WO2018042698A1 - Dispositif d'amélioration d'environnement de cuir chevelu et procédé d'amélioration d'environnement de cuir chevelu - Google Patents

Dispositif d'amélioration d'environnement de cuir chevelu et procédé d'amélioration d'environnement de cuir chevelu Download PDF

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Publication number
WO2018042698A1
WO2018042698A1 PCT/JP2017/003787 JP2017003787W WO2018042698A1 WO 2018042698 A1 WO2018042698 A1 WO 2018042698A1 JP 2017003787 W JP2017003787 W JP 2017003787W WO 2018042698 A1 WO2018042698 A1 WO 2018042698A1
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Prior art keywords
scalp
evaluation
housing
charged particles
week
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PCT/JP2017/003787
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English (en)
Japanese (ja)
Inventor
宏和 船守
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シャープ株式会社
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Application filed by シャープ株式会社 filed Critical シャープ株式会社
Priority to CN201780011400.4A priority Critical patent/CN109715003A/zh
Priority to JP2018536690A priority patent/JP7051688B2/ja
Publication of WO2018042698A1 publication Critical patent/WO2018042698A1/fr
Priority to JP2022008344A priority patent/JP7429247B2/ja
Priority to JP2023204340A priority patent/JP7579420B2/ja

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    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D20/00—Hair drying devices; Accessories therefor
    • A45D20/04—Hot-air producers
    • A45D20/08—Hot-air producers heated electrically
    • A45D20/10—Hand-held drying devices, e.g. air douches
    • A45D20/12—Details thereof or accessories therefor, e.g. nozzles, stands

Definitions

  • the present invention relates to a scalp environment improving device and a scalp environment improving method.
  • This application claims priority based on Japanese Patent Application No. 2016-171585, which is a Japanese patent application filed on September 2, 2016. All the descriptions described in the Japanese patent application are incorporated herein by reference.
  • Patent Document 1 Japanese Patent Application Laid-Open No. 2010-131259 discloses a scalp care device that blows air on the scalp while scraping the hair on the scalp by irregular air blowing. According to Patent Document 1, it is said that a high massage effect on the scalp can be obtained by such blowing.
  • the conventional technology does not provide a device that can sufficiently improve the scalp environment.
  • an object of the present invention is to provide a scalp environment improving device and a scalp environment improving method capable of improving the scalp environment.
  • One aspect of the present invention includes a housing having a suction port and an air outlet, a charged particle generator for generating charged particles that is disposed inside the housing, and disposed from the air outlet to the housing.
  • the scalp environment improving device preferably has a plurality of rod-shaped portions, and the contact portion is a tip portion of the rod-shaped portion.
  • the rod-like portion is curved in the longitudinal direction.
  • the distance between the contact portion and the air outlet is preferably 15 cm or less.
  • the scalp environment improving device preferably includes a cover body surrounding the scalp contact body.
  • Another aspect of the present invention is a scalp environment improving method using the scalp environment improving apparatus, wherein the charged particles are delivered to the scalp while the scalp contact body is in contact with the scalp. is there.
  • a scalp environment improving device and a scalp environment improving method capable of improving the scalp environment can be provided.
  • FIG. 1 It is a side view which shows the scalp environment improvement apparatus of Embodiment 1.
  • FIG. It is a perspective view which shows the scalp environment improvement apparatus of Embodiment 1.
  • FIG. It is sectional drawing which shows the scalp environment improvement apparatus of Embodiment 1.
  • FIG. It is a schematic diagram which shows the aspect which enforces the scalp environment improvement method of Embodiment 3.
  • FIG. 10 is a schematic diagram showing a state in the vicinity of the scalp in the scalp environment improving method of Embodiment 3.
  • FIG. It is a graph which shows the evaluation result of the moisture content of the scalp in examination 1. It is a graph which shows the evaluation result of the oil content of the scalp in examination 1.
  • 10 is a graph showing an evaluation result of sensory evaluation 1 in examination 1. It is a graph which shows the evaluation result of sensory evaluation 2 in examination 1. It is a graph which shows the evaluation result of the moisture content of the scalp in examination 2. It is a graph which shows the evaluation result of the oil content of the scalp in examination 2. It is a graph which shows the evaluation result of the number of Malassezia bacteria in examination 2.
  • 10 is a graph showing the evaluation results of sensory evaluation 3 in Study 2.
  • FIG. 10 is a graph showing the evaluation results of sensory evaluation 4 in Study 2. It is a graph which shows the evaluation result of sensory evaluation 5 in examination 2.
  • FIG. It is a graph which shows the evaluation result of sensory evaluation 6 in examination 2.
  • the scalp environment improving apparatus includes a cylindrical housing 1, a grip 2, and a scalp contact body 3.
  • a suction port 11 and an air outlet 12 are formed at one end and the other end of the cylindrical housing 1. Inside the housing 1, an internal space capable of forming an air flow from the inlet 11 toward the outlet 12 is configured.
  • a charged particle generation unit 13 and a blower unit 14 are arranged. Further, a heater 15 and a control unit 16 are disposed inside the housing 1.
