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EP2708153B1 - Method for humidifying hair and reducing damage, and device for humidifying hair and reducing damage - Google Patents

Method for humidifying hair and reducing damage, and device for humidifying hair and reducing damage Download PDF

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Publication number
EP2708153B1
EP2708153B1 EP12782876.2A EP12782876A EP2708153B1 EP 2708153 B1 EP2708153 B1 EP 2708153B1 EP 12782876 A EP12782876 A EP 12782876A EP 2708153 B1 EP2708153 B1 EP 2708153B1
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EP
European Patent Office
Prior art keywords
hair
ions
ion generation
positive
negative
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP12782876.2A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2708153A4 (en
EP2708153A1 (en
Inventor
Emi Saito
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sharp Corp
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Sharp Corp
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Filing date
Publication date
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Publication of EP2708153A1 publication Critical patent/EP2708153A1/en
Publication of EP2708153A4 publication Critical patent/EP2708153A4/en
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Publication of EP2708153B1 publication Critical patent/EP2708153B1/en
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Classifications

    • 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
    • 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
    • A45D20/22—Helmets with hot air supply or ventilating means, e.g. electrically heated air current
    • A45D20/30—Electric circuitry specially adapted for hair drying devices
    • 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
    • A45D20/22—Helmets with hot air supply or ventilating means, e.g. electrically heated air current
    • A45D20/42—Additional devices or measures, e.g. for noise damping, for musical entertainment
    • 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
    • A45D2200/00—Details not otherwise provided for in A45D
    • A45D2200/20—Additional enhancing means
    • A45D2200/202—Ionisation

