US20200214418A1 - Method for hair straightening and relative device for hair straightening - Google Patents

Method for hair straightening and relative device for hair straightening Download PDF

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Publication number
US20200214418A1
US20200214418A1 US16/628,361 US201816628361A US2020214418A1 US 20200214418 A1 US20200214418 A1 US 20200214418A1 US 201816628361 A US201816628361 A US 201816628361A US 2020214418 A1 US2020214418 A1 US 2020214418A1
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US
United States
Prior art keywords
hair
plate
gas flow
hydrogen
generator
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.)
Abandoned
Application number
US16/628,361
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English (en)
Inventor
Renato GANDINI
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.)
Gandini Carolina
Distretto Tecnologico Sicilia Micro e Nano Sistemi SCARL
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Assigned to Gandini, Carolina reassignment Gandini, Carolina ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: GANDINI, Renato
Publication of US20200214418A1 publication Critical patent/US20200214418A1/en
Abandoned legal-status Critical Current

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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
    • A45D7/00—Processes of waving, straightening or curling hair
    • A45D7/06—Processes of waving, straightening or curling hair combined chemical and thermal
    • 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
    • A45D2/00—Hair-curling or hair-waving appliances ; Appliances for hair dressing treatment not otherwise provided for
    • A45D2/001—Hair straightening appliances
    • 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
    • A45D1/00—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor
    • A45D1/02—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with means for internal heating, e.g. by liquid fuel
    • 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
    • A45D1/00—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor
    • A45D1/06—Curling-tongs, i.e. tongs for use when hot; Curling-irons, i.e. irons for use when hot; Accessories therefor with two or more jaws
    • 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
    • A45D7/00—Processes of waving, straightening or curling hair
    • 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
    • A45D2/00—Hair-curling or hair-waving appliances ; Appliances for hair dressing treatment not otherwise provided for
    • A45D2002/003—Appliances for hair dressing treatment not otherwise provided for
    • 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
    • A45D7/00—Processes of waving, straightening or curling hair
    • A45D2007/002—Processes of dressing hair