  • the charged particle generator 13 is for generating charged particles. Specifically, the charged particle generating unit 13 includes two pairs of needle-like discharge electrodes and two pairs of annular dielectric electrodes surrounding the discharge electrodes (not shown).
  • a corona discharge is generated by applying a voltage between the discharge electrode and the dielectric electrode.
  • the corona discharge generates positive ions and negative ions around the discharge electrode.
  • the positive ion is H + (H 2 O) m (m is an arbitrary natural number)
  • the negative ion is O 2 ⁇ (H 2 O) m (m is an arbitrary integer including 0).
  • the blower unit 14 is for sending charged particles from the air outlet 12 toward the outside of the housing 1, and can generate an air flow from the suction port 11 toward the air outlet 12.
  • the ventilation part 14 which is an axial fan is illustrated, it is not limited to this.
  • each of the above parts is arranged in the order of the suction port 11, the air blowing unit 14, the charged particle generating unit 13, and the air outlet 12 from the suction port 11 toward the air outlet 12.
  • the heater 15 is for heating the air in the vicinity of the heater 15.
  • the heater 15 is disposed at least between the air blowing unit 14 and the air outlet 12, and is preferably disposed between the charged particle generating unit 13 and the air blowing unit 14.
  • the structure of the heater 15 is not specifically limited, For example, the structure which wound the heating wire around the support plate arrange
  • the control unit 16 is electrically connected to the charged particle generation unit 13, the air blowing unit 14, the heater 15, and an operation unit 21 described later. Thereby, according to the operation from the user received by the operation unit 21, the operations of the charged particle generation unit 13, the air blowing unit 14, and the heater 15 can be controlled.
  • the grip 2 is a portion that is gripped by the user so that the user can easily use the scalp environment improving device.
  • the grip 2 is provided with an operation unit 21 for the user to operate the scalp environment improving device.
  • the grip 2 is connected to a power cord (not shown). Thereby, the scalp environment improvement apparatus can be electrically connected to the external power supply.
  • the scalp contact body 3 is disposed outside the housing 1.
  • at least a contact portion (a tip portion of the rod-shaped portion 31 in FIG. 2) that contacts at least the user's scalp among the scalp contact body 3 is charged from the air outlet 12 to the outside of the housing 1.
  • the scalp contact body 3 is arrange
  • the scalp contact body 3 has a plurality of rod-shaped parts 31.
  • the tip portion of the rod-shaped portion 31 becomes a contact portion that contacts the user's scalp.
  • Such a scalp contact body 3 has a first function that gives a pleasant stimulus to the scalp, and the hair on the scalp is scraped and floated off the scalp, thereby exposing the scalp to the external environment and the scalp underneath the hair and the air outlet. And a second function for easily contacting the charged particles delivered from 12.
  • the scalp contact body 3 and the housing 1 may be formed integrally or may be configured to be separable.
  • the housing 1 preferably includes an attachment / detachment switch 17 that allows the scalp contact body 3 to be attached / detached.
  • the detachable switch 17 can be in a pressed state when the scalp contact body 3 is mounted on the housing 1, for example, and can be in a non-pressed state when the scalp contact body 3 is not mounted on the housing 1.
  • . 2 shows a state where the scalp contact body 3 is mounted on the housing 1
  • FIG. 4 shows a state where the scalp contact body 3 is not mounted on the housing 1.
  • the mounting operation of the scalp contact body 3 and the operation of each unit can be linked.
  • the controller 16 prohibits the driving of the heater 15 or determines the degree of heating by the heater 15. It can be controlled low.
  • the controller 16 can permit the heater 15 to be driven.
  • the scalp contact body 3 when the scalp contact body 3 is attached to the scalp environment improving apparatus, it is possible to prevent the temperature of the air blown to the scalp from becoming too high.
  • Such an apparatus for improving scalp environment is used to dry hair with hot air at a relatively high temperature when the scalp contact body 3 is not worn, and to a scalp at a relatively low temperature when the scalp contact body 3 is worn. Can have both functions of care.
  • the distance between the air outlet 12 and the scalp when performing scalp care is likely to be shorter than the distance between the air outlet 12 and the scalp when drying the hair. If the temperature of the air sent out from the air outlet 12 is too high when the distance is short, the scalp such as burns may be damaged. However, according to the above configuration, such damage can be prevented. it can.
  • the scalp environment improving apparatus of Embodiment 1 operates as follows. First, a power cord (not shown) extending from the grip 2 is connected to an external power source. When the scalp contact body 3 and the housing 1 are detachable, the scalp contact body 3 is mounted on the housing 1 in advance.
  • the operation unit 21 is operated in a state where the rod-shaped portion 31 of the scalp contact body 3 is in contact with the user's scalp.
  • the operation received by the operation unit 21 is transmitted to the control unit 16.
  • the control unit 16 drives the charged particle generation unit 13 and the air blowing unit 14 in accordance with the operation received by the operation unit 21.
  • the tip of the rod-like portion 31 that comes into contact with the scalp is located in the flow path of the charged particles. For this reason, most of the charged particles delivered to the outside of the housing 1 can go to the vicinity of the tip portion of the rod-shaped portion 31.