Definitions

  • the present invention relates to a method and an apparatus for humidifying hair and reducing hair damage for providing moisture to hair with ions and improving hair condition.
  • hair damage is mainly caused by hair drying.
  • the hair drying not only generates dry feeling, but also produces some problems such as easily generating static electricity and losing cohesiveness of the whole hairs as well as mote and dust easily attaching to hair.
  • Cosmetics such as hair conditioner, are sold as hair care use for a long time.
  • the basic mechanism of these cosmetics is for making hair surface smooth.
  • the hair friction is reduced and the hair obtains soft feeling. Additionally, the efficiency of light reflection becomes better and hence the hair obtains glossiness.
  • the hair conditioner is composed mainly of cationic surfactant.
  • the cationic surfactant is easily adhered to the hair carrying a negative charge. For this property, the cationic surfactant covers the hair and then smoothens the surface of hair.
  • Patent Documents 1 and 2 disclose and commercialize cosmetic apparatuses such as hair drying and hair ironing for producing ions. These apparatuses improve hair condition with ions carrying negative charges. However, in the event of having wet hair or damaged hair, since the hair is carrying a negative charge, the hair has lower absorption efficiency even if many negative ions are generated.
  • Patent Document 3 discloses a hair dryer generating positive ions and negative ions.
  • the invention of it aims to improve hair damage by cancelling a charging phenomenon on hair, similar to the inventions disclosed in Patent Documents 1 and 2.
  • WO 2006/063421 discloses a hair dryer incorporating an ionizing device, which has an electrical circuit, which includes, heat resistors, a positive ion generator and a negative ion generator; the ionizing device is connected to the conventional electrical circuit of the device, which is activated at the same time as the electrical motor, or further, when the electrical motor and the electrical resistors are turned on at the same time.
  • the conventional cosmetic apparatuses performing hair caring with the generation of ions improve hair damage by means of cancelling a charging phenomenon on hair.
  • generating positive ions and negative ions, providing moisture to hair with the positive ions and negative ions and then improving hair damage have not been proposed.
  • the present invention aims to provide a method and an apparatus for humidifying hair and reducing hair damage that humidifies hair at ease and improves hair damage with the use of positive ions and negative ions and that reduces hair damage such as serious split hair or cracked hair, which easily occurs at the time of drying and styling washed hair.
  • a method for humidifying hair and reducing hair damage characterized by comprising: preparing a positive ion generation means for discharging electricity between a discharge electrode and a counter electrode and generating plasma by the application of positive voltage from a high-voltage power supply part connected to the discharge electrode and to the counter electrode to generate positive ions combined to water molecules because of the generated plasma and a negative ion generation means for discharging electricity between a discharge electrode and a counter electrode and generating plasma by the application of negative voltage from the high-voltage power supply part connected to the discharge electrode and to the counter electrode to generate negative ions combined to water molecules because of the generated plasma; and humidifying hair and reducing damage occurring in hair by irradiating the positive ions and negative ions generated respectively by the positive ion generation means and the negative ion generation means to hair.
  • the method for humidifying hair and reducing hair damage in accordance with the present invention features that the positive ion is H + (H 2 O) m (m is an arbitrary natural number), and the negative ion is O 2 - (H 2 O) n (n is an arbitrary natural number).
  • the method for humidifying hair and reducing hair damage in accordance with the present invention further comprises preparing an air blowing mechanism for blowing air including the positive ions and negative ions generated respectively by the positive ion generation means and the negative ion generation means and blowing air from the air blowing mechanism.
  • an apparatus for humidifying hair and reducing hair damage characterized by comprising: a positive ion generation means including a discharge electrode and a counter electrode and for discharging electricity between the discharge electrode and the counter electrode and generating plasma by the application of positive voltage from a high-voltage power supply part connected to the discharge electrode and to the counter electrode to generate positive ions combined to water molecules because of the generated plasma, a negative ion generation means including a discharge electrode and a counter electrode and for discharging electricity between the discharge electrode and the counter electrode and generating plasma by the application of negative voltage from the high-voltage power supply part connected to the discharge electrode and to the counter electrode to generate negative ions combined to water molecules because of the generated plasma; and an air blowing mechanism for blowing air including the positive ions and negative ions generated respectively by the positive ion generation means and the negative ion generation means.
  • the positive ion generation means discharges electricity by the application of positive voltage to generate positive ions combined to water molecules
  • the negative ion generation means discharges electricity by the application of negative voltage to generate negative ions combined to water molecules.
  • the positive ions and negative ions generated respectively by the positive ion generation means and the negative ion generation means are irradiated to hair.
  • the apparatus for humidifying hair and reducing hair damage in accordance with the present invention features that the positive ion is H + (H 2 O) m (m is an arbitrary natural number), and the negative ion is O 2 - (H 2 O) n (n is an arbitrary natural number).
