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A hair cosmetic and aerosol technology, applied in cosmetics, cosmetic preparations, hair care, etc., can solve problems such as unsatisfactory styling retention and unclear spraying force, and achieve excellent hair styling and hair styling retention , Excellent fog effect
Inactive Publication Date: 2009-07-01
SHISEIDO CO LTD
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Problems solved by technology
However, the spray strength of the spray is not clear, and the setting retention cannot meet the requirements
Method used
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[0040] The following examples and comparative examples will be given to describe the present invention more specifically. However, the present invention is not limited by these Examples. All compounding quantities are % by mass.
[0041] Prepare a hair spray stock solution according to the formulation shown in [Table 1]. Fill the aerosol can with the stock solution and install the valve. After that, fill with specific liquefied petroleum gas to get hair spray.
[0042] Using this as a sample, the sprayability (spray strength of the spray), mist quality (fineness, uniformity), setting power, setting retention power, and clogging were evaluated according to the following evaluation criteria. The results are shown in [Table 1].
[0043] (1) Jetness (jet strength of spray)
[0044] A panel of 10 panelists sensory-evaluated the spray strength of the spray in the hairspray coating process.
[0045]
[0046] ⊚: The number of panelists who evaluated that the jetting power of t...
Embodiment 5
[0093] [Example 5: Mist hair styling spray]
[0094]
[0095] Polyoxyethylene oleoyl ether (5EO) 0.2
[0096] Dimethicone (6CS) 0.2
[0097] RAM RESIN-4000 20 (actual amount 6)
[0098] Ethanol and the rest (total 100% by mass)
[0099] 40% by mass of the stock solution and 60% by mass of liquefied petroleum gas (0.20 MPa at 20° C.) were filled into an aerosol can by the usual method to obtain a mist-like hair styling spray.
Embodiment 6
[0100] [Example 6: Mist hair styling spray]
[0101]
[0102] Polyoxyethylene oleoyl ether (5EO) 0.2
[0103] Dimethicone (6CS) 0.2
[0104] RAM RESIN-4000 20 (actual amount 6)
[0105] Ethanol and the rest (total 100% by mass)
[0106] 45% by mass of the above stock solution and 55% by mass of liquefied petroleum gas (0.18 MPa at 20° C.) were filled into an aerosol can by the usual method to obtain a mist-like hair setting spray.
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Abstract
An aerosol type cosmetic hair preparation characterized in that a raw ethanol solution containing 0.1-15 mass% N-methacryloyloxyethyl-N,N-dimethylammonium a-N-methylcarboxybetaine/alkyl methacrylate copolymer and an aerosol propellant comprising a liquefied petroleum gas having an initial internal pressure as measured at 20 DEG C of 0.15-0.2 MPa have been packed in such a mixing proportion that the raw ethanol solution/aerosol propellant ratio by mass is in the range of 40/60 to 50/50. Also provided is an aerosol type cosmetic hair preparation characterized in that a raw ethanol solution containing 0.1-15 mass% polyvinylcaprolactam and an aerosol propellant comprising a liquefied petroleum gas having an initial internal pressure as measured at 20 DEG C of 0.15- 0.2 MPa have been packed in such a mixing proportion that the raw ethanol solution/aerosol propellant ratio by mass is in the range of 40/60 to 50/50. Based on the results of a detailed investigation made again on behaviors of hair-spray users, the hair sprays which can be comfortably used are provided.
Description
technical field [0001] The present invention relates to an aerosol type hair cosmetic. More specifically, it relates to a hair set spray that improves usability by moderately adjusting the spraying force to an appropriate force (技い) and solves the accompanying problems. Background technique [0002] Among the market demands for styling agents, hair sprays are important hair cosmetics that have always maintained a certain demand and are not affected by the fashion of hairstyles. [0003] Meanwhile, one of the important factors in the usability of hair sprays is the mist quality (fog quality) of the spray, and various studies have been conducted on this. [0004] For example, Patent Document 1 describes a hair spray in which compressed gas such as carbon dioxide is further added to the liquefied gas of the propellant, and the stock solution and the liquefied gas are filled with a mass ratio of 95 to 5 to 75 to 25. The initial internal pressure is adjusted to 0.2-0.5MPa at 25...
Claims
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Application Information
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