  • the scalp contact body 3 has a second function that makes it easier to contact the scalp under the hair and the charged particles delivered from the outlet 12 by scraping the hair on the scalp and floating it from the scalp. And have. Therefore, the charged particles delivered to the vicinity of the tip portion of the rod-like portion 31 can efficiently reach the scalp exposed in the vicinity of the tip portion.
  • the first function of the distal end portion of the rod-shaped portion 31 can give a pleasant stimulus to the scalp. Furthermore, the scalp in the vicinity of the tip portion can be exposed to the outside by the second function of the tip portion, so that the charged particles can efficiently reach the scalp exposed to the outside. In the scalp where such a pleasant stimulus is given and many charged particles reach, the scalp environment is improved.
  • improving the scalp environment include: (1) maintaining the scalp water content appropriately, (2) maintaining the scalp oil content appropriately, (3) the user feels the scalp comfortably ( 4) Inhibiting the growth of Malassezia, and (5) Promoting hair growth and hair growth. If at least one of these is improved, it can be considered that the scalp environment has been improved.
  • the barrier function of the scalp (the function of the scalp itself that suppresses damage to the scalp due to external stimuli) is reduced. This is an unfavorable state as a scalp environment.
  • lack of ceramide and hyaluronic acid in the skin reduces the moisture retention capacity of the skin, causing wrinkles and sagging, which is partly due to the reduced barrier function of the skin. . Therefore, the above (1) can be said to be one of the improvements of the scalp environment.
  • the evaporation of moisture from the scalp is suppressed due to the surface of the scalp being covered with the charged particles.
  • the above (2) can be said to be one of the improvements of the scalp environment.
  • the scalp environment is not preferable. This is because it causes stickiness of the scalp and odor.
  • feeling the scalp soft or warming the scalp is one of the improvements in the scalp environment.
  • Other improvements to the scalp environment include, for example, the feeling that the hair has increased in volume, the degree of worries about hair loss, the degree of dandruff, the degree of irritation of the scalp, and the concern of gray hair I feel a decrease in each of the degree (the degree to which gray hair is noticeable), the degree to which the scalp smells, the degree to which the division of the scalp is concerned (the degree to which the division is noticeable), and the degree to which the head feels heavier And so on.
  • the scalp environment improving apparatus of the present embodiment it is possible to improve the scalp environment as described above. The reason is presumed as follows.
  • a wind containing charged particles is sent from the drier toward the hair, but it is difficult to send out to the scalp.
  • the scalp is usually covered with hair, and simply sending a wind containing charged particles toward such a scalp consumes much of the charged particles on the hair surface, resulting in This is because it is difficult to reach a sufficient amount of charged particles to the scalp.
  • the comb Even if there is a comb on the blower outlet side of the dryer, the comb only has a structure for combing the hair, so it is not possible to float the hair sufficiently from the scalp and expose the scalp to the external environment. difficult.
  • the scalp environment improving device of the present embodiment has the first function that gives a pleasant stimulus to the scalp and the scalp under the hair by scraping the hair on the scalp and floating it from the scalp.
  • a scalp contact body 3 having a second function that makes it easy to come into contact with charged particles delivered from the air outlet 12 is provided.
  • the scalp can maintain a suitable amount of water or a suitable amount of oil. It is done. Along with this, the user can feel the state of the scalp comfortably.
  • a sufficient amount of charged particles can reach the scalp that is suitably stimulated to suppress the growth of Malassezia. Furthermore, it is expected that a sufficient amount of charged particles reach the scalp that is suitably stimulated to promote hair growth and hair growth.
  • the distance between the tip of the bar-shaped part 31 of the scalp contact body 3 (the part in contact with the scalp) and the air outlet 12 is 15 cm or less. preferable.
  • the charged particles can reach the scalp at a higher concentration.
  • the said distance is a linear distance of the blower outlet 12 and the front-end
  • the ion concentration delivered from the charged particle generating unit 13 is 3.3 million / cm 3 or more for both positive ions and negative ions. In the case of 3.3 million pieces / cm 3 or more, the effect of improving the scalp environment described above can be further enhanced.
  • the ion concentration is a value measured at a position 15 cm away in the direction in which the airflow is sent out from the air outlet 12. Ions can be measured with an ion counter.
  • the scalp contact body 3 of the first embodiment from the viewpoint of suitably having the second function, it is preferable that there are at least two rod-shaped portions 31. This is because, when the number of the rod-shaped portions 31 is one, there is a possibility that the action of scooping up the hair from the scalp cannot be performed sufficiently.
  • the rod-shaped part 31 is curved like a bowl in the longitudinal direction from the viewpoint of suitably having the first function. This is because the rod-like portion 31 is curved in a bowl shape, so that excessive force can be released and a more comfortable stimulus can be given to the scalp compared to a linear structure.
  • the rod-shaped part 31 can also have a 2nd function suitably by curving in the bowl shape in the longitudinal direction. This is because the bar-shaped portion 31 has a portion that swells up in a bowl shape, whereby the hair can be more suitably lifted from the scalp at the portion.