  • the apparatus for humidifying hair and reducing hair damage in accordance with the present invention is configured such that the positive ion generation means and the negative ion generation means are capable of changing the amount of positive ions and negative ions to be generated respectively.
  • the positive ion generation means and the negative ion generation means are capable of changing the amount of positive ions and negative ions to be generated respectively.
  • the air blowing mechanism blows air including the positive ions and negative ions generated respectively by the positive ion generation means and the negative ion generation means.
  • the apparatus for humidifying hair and reducing hair damage in accordance with the present invention is configured such that the air blowing mechanism blows air at a wind speed not more than 15 m/s.
  • the air blowing mechanism blows air at a wind speed not more than 15 m/s.
  • the apparatus for humidifying hair and reducing hair damage in accordance with the present invention further comprises a heating means for heating air blown from the air blowing mechanism.
  • the heating means heats air blown from the air blowing mechanism.
  • the method for humidifying hair and reducing hair damage provides moisture to hair irradiated with generated positive and negative ions by discharge, and removes static electricity so as to bring the effect of hair beauty, therefore, it is easy to handle without maintenance and cost required for buying medicine.
  • the method for humidifying hair and reducing hair damage that humidifies hair and improves hair damage with the use of positive ions and negative ions can be realized. These positive ions and negative ions are combined to water molecules, and these water molecules adhere to the hair and provide moisture. Since positive ions and negative ions are both generated, the effect of moisture giving can be obtained with sufficient number of ions even if the hair is carried with either polarity.
  • the apparatus provides moisture to hair irradiated with generated positive and negative ions by discharge, and removes static electricity so as to bring the effect of hair beauty, therefore, the maintenance and cost required for buying medicine is not necessary.
  • the apparatus for humidifying hair and reducing hair damage that humidifies hair and improves hair damage with the use of positive ions and negative ions can be realized. These positive ions and negative ions are combined to water molecules, and these water molecules adhere to the hair and provide moisture. Since positive ions and negative ions are both generated, the effect of moisture giving can be obtained with sufficient number of ions even if the hair is carried with either polarity.
  • each generation amount of positive ions and negative ions can be freely changed, therefore, the effect of ions matched with peripheral temperature and humidity conditions can be efficiently obtained.
  • FIG. 1 is a perspective view showing an appearance of a cosmetic apparatus as an embodiment of a method and an apparatus for humidifying hair and reducing hair damage related to the present invention.
  • FIG. 2 is a perspective view showing an internal configuration of the cosmetic apparatus.
  • the cosmetic apparatus has a substantially cylindrical shape with an air flow channel 3 formed therein.
  • a discharge port 1 for discharging air is formed at the downstream side of the air flow channel 3, and a suction port 2 for sucking air is formed at the upstream side thereof.
  • the air flow channel 3 is a flow channel connected from the suction port 2 to the discharge port 1.
  • An air blowing mechanism 4 provided with a sirocco fan and a motor for driving the sirocco fan is arranged inside the air flow channel 3, and an intake port of the sirocco fan becomes the suction port 2.
  • the air blowing mechanism 4 sucks air through the suction port 2 and introduces the air into the air flow channel 3, and then circulates the air at the downstream side of the air flow channel 3.
  • a heating part 5 for heating the air circulated in the air flow channel 3 is arranged in the part of the downstream side of the air flow channel 3 relative to the air blowing mechanism 4.
  • the heating part 5 is configured with an insulation plate and a heater wire wounded up at the outside of the insulation plate.
  • branch paths 3a, 3b are divided from the part positioning at the downstream side of the air flow channel 3 relative to the air blowing mechanism 4 and at the upstream side of the air flow channel 3 relative to the heating part 5.
  • the branch paths 3a, 3b are formed inside cylindrical protrusive cylinders 7a, 7b jointly connected to outside from a lateral surface of the air flow channel 3, and they communicate with the air flow channel 3 at inlet ports thereof.
  • Each of ion generation parts 10a, 10b for generating positive ions and negative ions respectively is arranged inside the two branch paths 3a, 3b, individually.
  • the positive ions and negative ions generated by the ion generation parts 10a, 10b are sent to hair with wind individually.
  • a handle 21 is provided at a direction substantially perpendicular to a longitudinal direction of the air flow channel 3.
  • An operation switch 6 is provided at the part of the handle 21 to be grasped by a user.
  • a main body case 14 of an ion generation apparatus including the ion generation parts 10a, 10b is stored inside the handle 21.
  • FIG. 3 is a perspective view showing an example of configuration of the ion generation apparatus 10.
  • the ion generation apparatus 10 is provided with the main body case 14 for storing a circuit part and the ion generation parts 10a, 10b.
  • the ion generation parts 10a, 10b are formed in a substantially hemispherical shape.
  • Ion emission holes 14a, 14b formed in a circular shape with a diameter of, for example, about 8 mm are opened at the plane surface part of the hemisphere, and the top part of the hemisphere is connected to the main body case 14 through a high-voltage wire.
  • Discharge electrodes 11a, 11b formed in stylus shape are arranged in a manner of crossing in a direction perpendicular to the emission holes almost at the center inside the emission holes 14a, 14b.
  • counter electrodes 12a, 12b formed in annular shape are arranged oppositely along the emission holes 14a, 14b at the surrounding of the discharge electrodes 11a, 11b.