Definitions

  • the object of the present invention is a method for hair straightening through exposure to a modified atmosphere and to a variation in temperature, as well as a relative straightening device.
  • the most common straightening method by thermal/mechanical action involves heating the hair during combing, in order to make it smooth, usually with a hair dryer and a brush or with a hair plate.
  • this method has only a temporary effect, lasting from a few hours to a few days, and with a significant deterioration of the hold if the hair is exposed to moisture or other external factors.
  • the known methods for hair straightening therefore involve stress on the hair which weakens the structure and generally worsens the state of health thereof.
  • the consequences of this stress range from the impossibility of repeating the treatment with a high frequency, and in some cases they cause permanent damage to the hair.
  • the object of the present invention is to solve the problems of the prior art taking into account the needs of the field.
  • the object of the present invention is to provide hair straightening by means of a method which does not involve the use of aggressive or damaging chemical compounds for the hair, and ensures a lasting straightening without causing excessive stress on the hair.
  • FIG. 1 shows a summary table of the results of the straightening tests carried out according to the straightening method according to the present invention
  • FIGS. 2 and 3 show an embodiment example of a device for straightening the hair according to the present invention.
  • the method according to the present invention provides for subjecting the hair to a thermal and mechanical action, for example by means of a straightening plate, simultaneously with exposure to a particular gas atmosphere.
  • the straightening method provides for:
  • the plate is heated to a working temperature T of between 200° C. and 250° C., preferably to 230° C.
  • the gas environment around the hair during the passage of the plate is composed of air in which:
  • the method involves applying a pure hydrogen gas flow to the hair through nozzles distributed along the plate or in its vicinity, allowing at its dispersion the proper dilution, and at the same time passing the plate slowly over one lock at a time.
  • the hydrogen flow is supplied with a flow rate between 150 ml/min and 250 ml/min, preferably 200 ml/min.
  • the method involves passing the plate slowly over a lock at a time carrying out at least a total of ten passages on the same lock.
  • the passages can be consecutive, or interspersed with an intermediate treatment step.
  • the method may also include a pre-treatment step in which the hair is moistened with an aqueous solution.
  • the pre-treatment step involves moistening the hair with water, spraying a total of 1.2 ml.
  • the hair is moistened with demineralized water.
  • the hair is moistened with saline water containing 3% sodium chloride.
  • the aqueous solution comprises 0.1% polyglutamic acid. This solution allows improving the structure and the shine of the hair.
  • the method can also provide a pre-treatment step in which the hair is combed with a brush (set treatment).
  • the method can also provide a pre-treatment step in which the hair is washed with shampoo and dried with a hair dryer.
  • the method can also provide an intermediate treatment step, provided between the straightening passages, in which the hair is moistened with an aqueous solution. It is important that this step does not leave residues of runny water.
  • the method also includes a post-treatment step, in which the hair is washed with shampoo, even more than once.
  • FIG. 1 shows a summary table of the results of the tests carried out on the hair straightening method according to the present invention, in the various application variants thereof, to evaluate the effectiveness and duration thereof also according to the different type of hair subjected to the treatment.
  • the locks are classified according to the type: African; Very frizzy; Soft curly; Frizzy curly; Frizzy and wavy.
  • a standard treatment protocol is defined in which the hair is moistened (sprayed with water for a total of 1.2 ml), the plate is heated to a temperature of 230° C., and the hydrogen flow is made to escape from the center of the plate (flow rate of 200 ml/min).
  • 5P Initial hair treatment moistened with 5 plate passages; intermediate stage in which the hair is moistened again and treated with another 5 plate passages;
  • 10P Digital hair treatment with 10 plate passages; intermediate treatment in which the hair is washed with cold water, dried with a hair dryer and treated with another 10 plate passages; post-treatment in which the hair is washed with 2 shampoos;
  • 1T pre-treatment in which the hair is washed with a shampoo and dried with a hair dryer; treatment with 5 plate passages; intermediate treatment in which the hair is moistened (without running water) and treated with another 7 plate passages;
  • 1TBIS pre-treatment in which the hair is washed with a shampoo and dried with a hair dryer; treatment with 5 plate passages; intermediate treatment in which the hair is moistened (without running water) and treated with another 7 plate passages; post-treatment in which the hair is washed with 2 shampoos.
  • a plate temperature of 160° is considered insufficient to obtain a sufficient result; the plate must therefore have a temperature of at least 200° C., preferably of 230° C.
  • test 3P (performed as a reference sample for sufficiency, by a known chemical straightening treatment)
  • the tests relating to the method according to the present invention all lead to a better straightening result, with the sole exception of test 4P performed on bleached hair.
  • FIGS. 2 and 3 an embodiment example of a straightening device for applying the hair-straightening method according to the present invention, i.e. through exposure to a gas flow and to temperature variations, is generally indicated.
  • the device 1 comprises a gas flow generator 10 connected, through a conduit 14 , to a dispensing plate 20 heated to a working temperature T.
  • the gas flow generator 10 comprises a hydrogen generator 11 .
  • the hydrogen generator 11 is a hydrolyser.
  • the electrochemical method for hydrogen production uses electrolysis which separates hydrogen and oxygen from water.
  • the electricity applied in the system breaks the chemical bonds between the two atoms that make up a water molecule; the two gases that form hydrogen and oxygen migrate, the first one towards a cathode and the second one towards an anode.
  • the hydrogen generator 11 is a proton exchange membrane (PEM). It is a hydrolysis cell with a polymer membrane, in which the production of hydrogen takes place simply using only distilled water without using corrosive solution.
  • PEM proton exchange membrane
  • the hydrogen generator 11 is at least one hydride cylinder.
  • the gas in the medium-low pressure anhydrous hydrogen cylinder, the gas is present in a compound based on metal hydrides (canister) previously loaded by a suitable device.
  • metal hydrides canister
  • These cylinders have the advantage of storing hydrogen at low pressure and can be refilled.
  • the advantage of this implementation is the total safety and independence from corrosive liquids and compounds in free gaseous form.
  • the gas flow generator 10 further comprises, connected to the hydrogen generator 11 , an enrichment device 12 for enriching the gas flow with vapor from liquid, e.g. steam.
  • the enricher 12 is a bubbler.
  • the enricher 12 is an ultrasonic wet mist generator in the presence or absence of heating of the mixture.
  • the gas flow generator 10 further comprises pumping means 13 adapted to push the gas flow, through the conduit 14 , towards the dispensing plate 20 .
  • the gas flow generator 10 further comprises means for regulating the gas flow (not shown).
  • the dispensing plate 20 (shown in detail in FIG. 3 ) is heated to a working temperature T by means of heating means 21 .
  • the dispensing plate 20 comprises a front straightening portion 22 , which houses a pair of heating elements 21 , and a rear handle portion 23 which allows an easy manual use of the dispensing plate 20 .
  • the front straightening portion 22 further comprises dispensing means 24 for the gas flow, connected to the conduit 14 .
  • the dispensing means 24 are adapted to dispense the gas flow precisely at the heating elements, to allow the correct execution of the method according to the present invention, which provides for applying a gas flow to the hair while simultaneously passing the plate (straightening) on the locks.
  • the straightening method according to the present invention allows obtaining excellent levels of hair straightening without the use of aggressive chemical compounds or harmful for the hair.
  • the straightening method according to the present invention ensures a lasting straightening without causing excessive stress on the hair.