  • At least the tip of the rod-shaped portion 31 of the scalp contact body 3 is disposed in the charged particle flow path and in the vicinity of the outer periphery of the flow path. Is preferred.
  • FIG. 5 is a schematic perspective view for explaining the outer diameter of the air outlet.
  • the outer diameter of the air outlet 12 when viewing the air outlet 12 from the outside is regarded as the exhaust surface (region surrounded by the dotted line in FIG. 5).
  • the exhaust surface has a circular shape with a part missing.
  • the cylindrical area formed by continuously moving the exhaust surface in parallel from the outlet 12 to the outside of the housing 1 is regarded as a flow path for charged particles.
  • the charged particles are discharged to the outside while being diffused in all directions.
  • the vicinity of the center of the flow path means the vicinity of the center when the flow path is visually observed from the direction in which the flow path extends (the direction extending from the outlet 12 to the outside of the housing 1).
  • the vicinity means the vicinity of the outer periphery when the channel is viewed from the direction in which the channel extends.
  • tip portion of the rod-like portion 31 is preferably arranged near the outer periphery rather than near the center of the flow path of the charged particles is as follows.
  • Charged particles are sent out while being diffused from the air outlet 12 to the outside. For this reason, the concentration of charged particles in the vicinity of the outer periphery in the flow path tends to be lower than the concentration of charged particles in the vicinity of the center in the flow path.
  • the tip of the rod-shaped portion 31 is arranged in the vicinity of the center in the flow path of the charged particles.
  • the scalp contact body 3 is moved (for example, about 10 cm) while the scalp contact body 3 is in contact with the scalp, the scalp exposed to the outside has a position where the tip portion is currently in contact with the scalp contact body 3. It becomes the scalp between the position which is displaced 10 cm from the position.
  • the tip portion of the rod-shaped portion 31 is disposed in the vicinity of the outer periphery of the charged particle flow path.
  • the deviation between the position in the vicinity of the center of the flow path where the charged particles of high concentration exist and the position of the scalp exposed to the outside is smaller than in the above case. This is because the position where the tip portion is currently in contact is in the vicinity of the outer periphery of the flow path, and the position of the scalp exposed to the outside in the vicinity thereof can be in the vicinity of the center of the flow path.
  • the charged particles can be more efficiently introduced into the scalp exposed to the outside by disposing the tip portion of the rod-shaped portion 31 in the vicinity of the outer periphery than in the vicinity of the center of the flow path of the charged particles.
  • the second embodiment is different from the first embodiment in that the scalp environment improving device further includes a cover body.
  • the scalp environment improving device further includes a cover body.
  • FIG. 6 is a perspective view showing the scalp environment improving apparatus of the second embodiment.
  • the scalp environment improving apparatus further includes a cover body 4 surrounding the scalp contact body 3.
  • the cover body 4 has a function of forming a flow path for guiding charged particles delivered from the air outlet 12 to the scalp in contact with the scalp contact body 3.
  • the cover body 4 has a substantially cylindrical shape in which an air outlet side end portion 41 connected to the air outlet 12 and an external side end portion 42 opposed to the air outlet side end portion 41 are opened.
  • the region surrounded by the cover body 4 from the air outlet side end portion 41 toward the external side end portion 42 has a shape that greatly expands.
  • the cover body 4 having such a configuration does not impede the function of the scalp contact body 3, and the air containing the charged particles sent out from the air outlet 12 to the outside of the bar-shaped portion 31 of the scalp contact body 3.
  • An air passage that efficiently leads to the tip can be configured.
  • the cover body 4 may be formed integrally with the scalp contact body 3 as shown in FIG. 6, or may be formed individually as a member different from the scalp contact body 3.
  • the air containing charged particles can be freely diffused before reaching the scalp from the air outlet 12. For this reason, the concentration (number / cm 3 ) of charged particles reaching the scalp is smaller than the concentration (number / cm 3 ) of charged particles immediately after being sent to the outside from the air outlet 12.
  • the scalp environment improving device provided with the cover body 4, the air containing the charged particles sent out from the air outlet 12 is guided into the air path formed by the cover body 4, and the end of the air path It reaches the nearby scalp.
  • a higher concentration of charged particles can reach the scalp than when air containing charged particles diffuses freely before reaching the scalp from the air outlet 12.
  • the third embodiment is a scalp environment improving method using the scalp environment improving apparatus according to the first or second embodiment.
  • the scalp environment improving method is a method of sending charged particles to the scalp while the scalp contact body 3 is in contact with the scalp.
  • FIG. 7 is a schematic diagram showing a mode for carrying out the scalp environment improving method of the third embodiment.
  • FIG. 8 is a schematic diagram showing a state in the vicinity of the scalp in the scalp environment improving method of the third embodiment.
  • a scalp environment improving device is used.
  • the scalp contact body 3 can be brought into contact with the scalp M.
  • the scalp contact body 3 has the first function that gives a pleasant stimulus to the scalp and the charged particles delivered from the scalp under the hair and the air outlet 12 by scraping the hair on the scalp and floating it from the scalp. And a second function for facilitating contact. Accordingly, the charged particles efficiently reach the scalp while suitably stimulating the scalp, and thus the above-described scalp environment can be improved.