  • FIG. 4 is a circuit diagram showing an example of configuration of the ion generation apparatus.
  • the counter electrodes 12a, 12b and the discharge electrodes 11a, 11b are connected to a high-voltage power supply part 13 stored inside the main body case 14.
  • the high-voltage power supply part 13 is connected to an AC 100V power supply 15 through an outlet, and the anode of a diode D1 is connected to one plug of the outlet.
  • One terminal of a capacitor C1 and the anode of a two-terminal thyristor D2 are connected to the cathode of the diode D1 through a resistor R1.
  • the other terminal of the capacitor C1 is connected to the other plug of the outlet, and the primary coil of a transformer 16 is connected between the cathode of the two-terminal thyristor D2 and the other plug of the outlet.
  • One terminal of the secondary coil of the transformer 16 is connected to the cathode of a diode D3 of the ion generation part 10a, and the anode of the diode D3 is connected to the discharge electrode 11a.
  • the one terminal of the secondary coil of the transformer 16 is also connected to the anode of a diode D4 of the ion generation part 10b, and the cathode of the diode D4 is connected to the discharge electrode 11b.
  • the other terminal of the secondary coil of the transformer 16 is connected to the counter electrodes 12a, 12b.
  • the high-voltage power supply part 13 connected to the discharge electrode 11a at one side generates a negative high-voltage pulse voltage (for example, a frequency of 60Hz, a point voltage about -2kV).
  • the high-voltage power supply part 13 connected to the discharge electrode 11b at the other side generates a positive high-voltage pulse voltage (for example, a frequency of 60Hz, a point voltage about 2kV). Therefore, the electricity discharge occurs between the tips of the discharge electrodes 11a, 11b and the counter electrodes 12a, 12b, and then plasma is generated. Because of the generated plasma, a molecule such as oxygen (O 2 ) and water (H 2 O) m in air receives energy.
  • O 2 oxygen
  • H 2 O water
  • the voltage applied to the discharge electrode is a positive voltage
  • a water molecule in air is ionized and then a hydrogen ion (H + ) is generated.
  • the hydrogen ion clusters around a water molecule in air, and then a positive ion composed of H + (H 2 O) m (m is an arbitrary natural number) is mainly generated.
  • the positive ions are emitted from the emission hole 14b with the discharge electrode 11b.
  • the voltage applied to the discharge electrode is a negative voltage
  • an oxygen molecule or a water molecule in air is ionized, and then an oxygen ion (O 2 -) is generated.
  • the oxygen ion clusters around a water molecule in air, and then a negative ion composed of O 2 -(H 2 O) n (n is an arbitrary natural number) is mainly generated.
  • the negative ions are emitted from the emission hole 14a with the discharge electrode 11a.
  • the positive ion generation part and the negative ion generation part are arranged at the positions mutually opposite to each other relative to the air flow channel 3 and the discharge port 1. Since the ions which are generated by the positive ion generation part and the negative ion generation part respectively and flowed with the air sent from the discharge port 1 can reach the user's hair without being combined and eliminated by the attractive force of ions with reverse polarity, it is possible to arrange both ion generation parts to each other closely.
  • the positive ion generation part and the negative ion generation part are about 20 mm away from the direction which is orthogonal to the delivery direction of air, then the effect of ions can be attained.
  • the positive ion generation part and the negative ion generation part are further arranged closely to the extent of making a contact to each other, it is unavoidable that a part of ions is eliminated by combination, however, the effect is not necessarily lost. It is preferable that the positive ion generation part and the negative ion generation part are arranged such that the positive ions and negative ions are transported by the air sent from the discharge port 1.
  • the air blowing mechanism 4 and the ion generation apparatus 10 are activated.
  • the air blowing mechanism 4 blows air below a wind speed of 15 m/s at the position of an object.
  • the air blowing mechanism 4 sends the air sucked in through the suction port 2 from the discharge port 1.
  • the heating part 5 is in operation.
  • the negative ions and positive ions generated by the ion generation parts 10a, 10b respectively are emitted, individually.
  • the generated ions are emitted to the front through air, which flows through the branch paths 3a, 3b, and then the generated ions flowed with the air stream to be sent from the discharge port 1 are irradiated on the user's hair.
  • the cosmetic apparatus described in Embodiment 1 it is configured such that a moisture retaining operation and a drying operation are selectable. During the moisture retaining operation, the air blowing mechanism 4 and the ion generation apparatus 10 are in operation. In addition, during the drying operation, the air blowing mechanism 4 and the heating part 5 are in operation.
  • the moisture generated by the combination of a positive ion H + (H 2 O) m and a negative ion O 2 -(H 2 O) n and the moisture clustering around the both ions are different from commonly recognized water. Due to the size of molecule level, it is considered that the moisture amount is directly increased with the penetration into the interior regardless of the surface tissue of hair.
  • the ion generation apparatus by discharge can generate various kinds of ions, however, it is preferable to generate less nitrogen oxides in view of the influence on hair.
  • the ion generation apparatus 10 is capable of maintaining operation.
  • the user-friendliness can be enhanced by providing a "drying operation” mode to operate the air blowing mechanism 4, the heating part 5 and the ion generation apparatus 10 and a "moisture retaining operation” mode to operate only the air blowing mechanism 4 and the ion generation apparatus 10.
  • air quantity of the air blowing mechanism 4 can be selected by "strong”, “weak” and “stop”, and it is preferable that "operation” / "stop” of the ion generation apparatus 10 and "operation” / "stop” of the heating part 5 are selectable.