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Cosmetics (AREA)
  • Hair Curling (AREA)
US16/628,361 2017-07-03 2018-06-27 Method for hair straightening and relative device for hair straightening Abandoned US20200214418A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT102017000074024A IT201700074024A1 (it) 2017-07-03 2017-07-03 Metodo di stiratura del capello e relativo dispositivo di stiratura
IT102017000074024 2017-07-03
PCT/IB2018/054755 WO2019008475A1 (en) 2017-07-03 2018-06-27 HAIR-SMOOTHING METHOD AND ASSOCIATED HAIR-SMOOTHING DEVICE

Publications (1)

Publication Number Publication Date
US20200214418A1 true US20200214418A1 (en) 2020-07-09

Family

ID=60294270

Family Applications (1)

Application Number Title Priority Date Filing Date
US16/628,361 Abandoned US20200214418A1 (en) 2017-07-03 2018-06-27 Method for hair straightening and relative device for hair straightening

Country Status (7)

Country Link
US (1) US20200214418A1 (it)
EP (1) EP3648630B1 (it)
BR (1) BR112020000052A2 (it)
ES (1) ES2874801T3 (it)
IT (1) IT201700074024A1 (it)
WO (1) WO2019008475A1 (it)
ZA (1) ZA201908472B (it)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5584307A (en) * 1993-12-22 1996-12-17 L'oreal Assembly intended for operating on hair using vapour
US20100206321A1 (en) * 2007-08-29 2010-08-19 Kikuboshi Corporation Device and method for styling hair
US20130152959A1 (en) * 2010-05-11 2013-06-20 L'oreal Hair treatment method
US8596285B1 (en) * 2011-03-24 2013-12-03 Ram Ramaprasad Electrolytic system and method for reshaping hair
US20150128983A1 (en) * 2012-06-07 2015-05-14 L'oreal Hair shaping process using fatty substances, non-silicone polymers or surfactants
JP2017086869A (ja) * 2015-11-04 2017-05-25 永井 陽子 水素供給システム

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150320171A1 (en) * 2013-01-11 2015-11-12 Daniel Moyal Hair Straightening With Vapors

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5584307A (en) * 1993-12-22 1996-12-17 L'oreal Assembly intended for operating on hair using vapour
US20100206321A1 (en) * 2007-08-29 2010-08-19 Kikuboshi Corporation Device and method for styling hair
US20130152959A1 (en) * 2010-05-11 2013-06-20 L'oreal Hair treatment method
US8596285B1 (en) * 2011-03-24 2013-12-03 Ram Ramaprasad Electrolytic system and method for reshaping hair
US20150128983A1 (en) * 2012-06-07 2015-05-14 L'oreal Hair shaping process using fatty substances, non-silicone polymers or surfactants
JP2017086869A (ja) * 2015-11-04 2017-05-25 永井 陽子 水素供給システム

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP2017086869A (Year: 2017) *

Also Published As

Publication number Publication date
IT201700074024A1 (it) 2019-01-03
ES2874801T3 (es) 2021-11-05
WO2019008475A1 (en) 2019-01-10
BR112020000052A2 (pt) 2020-07-14
EP3648630B1 (en) 2021-05-19
ZA201908472B (en) 2022-01-26
EP3648630A1 (en) 2020-05-13

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