  • the tip portion of the scalp contact body 3 of the scalp environment improving apparatus is moved on the scalp while the tip portion of the rod-like portion 31 is in contact with the scalp. It is preferable that the movement at this time has such a speed and strength that the user feels comfortable with stimulation by the tip portion sliding on the scalp.
  • the hair that grows on the scalp whose tip has moved by the above movement is in a state of floating from the scalp. That is, the hair on the scalp in a larger area is in a state of floating from the scalp as compared with the case where the tip portion is not moved. Thereby, the area
  • Device A is a device according to the example and corresponds to the scalp environment improving apparatus according to the first embodiment.
  • the device B is a control device for a comparative example, and corresponds to a device in which the charged particle generating unit 13 is removed from the scalp environment improving device according to the first embodiment.
  • the first treatment for the right scalp of the test subject 1 subjects was performed by a third party (examination staff) different from the test subjects. Specifically, with the tip of the rod-shaped part provided in the device A in contact with the right scalp of the subject in the test section 1, the tip is directed from the front of the head to the back of the head over 3 seconds. After the movement, the operation of separating the tip portion from the scalp for 2 seconds was performed 60 times. Thereby, the stimulation by the rod-shaped portion and the blowing of warm air containing charged particles were performed for 5 minutes on the entire scalp of the right side of the test subject 1 subjects.
  • an interval was set for 60 minutes for the subject to rest.
  • a second process was performed on the subject's left scalp.
  • the second treatment for the left scalp was the same as the first treatment for the right scalp except that device B was used instead of device A.
  • stimulation by the rod-shaped part and blowing of warm air were performed for 5 minutes on the entire left scalp of the test subject 1 subjects.
  • Table 1 shows each setting condition when used in Device A and Device B.
  • the temperature of Table 1 is a temperature measured with the thermometer arrange
  • the first process using the device A was performed on the entire right scalp and the second process using the device B was performed on the entire left scalp in the test area 1 subjects.
  • test in the right scalp of the subject in the test group 1 and the left scalp of the test subject 2 in the test group 2 are examples, and the test in the left scalp of the test subject 1 and the test subject 2 in the right scalp is a comparative example. is there.
  • the average value of each value of (a) in the test group 1 subjects and (c) in the test group 2 subjects is the value of the example (before treatment), and (b) and test group 2 in the test group 1 subjects.
  • the average value of each value of (d) in the subject was the value of the example (after treatment).
  • the average value of (c) in the test group 1 subject and (a) in the test group 2 subject is the value of the comparative example (before treatment), and (d) and test group in the test group 1 test subject
  • the average value of each value of (b) in 2 subjects was taken as the value of the comparative example (after treatment).
  • Each value in Examples and Comparative Examples was an average value.
  • Moisture content of the scalp The moisture content of the scalp (g / (m 2 ⁇ hr)) was measured using a transcutaneous moisture transpiration meter (“Tewameter TM300”, Courage + Khazaka electronic). The results of each subject were averaged and used as the evaluation result.
  • Sensory evaluation 1 Softness of scalp With respect to the softness of the scalp, sensory evaluation was performed by each subject, and the results were averaged to obtain an evaluation result.
  • the evaluation criteria at that time are as follows. Before and after the treatment, each subject plotted in a position considered to correspond to the degree that each subject felt “the scalp was soft” in the evaluation bar in which only the lower limit and the upper limit were shown. Next, a third party different from the test subject digitizes the position of each plot by setting the lower limit and upper limit values of the evaluation bar to “0” and “100” for the results of each test subject. The average value and the average value after processing were calculated.
  • Sensory evaluation 2 warmth of scalp The sensory evaluation by each tester was performed on the warmth of the scalp, and the results were averaged to obtain an evaluation result.
  • the evaluation criteria at that time are as follows. Before and after the treatment, each subject plotted in a position considered to correspond to the degree of “feeling that the scalp is soft and warm” in the evaluation bar showing only the lower limit and the upper limit. Next, a third party different from the test subject digitizes the position of each plot by setting the lower limit and upper limit values of the evaluation bar to “0” and “100” for the results of each test subject. The average value and the average value after processing were calculated. Next, a value obtained by subtracting the obtained numerical value before processing (average value) from the numerical value after processing (average value) was calculated.
  • FIG. 9 is a graph showing the evaluation results of the moisture content of the scalp in Study 1.
  • the degree of decrease in the amount of water transpiration due to the treatment was low, and there was no significant difference between before and after the treatment.
  • the degree of decrease in the amount of water transpiration due to the treatment was large, and a significant difference (p ⁇ 0.05) before and after the treatment was confirmed. From this, it was found that in the examples, the amount of moisture transpiration of the scalp was smaller than that of the comparative example, and thus the scalp was maintained in a suitable state.
  • the p-value was calculated using Wilcoxon signed rank test.
  • FIG. 10 is a graph showing the result of scalp oil content in Study 1.