  • configuring the operation switch 6 as a multi-circuit switch or providing switch separately to make on/off on each function means is a well-known matter, therefore, the detailed description is omitted.
  • an ion generation apparatus 10 Since the electrification of hair is changed by seasons and quality of hair, in addition to the Embodiment 1, it is preferable to configure an ion generation apparatus 10 such that the user can change the amount of ion generation.
  • the user-friendliness can be enhanced by making a configuration capable of changing air blowing quantity from the air blowing mechanism 4.
  • the amount of ion generation made by the ion generation apparatus 10 is naturally increased with the increasing air flow passing through the ion generation parts 10a, 10b without changing a voltage applied to the discharge electrodes 11a, 11b.
  • FIG. 7 is a circuit diagram showing an example of configuration of an ion generation apparatus of a cosmetic apparatus as the Embodiment 2 related to the present invention.
  • This ion generation apparatus 10c is an example of adding a switching element conducted by the computer control at the exterior in the configuration of the ion generation apparatus 10 as shown in FIG. 4 .
  • This switching element is an NPN transistor TR, the base is connected to the output terminal of a microcomputer through a resistor R3, and the collector is connected to the cathode of a photodiode D5 in a photo coupler 17 through a resistor R2.
  • a resistor R4 is connected between the base and emitter of the transistor TR, and the negative terminal of a 12V battery 19 is connected to the emitter. The positive terminal of the battery 19 is connected to the anode of the photodiode D5.
  • the photo-receiving side (output side) of the photo coupler 17 is a bidirectional photodiode T, and the bidirectional photodiode T is connected between the other terminal of an AC 100V power supply and the other terminal of a capacitor C1.
  • the switching element TR into the main body circuit of the ion generation apparatus 10c.
  • the number of pulses applied to the ion generation parts 10a, 10b can be changed by storing the switching element TR in the main body of the ion generation apparatus 10c and then switching power to be supplied to the ion generation apparatus 10c on/off at any arbitrary timing through the microcomputer.
  • the amount of ion generation is increased with the increasing number of pulses, and the amount of ion generation is decreased with the decreasing number of pulses. It is common to provide a means for uniformly designating increasing and decreasing amount of ions in the main body of the cosmetic apparatus, that is, a "increasing amount/decreasing amount” switch, “increasing amount” button and “decreasing amount” button for enhancing the user-friendliness.
  • FIG. 8 is an explanatory diagram showing a diagrammatic configuration of a hair dryer for commercial use as an Embodiment 3 of a method and an apparatus for humidifying hair and reducing hair damage related to the present invention.
  • the hair dryer for commercial use is a large-sized hair dryer machine to be used in hair salon and the like that is worn in a manner of covering the user's head entirely, as shown in FIG. 8B .
  • a plurality of openings 207 for sucking in air are arranged and formed in circular shape at the top part of a dome-shaped enclosure 201, and a blower 202 and a heating device 203 are provided at the top part inside the dome-shaped enclosure 201.
  • a hole-opening disc-shaped partition plate 205 for partitioning the space between the blower 202 and the heating device 203 forms a space 206 for accommodating the user's head.
  • a humidification part 208 including a sponge and the like having a water retention function for humidifying air to be sucked in is provided at each opening 207.
  • a plurality of ion generation apparatuses 204 are arranged at the bottom surfaces of the partition plates 205.
  • the ion generation apparatus 204 used herein is a unit-type which is embedded with a high-voltage circuit and includes a positive ion generation part and a negative ion generation part.
  • FIG. 9 is a perspective view showing an example of appearance of the ion generation apparatus 204.
  • the plurality of ion generation apparatuses 204 are arranged in circular shape centered on the opening part at the center of the partition plate 205 ( FIG. 8 ) and supply sufficient amount of ions to the space 206 ( FIG. 8 ).
  • This ion generation apparatus 204 includes a positive ion generation part 204a and a negative ion generation part 204b, and an induction electrode 204c formed with a hole-opening metal plate is arranged such that it is opposite to the positive ion generation part 204a and the negative ion generation part 204b respectively.
  • the positive ion generation part 204a and the negative generation part 204b are discharge electrodes formed in stylus shape respectively, and ions are generated by applying a high voltage between the parts 204a, 204b and the induction electrodes 204c.
  • the necessary function includes a "Warm Air Drying Mode” for heating air to dry hair and a “Cool Air Drying Mode” for drying hair without heating air.
  • blower 202 the heating device 203 and the ion generation apparatus 204 are operated in the "Warm Air Drying Mode".
  • an ion quantity adjusting means for changing the amount of ions as similar in each case of the Embodiments 1 and 2 for adjusting drying conditions differed by the seasons and hair quality.
  • the hair dryer for commercial use is provided with a timer device (not shown) for controlling a drying time and with a temperature setting device (not shown) for controlling the degree of heating, which is a well-known matter, therefore, the detailed description is omitted.
  • a 15cm, 2g black hair bundle was soaked in a 1% polyoxyethylene (POE) sodium lauryl sulfate aqueous solution at 30 to 35°C for 1 minute.
  • POE polyoxyethylene
  • the sample After rinsing the sample with flowing water and wiping off moisture with a towel, the sample was dried by a dryer.
  • the hair was soaked in the mixed solution containing 4.5% hydrogen peroxide and 2.5% ammonia in a ratio of 1:1 for 20 minutes, rinsed with flowing water and wiped off moisture with a towel, the hair was dried by a dryer.
