun by the user by performing electrospinning using an electrospinning device having a size holdable by the hand of the user, and thereby produces a film including a deposit of the fiber on a surface of the fiber collection tool. The fiber collection tool, having the deposit formed thereon, is pressed against a surface of an object, and the deposit is transferred onto the surface of the object, to form a film including the fiber deposit on the surface of the object.

Fiber deposit production method, membrane production method, and membrane adhesion method

A fiber collection tool for collecting a fiber spun by electrospinning is described. The fiber collection tool has a size holdable by the hand of a user, and includes, in at least a portion of the surface thereof, an electroconductive section having a surface electrical resistivity of 10&#x3a9;/cmor less, or a hydrophilic section having a water contact angle of preferably from 15&#xb0; to 90&#xb0; at 25&#xb0; C. A user collects, with the fiber collection tool, a fiber spun by the user by electrospinning using an electrospinning device having a size holdable by the hand of the user, and thereby produces a film including a deposit of the fiber on a surface of the fiber collection tool. The fiber collection tool, having the deposit formed thereon, is pressed against a surface of an object, and the deposit is transferred onto the surface of the object, to form a film including the fiber deposit on the surface of the object.

Method for manufacturing fiber deposition body, method for manufacturing film, and method for attaching film

A nanofiber sheet includes: a substrate layer; and a nanofiber layer located on one surface side of the substrate layer and containing nanofibers of a polymer compound. A peripheral edge of the nanofiber layer has a thickness of from 0.1 to 10 &#x3bc;m. The nanofiber layer includes a gradation region having a thickness that gradually increases inward from the peripheral edge. The distance Wbetween the peripheral edge of the nanofiber layer and a maximum thickness portion where the thickness becomes the greatest in the gradation region is at least 3 mm. A nanofiber sheet manufacturing method involves depositing nanofibers onto a collecting unit by moving at least either a nozzle or the collecting unit, to thereby manufacture a predetermined nanofiber sheet including a gradation region.

Nanofiber sheet, method for using same, and method for producing same

Provided is a liquid skin external composition which allows a poorly water-soluble component to be applied to a skin in a liquid state. An assembly of fiber for use in production of a liquid skin external composition, the assembly of fiber comprising (a) a polymer soluble in water and an alcohol or a ketone in a content of 50 mass % or more and 98 mass % or less with respect to the whole assembly of fiber and (b) a poorly water-soluble component in a content of 2 mass % or more and 40 mass % or less with respect to the whole assembly of fiber.

Skin external composition

Hair holder

The coating formation method of the present invention is a method for forming a coating on a surface of a coating formation target. The formation method of the present invention includes an electrostatic spraying step of electrostatically spraying a composition directly onto the coating formation target, thereby forming a coating composed of a deposit containing fibers. The composition contains a component (a), a component (b), and a component (c) below. (a) One or more volatile substances selected from water, alcohols, and ketones. (b) A polymer having coating formability. (c) A liquid agent containing one or more selected from oils and polyols that are in a liquid form at 20&#xb0; C.

Method for manufacturing coating film by electrostatic spraying

A hair holder () includes a tubular body () that is constituted by a sheet and through which a bundle of hair can be inserted from an opening () at a one end toward an opening () at the other end, and has a flat shape. The tubular body () includes a first surface sheet (A) and a second surface sheet (B) that are located on the inside and the outside, respectively, in a state in which the hair holder () is rolled up. Side regions of the first surface sheet (A) and side regions of the second surface sheet (B) are joined to each other, thereby forming a pair of side joined regions () in the tubular body (). The side joined regions () have a plurality of second-surface-sheet-side recesses () along a longitudinal direction (X) of the side joined regions (), the recesses being recessed from the second surface sheet (B) side toward the first surface sheet (A) side.