  • the sebum secretion amount was greatly reduced by the treatment, and the p value before and after the treatment was p ⁇ 0.2.
  • the amount of sebum secretion after the treatment in the comparative example was extremely low, and it was found that the appropriate amount of oil in the scalp was not maintained.
  • the degree of decrease in the sebum secretion amount due to the treatment was small.
  • p value in the comparison between groups of the difference before and behind the process in a comparative example and the difference before and after the process in an Example was p ⁇ 0.05. From this, it was found that in the examples, the amount of oil in the scalp was higher than in the comparative example, and thus the scalp was maintained in a suitable state.
  • the p-value was calculated using Wilcoxon signed rank test.
  • FIG. 11 is a graph showing the results of sensory evaluation 1 in Study 1.
  • the evaluation of “feeling that the scalp is soft” was higher after the treatment than before the treatment, and a significant difference (p ⁇ 0.05) before and after the treatment was confirmed. From this point, it was found that in the examples, the scalp feels softer than the comparative example, and thus the scalp is maintained in a suitable state.
  • a paired t test was used for the calculation of the p value.
  • FIG. 12 is a graph showing the results of sensory evaluation 2 in Study 1.
  • the difference before and after the treatment in the example was larger than the difference before and after the treatment in the comparative example.
  • p value in the comparison between groups of the difference before and behind the process in a comparative example and the difference before and after the process in an Example was p ⁇ 0.2. From this, it was found that the warmth of the scalp due to the treatment can be felt more strongly in the example than in the comparative example, and thus the scalp is maintained in a suitable state.
  • a paired t test was used for the calculation of the p value.
  • Example 2 The subjects were 59 women aged 40 to 65 years, 29 were randomly extracted as Group A, and 30 were randomly extracted as Group B. Carried out. In conducting the test, the same devices A and B as those in Study 1 were used. Device A was used for Group A and Device B was used for Group B.
  • Group B subjects used device B in place of device A, and performed the same tests as those of group A subjects every day for 12 weeks.
  • [Evaluation] The evaluation items in Study 2 are listed in [5] to [15] below. [5] to [7] were evaluated by the inspection staff at the inspection organization immediately before the start of the test (week 0), after 4 weeks, 8 weeks and 12 weeks after the start date of the test. . [8] to [15] were evaluated by each subject at the testing institute immediately before the start of the test (week 0), after 4 weeks from the start of the test, after 8 weeks, and after 12 weeks. .
  • the solution in the seed tube was used as a seeding fungus solution, and the seeding fungus solution was seeded on an agar medium (“Chromoaga (registered trademark) Malassezia / Candita medium”, Kanto Chemical Co., Inc.) and cultured. After the culture, the number of Malassezia bacteria on the agar medium was measured, and the number of Malassezia bacteria in each subject in each group was evaluated. In addition, the measurement of the number of malassezia bacteria was implemented in LSI Rulece Corporation.
  • Sensory evaluation 8 Scalp odor The sensory evaluation by each subject was performed on the degree of scent of the scalp, and the results were averaged. The evaluation method at that time was the same as [8] above, except that the index of the evaluation bar was changed to a degree of “I'm worried about the scalp smell”.
  • Sensory evaluation 10 Head weight Sensory evaluation by each subject was performed on the degree of head weight, and the results were averaged to obtain an evaluation result.
  • the evaluation method at that time was the same as [8] above, except that the index of the evaluation bar was changed to a degree of “feeling heavier than the head”.
  • the amount of change in water transpiration was negative. That is, in the Examples, the amount of water transpiration in the scalp at the 12th week was smaller than the amount of water transpiration in the scalp at the 0th week.
  • the amount of change in water transpiration was a positive value. That is, in the comparative example, the amount of water transpiration in the scalp at the 12th week was larger than the amount of water transpiration in the scalp at the 0th week. Furthermore, a significant difference (p ⁇ 0.05) was confirmed between the examples and the comparative examples. From this, it was found that the amount of transpiration of the scalp was smaller than that of the comparative example, and the scalp was maintained in a suitable state. The Mann-Whitney U test was used to calculate the p value.
  • FIG. 14 is a graph showing the evaluation results of the amount of oil on the scalp in Study 2.
  • the white bar graph (Example) is the amount of change in the oil content of the scalp in the subjects of Group A, and is the average value of the values obtained by subtracting the value of the 0th week from the value of the 8th week of each subject.
  • the bar graph (comparative example) hatched with diagonal lines is the amount of change in the oil content of the scalp in the subjects of Group B, and is the average value of the values obtained by subtracting the value of the 0th week from the value of the 8th week of each subject.
  • Each oil change amount in group A and group B was a negative value, and the absolute value was larger in group A. That is, in the example, the oil content in the scalp at the 8th week was greatly reduced with respect to the oil content in the scalp at the 0th week as compared with the comparative example. Furthermore, a significant difference (p ⁇ 0.05) was confirmed between the examples and the comparative examples. From this, it was found that the degree of reduction in the oil content of the scalp was larger in the example than in the comparative example, and thus the scalp was maintained in a suitable state. The Mann-Whitney U test was used to calculate the p value.