  • Ions with different concentration were irradiated to the hair sample in the room at the temperature of 20 ⁇ 2°C and the humidity of 50 ⁇ 5%.
  • the hair sample was heated at 180 °C for 30 minutes and then the weight was measured.
  • the moisture amount decreased herein was regarded as secondary transpiration moisture.
  • the secondary transpiration moisture amount (secondary transpiration moisture percentage) relative to the drying weight of hair (the weight of hair after being heated at 180 °C for 30 minutes) was evaluated.
  • the hair sample for conducting damage processing was arranged at the position 50 cm away from an ion generation apparatus provided with an ion generating element and a fan for diffusing ions and was irradiated for 8 hours. Since the wind speed at the position of the sample was 0.05 m/s, it was contrasted with natural standing because of the similar condition as no-wind.
  • FIG. 5 illustrates temporal variations in the moisture amount of hair in contact with the air containing positive and negative ions and in the moisture amount of hair in natural standing with the air containing no ions.
  • the hair irradiated with positive and negative ions had a moisture amount of 115.1% as compared with the case prior to performing irradiation, however, the hair irradiated with only wind had a moisture amount of 68.2%.
  • the result of increased moisture amount was obtained as compared with the hair not irradiated with ions.
  • the hair sample for conducting damage processing was arranged at the position 10 cm away from an ion generation apparatus provided with an ion generating element and a fan for diffusing ions and was irradiated for 8 hours. Since the wind speed at the position of the sample was 2.9 m/s, it was contrasted with conducting only blowing with a use of same fan.
  • FIG. 6 illustrates temporal variations in the moisture amount of hair in contact with the air containing positive and negative ions and in the moisture amount of hair in contact with the air containing no ions.
  • the hair irradiated with positive and negative ions had a moisture amount of about 113.2 % as compared with the case prior to performing irradiation, however, the hair irradiated with only wind had a moisture amount of 88.3 %.
  • the result of increased moisture amount was obtained as compared with the hair not irradiated with ions.
  • the hair sample for conducting damage processing was arranged at the position 15 cm away from an ion generation apparatus provided with an ion generating element and a fan for diffusing ions and was irradiated for 20 minutes. Since the wind speed at the position of the sample was 8.4 m/s, it was contrasted with conducting only blowing with a use of the same fan.
  • FIG. 10 illustrates temporal variations in the moisture amount of hair in contact with the air containing positive and negative ions and in the moisture amount of hair in contact with the air containing no ions.
  • the hair irradiated with positive and negative ions had a moisture amount of about 110.4 % as compared with the hair only blown by the air containing no ions.
  • the result of increased moisture amount was obtained as compared with the hair not irradiated with ions.
  • a 60 cm, 5 g black hair bundle was soaked in a 1% polyoxyethylene (POE) sodium lauryl sulfate aqueous solution at 30 to 35 °C for 1 minute.
  • POE polyoxyethylene
  • the sample After rinsing the sample with flowing water and wiping off moisture with a towel, the sample was dried by a dryer.
  • the hair was soaked in the mixed solution containing 4.5% hydrogen peroxide and 2.5% ammonia in a ratio of 1:1 for 20 minutes, rinsed with flowing water and wiped off moisture with a towel, the hair was dried by a dryer.
  • the hair sample for conducting damage processing was arranged at the position 15 cm away from an ion generation apparatus provided with an ion generating element and a fan for diffusing ions in order to achieve the concentration of ions to be irradiated to the hair sample at positive and negative 3,000,000 ions/cm 3 .
  • the hair sample was brushed with the revolution speed of 100 turns per minute and was irradiated with ions through a hot air (about 125° C) for 15 minutes. Since the wind speed at the position of sample was 14 m/s to 15 m/s, it was contrasted with conducting only blowing with a use of the same fan.
  • a hair bundle to which treatment was conducted was observed, and number of pieces of generated split hair and cracked hair was counted.
  • FIG. 11 illustrates the counting result of the damaged hair generated on the hair sample.
  • the graph shown in FIG. 11 illustrates the number of pieces of split hair and cracked hair generated on the hair in contact with the air containing positive and negative ions as well as the hair in contact with the air containing no ions.
  • the number of pieces of split hair or cracked hair on the hair irradiated with positive and negative ions is halved approximately as compared with the hair in contact with the air containing no ions.
  • the hair irradiated with ions attained the effect of suppressing damage as compared with the hair not irradiated with ions.
  • the above-mentioned effect is capable of neutralizing a brush carried with a negative charge and a brush carried with a positive charge to reduce friction during brushing because the method for humidifying hair and reducing hair damage not only provides moisture to hair and enhances hair strength but also generates positive and negative ions.
  • the method and the apparatus for humidifying hair and reducing hair damage related to the present invention are capable of conducting water retention to hair safely and easily along with reducing damage during brushing by applying to a hair dryer for commercial use utilized in a hand dryer and a hair dresser salon without using medicine and steam.
  • the present invention is applicable to the method and the apparatus for humidifying hair and reducing hair damage that are utilized for humidifying hair and reducing hair damage for readily improving humidification of hair and damage of hair using both positive ions and negative ions as well as reducing hair injury such as serious split hair or cracked hair, which easily occurs at the time of drying and styling washed hair.

