JP2021039070A - Evaluation method by instrumental measurement for sensory evaluation of cleansing sheet - Google Patents
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- 238000011156 evaluation Methods 0.000 title claims abstract description 76
- 230000001953 sensory effect Effects 0.000 title abstract description 32
- 238000005259 measurement Methods 0.000 title abstract description 6
- 210000003205 muscle Anatomy 0.000 claims abstract description 116
- 230000000694 effects Effects 0.000 claims abstract description 79
- 210000001364 upper extremity Anatomy 0.000 claims abstract description 45
- 238000000034 method Methods 0.000 claims description 9
- 239000012141 concentrate Substances 0.000 abstract description 2
- 230000003340 mental effect Effects 0.000 abstract 1
- 210000000852 deltoid muscle Anatomy 0.000 description 12
- 238000000611 regression analysis Methods 0.000 description 12
- 239000002537 cosmetic Substances 0.000 description 10
- 239000006210 lotion Substances 0.000 description 3
- 239000004745 nonwoven fabric Substances 0.000 description 3
- 239000004094 surface-active agent Substances 0.000 description 3
- 239000004744 fabric Substances 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 239000002552 dosage form Substances 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 235000019629 palatability Nutrition 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
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Abstract
Description
本発明は、クレンジングシートの官能評価の機器測定による評価方法に関する。 The present invention relates to an evaluation method for sensory evaluation of a cleansing sheet by instrumental measurement.
クレンジング化粧料はメイクアップ化粧料（以下メイク）などの汚れを落とすための化粧料を指し、メイクを落とすことでメイク汚れが残留することによる肌トラブルを回避する効果も期待されている。クレンジング化粧料は主に界面活性剤により、メイクなどの汚れを分散もしくは乳化し洗浄する界面活性剤型と、油分を主成分とすることで汚れを溶解させ、洗い流す溶剤型に大別される。また、界面活性剤、油性成分、加えて水溶性成分や増粘剤の割合を変えることで、オイル、クリーム・ペースト状、乳液状、ジェル状など様々な剤型のクレンジング化粧料が販売されている。近年では界面活性剤型のクレンジング液をシートに浸漬させ、水による洗い流しを必要とせずどこでもメイクを落とせる簡便さからクレンジングシートの需要も高まっている。クレンジングシートはメイクの落としやすさに加え、シートの触感などの使用感の良さも商品選択のポイントとなる。
一方、化粧品の機能性の評価は官能評価が主であり、手段としてアンケートを用いることが一般的である。しかし、官能評価は個人による差が大きいため、定量性と客観性が課題となる。特にクレンジング化粧料については主たる機能が洗浄性であるため、洗浄性以外の機能性について評価はあまりされてきていない。
メイク落としの動作を行う際に、上肢の筋肉を使用する。上肢の筋活動量は表面筋電図計で測定することができる。上肢の筋活動量はメイク落としの官能評価に影響する一要素と考えられる。
クレンジングシートでメイクを落とす際の摩擦抵抗は中央周波数値で評価することができる。その中央周波数値もメイク落としの官能評価に影響する一要素と考えられる。
動的粘弾性測定装置を用いて、クレンジング化粧料のメイク馴染みを評価する方法が知られている（特許文献１）。
化粧料が塗布された皮膚を評価対象部位として用い、該評価対象部位に、変形または力を加え、そのときの力学応答特性で化粧料を評価する方法が知られている（特許文献２）。
化粧水の粘度、平均摩擦係数、平均摩擦係数の変動、塗布後の経表皮水分蒸散量を指標とする化粧水の嗜好性の評価方法が知られている（特許文献３）。
剥離力及び残存率により、皮膚外用剤のぬり心地を評価する方法が知られている（特許文献４）。
Cleansing cosmetics refer to cosmetics for removing stains such as make-up cosmetics (hereinafter referred to as makeup), and are expected to have the effect of avoiding skin troubles caused by residual makeup stains by removing makeup. Cleansing cosmetics are roughly classified into a surfactant type in which stains such as makeup are dispersed or emulsified and washed with a surfactant, and a solvent type in which stains are dissolved and washed away by using oil as a main component. In addition, by changing the ratio of surfactants, oily ingredients, water-soluble ingredients and thickeners, various dosage form cleansing cosmetics such as oil, cream paste, milky lotion, and gel are sold. There is. In recent years, there has been an increasing demand for cleansing sheets because it is easy to immerse a surfactant-type cleansing liquid in a sheet and remove makeup anywhere without the need for rinsing with water. In addition to the ease of removing makeup from the cleansing sheet, the ease of use such as the feel of the sheet is also a key point in product selection.
On the other hand, the evaluation of the functionality of cosmetics is mainly sensory evaluation, and it is common to use a questionnaire as a means. However, since sensory evaluation varies greatly from individual to individual, quantitativeness and objectivity become issues. In particular, since the main function of cleansing cosmetics is detergency, functionality other than detergency has not been evaluated very much.