  • FIG. 15 is a graph showing the evaluation results of the number of Malassezia bacteria in Study 2.
  • a broken line (Example) indicated by a solid line is a transition from the 0th week of the number of Malassezia bacteria in the scalp in the subjects in Group A, and each number of Malassezia bacteria at the 0th, 4th, and 8th week of the test start The average value of changes from the 0th week is connected.
  • a broken line (comparative example) indicated by a dotted line is a transition from the 0th week of the number of malassezia bacteria in the scalp in the subjects of the group B, and each number of malassezia bacteria at the 0th, 4th, and 8th weeks of the start of the test. The average value of changes from the 0th week is connected.
  • FIG. 16 is a graph showing the evaluation results of sensory evaluation 3 in Study 2.
  • the white bar graph (Example) is the result (average value) of the sensory evaluation in the subjects in Group A, and the result at the 0th week and the result at the 12th week are shown.
  • the bar graph (comparative example) hatched with diagonal lines is the result (average value) of sensory evaluation of the scalp in the subjects of group B, and the results at the 0th week and the results at the 12th week are shown.
  • the degree of “feeling that the hair has increased in volume” was greater in the 12th week than in the 0th week, and the degree of change was particularly greater in the example. Furthermore, p value in the comparison between the groups of Example and Comparative Example at 12 weeks was p ⁇ 0.1. From this, it was found that, in the example, compared to the comparative example, there is a tendency that the hair volume is strongly increased, and the scalp tends to be maintained in a suitable state. The p-value was calculated using an unpaired t-test.
  • FIG. 17 is a graph showing the evaluation results of sensory evaluation 4 in Study 2.
  • the white bar graph (Example) is the result of sensory evaluation in subjects in Group A, and is the average value of the values obtained by subtracting the value of the evaluation result of the 0th week from the value of the evaluation result of the 12th week of each subject. It is.
  • the bar graph (comparative example) hatched with diagonal lines is the result of sensory evaluation in the subjects of group B, and is the value obtained by subtracting the value of the evaluation result of the 0th week from the value of the evaluation result of the 12th week of each subject. Average value.
  • VAS value change amount The average value of the degree of change in sensory evaluation (VAS value change amount) in Group A was about -15.0, whereas the average value of VAS value change amount in Group B was about -7.0. Furthermore, p value in the comparison between groups of an Example and a comparative example was p ⁇ 0.2. From this, it was found that, in the example, compared to the comparative example, there is a tendency to strongly feel a reduction in the degree to which hair loss is anxious, and thus the scalp tends to be maintained in a suitable state. The p-value was calculated using an unpaired t-test. VAS means Visual Analogue Sxale.
  • FIG. 18 is a graph showing the evaluation results of sensory evaluation 5 in Study 2.
  • the white bar graph (Example) is the result (average value) of the sensory evaluation in the subjects in Group A, and the result at the 0th week and the result at the 12th week are shown.
  • the bar graph (comparative example) hatched with diagonal lines is the result (average value) of sensory evaluation of the scalp in the subjects of group B, and the results at the 0th week and the results at the 12th week are shown.
  • the degree of “I am worried about dandruff” was smaller in the 12th week than in the 0th week, and in particular, the change in the degree was larger in the example. Furthermore, p value in the comparison between the groups of the Example and the Comparative Example at the 12th week was p ⁇ 0.2. From this, it was found that, in the example, compared to the comparative example, there is a tendency to strongly feel a reduction in the degree of dandruff, and the scalp tends to be maintained in a suitable state. The p-value was calculated using an unpaired t-test.
  • FIG. 19 is a graph showing the evaluation results of sensory evaluation 6 in Study 2.
  • the white bar graph (Example) is the result (average value) of the sensory evaluation in the subjects in Group A, and the result at the 0th week and the result at the 12th week are shown.
  • the bar graph (comparative example) hatched with diagonal lines is the result (average value) of sensory evaluation of the scalp in the subjects of group B, and the results at the 0th week and the results at the 12th week are shown.
  • the degree of “I am worried about the scalp itch” was smaller in the 12th week than in the 0th week, and in particular, the change in the degree was larger in the example. Furthermore, the p value in the comparison between the groups of the Example and the Comparative Example at the 12th week was p ⁇ 0.05, and a significant difference was confirmed. From this, it was found that, in the example, compared with the comparative example, the reduction in the degree of scalp itchiness can be felt strongly, and the scalp is maintained in a suitable state. The p-value was calculated using an unpaired t-test.
  • FIG. 20 is a graph showing the evaluation results of sensory evaluation 7 in Study 2.
  • the white bar graph (Example) is the result (average value) of the sensory evaluation in the subjects in Group A, and the result at the 0th week and the result at the 12th week are shown.
  • the bar graph (comparative example) hatched with diagonal lines is the result (average value) of sensory evaluation of the scalp in the subjects of group B, and the results at the 0th week and the results at the 12th week are shown.