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  • Cleaning And Drying Hair (AREA)
EP12782876.2A 2011-05-12 2012-04-17 Method for humidifying hair and reducing damage, and device for humidifying hair and reducing damage Not-in-force EP2708153B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011107613 2011-05-12
JP2011173289A JP5066284B1 (ja) 2011-05-12 2011-08-08 毛髪の加湿及び損傷軽減方法並びに毛髪の加湿及び損傷軽減装置
PCT/JP2012/060316 WO2012153605A1 (ja) 2011-05-12 2012-04-17 毛髪の加湿及び損傷軽減方法並びに毛髪の加湿及び損傷軽減装置

Publications (3)

Publication Number Publication Date
EP2708153A1 EP2708153A1 (en) 2014-03-19
EP2708153A4 EP2708153A4 (en) 2014-12-03
EP2708153B1 true EP2708153B1 (en) 2017-07-19

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EP12782876.2A Not-in-force EP2708153B1 (en) 2011-05-12 2012-04-17 Method for humidifying hair and reducing damage, and device for humidifying hair and reducing damage

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US (1) US20140060565A1 (ja)
EP (1) EP2708153B1 (ja)
JP (1) JP5066284B1 (ja)
CN (2) CN105768491A (ja)
ES (1) ES2640250T3 (ja)
WO (1) WO2012153605A1 (ja)

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JP6412301B2 (ja) * 2012-11-26 2018-10-24 シャープ株式会社 保湿装置
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WO2015156017A1 (ja) * 2014-04-10 2015-10-15 シャープ株式会社 美容成分の皮膚への浸透を促進する方法および皮膚浸透促進装置
CN103908055A (zh) * 2014-04-17 2014-07-09 马杰锋 一种带等离子发生器的电吹风
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JP2016209395A (ja) * 2015-05-12 2016-12-15 シャープ株式会社 ヘアケア方法およびこれに用いられるヘアケア装置
CN106555996B (zh) * 2015-09-25 2019-05-31 志勇无限创意有限公司 可扩充功能的吹风装置及其扩充装置与操作方法
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Also Published As

Publication number Publication date
US20140060565A1 (en) 2014-03-06
EP2708153A4 (en) 2014-12-03
ES2640250T3 (es) 2017-11-02
CN103517652B (zh) 2016-05-18
EP2708153A1 (en) 2014-03-19
JP2012250014A (ja) 2012-12-20
CN103517652A (zh) 2014-01-15
WO2012153605A1 (ja) 2012-11-15
CN105768491A (zh) 2016-07-20
JP5066284B1 (ja) 2012-11-07

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