Hair holding tool and method for manufacturing same

The present invention relates to preventing color transfer and sticking of powder-containing cosmetics to clothes or the like. A coating formation method of the present invention includes an electrostatic spraying step of electrostatically spraying a composition directly onto a skin surface onto which powder-containing cosmetics have been applied, thereby forming a coating on the skin. The composition contains a component (a) and a component (b) below. It is preferable that the method further includes a liquid agent applying step of applying a liquid agent containing one or more selected from water and oils that are in liquid form at 20&#xb0; C. on the skin onto which the powder-containing cosmetics have been applied, wherein the liquid agent applying step is performed subsequent to the electrostatic spraying step. (a) One or more volatile substances selected from water, alcohols, and ketones; and (b) a polymer having a coating formation ability.

Method for producing coating film by electrostatic spraying

The present invention provides a coating formation method with which adhesion between skin and a coating formed by electrostatic spraying is enhanced. The coating formation method of the present invention includes a liquid agent applying step of applying a liquid agent containing one or more selected from water, polyols and oils that are in a liquid form at 20&#xb0; C., and an electrostatic spraying step of electrostatically spraying a composition directly on skin to form a coating. The liquid agent applying step and the electrostatic spraying step are performed in this order or in a reversed order. The composition includes a component (a) and a component (b) below:

Method for producing coating film on skin by electrostatic spraying

A hair holder () of the present invention includes a tubular body () and a fixing member (). The tubular body () has a first surface sheet (A) and a second surface sheet (B). The second surface sheet (B) has a plurality of slits () that extends in a width direction and that is intermittently arranged along a longitudinal direction. The fixing member () has a first member () and second members () that can be detachably joined together. The first member () is arranged on the first surface sheet (A) on the side of a first opening () located at a first end in the longitudinal direction. The second surface sheet (B) has a central region (M) in the width direction, where the plurality of slits is provided, and a pair of side regions (S) each of which is located on opposite sides of the central region (M). The second members () are arranged in the pair of side regions (S), respectively, so as to extend in the longitudinal direction.

Hair holder, method for producing said hair holder, and method for using said hair holder

A method for producing a film of the present invention includes the step of electrostatically spraying a liquid composition directly on the surface of skin using an electrostatic spray device to form a film on the skin. The electrostatic spray device includes a container capable of storing the liquid composition, a nozzle configured to eject the liquid composition, a power supply configured to apply a voltage to the nozzle, and a voltage stabilizer configured to stabilize the voltage applied by the power supply to the nozzle. The liquid composition contains component (a): one or more volatile substances selected from alcohols and ketones, and component (b): a polymer having film formability.

Method for producing coating film

A method for producing ultrafine fibers of the present invention includes forming an electric field between an discharging nozzle from which a raw resin is discharged and a charging electrode which is disposed apart from the discharging nozzle, and supplying the raw resin which has been heated and melted into the electric field from the discharging nozzle to spin the raw resin. The raw resin is a resin mixture which contains a resin having a melting point and an additive, and satisfies a relation (I) below:&#x2265;1.0&#xd7;10&#x2003;&#x2003;(I)wherein A represents the absolute value (&#x3a9;) of electrical impedance of the raw resin at 50&#xb0; C., and B represents the absolute value (&#x3a9;) of electrical impedance of the raw resin at a temperature 50&#xb0; C. higher than a melting point of the raw resin.

Ultrafine fiber production method

A method for producing a film of the present invention includes an electrostatic spraying step of electrostatically spraying a liquid composition directly on the surface of skin to form a film on the skin by using an electrostatic spray device. The electrostatic spray device includes a container capable of storing the liquid composition, a nozzle configured to eject the liquid composition, and a power supply configured to apply a voltage to the nozzle. The liquid composition contains component (a): one or two or more volatile substances selected from alcohols and ketones, component (b): a water-insoluble polymer having film formability, and component (c): 0.2% by mass or more and 25% by mass or less of water.

Method for producing film

Growing community of inventors

Utsunomiya, Japan

Takehiko Tojo