  • the degree of “worried about gray hair” was smaller in the 12th week than in the 0th week, and in particular, the change in the degree was greater in the example. Furthermore, p value in the comparison between the groups of Example and Comparative Example at 12 weeks was p ⁇ 0.1. From this, it was found that, in the example, compared to the comparative example, there is a tendency to strongly feel a reduction in the degree of concern for gray hair, and thus the scalp tends to be maintained in a suitable state. The p-value was calculated using an unpaired t-test.
  • FIG. 21 is a graph showing the evaluation results of sensory evaluation 8 in Study 2.
  • the white bar graph (Example) is the result (average value) of the sensory evaluation in the subjects in Group A, and the result at the 0th week and the result at the 12th week are shown.
  • the bar graph (comparative example) hatched with diagonal lines is the result (average value) of sensory evaluation of the scalp in the subjects of group B, and the results at the 0th week and the results at the 12th week are shown.
  • the degree of “I'm worried about the scalp smell” was smaller in the 12th week than in the 0th week, and in particular, the change in the degree was larger in the example. Furthermore, p value in the comparison between the groups of Example and Comparative Example at 12 weeks was p ⁇ 0.1. From this, it was found that, in the example, compared to the comparative example, there is a tendency to strongly feel a reduction in the degree of anxiety of the scalp, and thus the scalp tends to be maintained in a suitable state. . The p-value was calculated using an unpaired t-test.
  • FIG. 22 is a graph showing the evaluation results of sensory evaluation 9 in Study 2.
  • the white bar graph (Example) is the result (average value) of the sensory evaluation in the subjects in Group A, and the result at the 0th week and the result at the 12th week are shown.
  • the bar graph (comparative example) hatched with diagonal lines is the result (average value) of sensory evaluation of the scalp in the subjects of group B, and the results at the 0th week and the results at the 12th week are shown.
  • the degree of “I am worried about the division” was smaller in the 12th week than in the 0th week, and in particular, the change in the degree was greater in the example. Furthermore, p value in the comparison between the groups of Example and Comparative Example at 12 weeks was p ⁇ 0.1. From this, it was found that in the example, compared to the comparative example, there is a tendency to strongly feel a reduction in the degree of concern about the division, and thus the scalp tends to be maintained in a suitable state. The p-value was calculated using an unpaired t-test.
  • FIG. 23 is a graph showing the evaluation results of sensory evaluation 10 in Study 2.
  • the white bar graph (Example) is the result of sensory evaluation in subjects in Group A, and is the average value of the values obtained by subtracting the value of the evaluation result of the 0th week from the value of the evaluation result of the 12th week of each subject. It is.
  • the bar graph (comparative example) hatched with diagonal lines is the result of sensory evaluation in the subjects of group B, and is the value obtained by subtracting the value of the evaluation result of the 0th week from the value of the evaluation result of the 12th week of each subject. Average value.
  • the average value of the degree of change in sensory evaluation (VAS value change amount) in Group A was about -17.5, whereas the average value of VAS value change amount in Group B was about -8.0.
  • p value in the comparison between groups of an Example and a comparative example was p ⁇ 0.1. From this, it was found that, in the example, compared with the comparative example, there is a tendency to strongly feel a reduction in the degree that the head feels more and more, and thus the scalp tends to be maintained in a suitable state. .
  • the p-value was calculated using an unpaired t-test.

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  • Massaging Devices (AREA)
  • Cleaning And Drying Hair (AREA)

Abstract

L'invention concerne un dispositif d'amélioration d'environnement de cuir chevelu, comprenant : un boîtier (1), comprenant en outre une ouverture d'admission (11) et une ouverture d'évacuation (12) ; une unité d'émission de particules chargées (13) qui est positionnée à l'intérieur du boîtier (1) et qui est destinée à émettre des particules chargées ; une unité de ventilation (14) qui est positionnée à l'intérieur du boîtier (1) et qui est destiné à envoyer les particules chargées à l'extérieur du boîtier (1) à partir de l'ouverture d'évacuation (12) ; et un corps (3) de contact avec le cuir chevelu qui est positionné à l'extérieur du boîtier (1). Dans le corps (3) de contact avec le cuir chevelu, au moins une partie de contact qui entre en contact avec le cuir chevelu d'un utilisateur est positionnée à l'intérieur d'un trajet d'écoulement des particules chargées qui sont envoyées à l'extérieur du boîtier à partir de l'ouverture d'évacuation.
PCT/JP2017/003787 2016-09-02 2017-02-02 Dispositif d'amélioration d'environnement de cuir chevelu et procédé d'amélioration d'environnement de cuir chevelu WO2018042698A1 (fr)

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CN201780011400.4A CN109715003A (zh) 2016-09-02 2017-02-02 头皮环境改善装置及头皮环境改善方法
JP2018536690A JP7051688B2 (ja) 2016-09-02 2017-02-02 頭皮環境改善装置および頭皮環境改善方法
JP2022008344A JP7429247B2 (ja) 2016-09-02 2022-01-24 頭皮環境改善装置および頭皮環境改善方法
JP2023204340A JP7579420B2 (ja) 2016-09-02 2023-12-04 頭皮環境改善装置および頭皮環境改善方法

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JPWO2018042698A1 (ja) 2019-06-24
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