Use the muscles of the upper limbs when performing the make-up remover action. The amount of muscle activity in the upper limbs can be measured with a surface electromyogram. The amount of muscle activity in the upper limbs is considered to be one factor that affects the sensory evaluation of makeup remover.
The frictional resistance when removing makeup with a cleansing sheet can be evaluated by the center frequency value. The center frequency value is also considered to be one factor that affects the sensory evaluation of makeup remover.
A method of evaluating the make-up familiarity of a cleansing cosmetic using a dynamic viscoelasticity measuring device is known (Patent Document 1).
A method is known in which skin to which a cosmetic is applied is used as an evaluation target site, deformation or force is applied to the evaluation target site, and the cosmetic is evaluated based on the mechanical response characteristics at that time (Patent Document 2).
A method for evaluating the palatability of a lotion is known, using the viscosity of the lotion, the average friction coefficient, the fluctuation of the average friction coefficient, and the amount of transepidermal water evaporation after application as indicators (Patent Document 3).
A method for evaluating the wettability of an external preparation for skin based on the peeling force and the residual rate is known (Patent Document 4).
クレンジングシートの機能性を官能評価で評価することが一般的であるが、専門パネラーといえども、その判定に際しては、評価事例の記憶に頼りながら、集中して思考することが必要であり、精神的ストレスが生じ、数多くの検体を正確に評価することは必ずしも容易ではないという問題があった。
そこで、評価者の官能評価に代わる、官能評価の機器測定による評価方法を提供することである。
It is common to evaluate the functionality of a cleansing sheet by sensory evaluation, but even specialized panelists need to concentrate on thinking while relying on the memory of evaluation cases when making that judgment. There was a problem that it was not always easy to accurately evaluate a large number of samples due to physical stress.
Therefore, it is an object of the present invention to provide an evaluation method by instrumental measurement of sensory evaluation instead of the sensory evaluation of the evaluator.
本発明の主な構成は、次のとおりである。
１．クレンジングシートで顔面をクレンジングする際の上肢の筋活動量とクレンジングシートで顔面をクレンジングする際の振動計の中央周波数値を説明変数とする重回帰式による、クレンジングシートで顔面をクレンジングする際の使用感とメイクの落とし易さの総合評価方法。
２．クレンジングシートで顔面をクレンジングする際の上肢の筋活動量に基づく、クレンジングシートで顔面をクレンジングする際の使用感とメイクの落とし易さの総合評価方法。
３．クレンジングシートで顔面をクレンジングする際の振動計の中央周波数値に基づく、クレンジングシートで顔面をクレンジングする際の使用感とメイクの落とし易さの総合評価方法。
４．クレンジングシートで顔面をクレンジングする際の上肢の筋活動量に基づく、クレンジングシートで顔面をクレンジングする際の使用感の評価方法。
５．クレンジングシートで顔面をクレンジングする際の上肢の筋活動量に基づく、クレンジングシートで顔面をクレンジングする際のメイクの落とし易さの評価方法。
６．クレンジングシートで顔面をクレンジングする際の振動計の中央周波数値に基づく、クレンジングシートで顔面をクレンジングする際のメイクの落とし易さの評価方法。
７．クレンジングシートで顔面をクレンジングする際の上肢の筋活動量とクレンジングシートで顔面をクレンジングする際の振動計の中央周波数値を説明変数とする重回帰式による、クレンジングシートで顔面をクレンジングする際のメイクの落とし易さの評価方法。
The main configuration of the present invention is as follows.
1. 1. Use when cleansing the face with a cleansing sheet by a multiple regression equation using the muscle activity of the upper limbs when cleansing the face with the cleansing sheet and the central frequency value of the vibrometer when cleansing the face with the cleansing sheet as explanatory variables. A comprehensive evaluation method for feeling and ease of removing makeup.
2. A comprehensive evaluation method of usability and ease of removing makeup when cleansing the face with a cleansing sheet, based on the amount of muscle activity of the upper limbs when cleansing the face with a cleansing sheet.
3. 3. A comprehensive evaluation method for usability and ease of removing makeup when cleansing the face with a cleansing sheet, based on the center frequency value of the vibrometer when cleansing the face with a cleansing sheet.
4. A method for evaluating the feeling of use when cleansing the face with a cleansing sheet, based on the amount of muscle activity of the upper limbs when cleansing the face with a cleansing sheet.
5. A method for evaluating the ease of removing makeup when cleansing the face with a cleansing sheet, based on the amount of muscle activity of the upper limbs when cleansing the face with a cleansing sheet.
6. An evaluation method for how easy it is to remove makeup when cleansing the face with a cleansing sheet, based on the center frequency value of the vibrometer when cleansing the face with a cleansing sheet.
7. Makeup when cleansing the face with the cleansing sheet by the multiple regression equation using the muscle activity of the upper limbs when cleansing the face with the cleansing sheet and the central frequency value of the vibrometer when cleansing the face with the cleansing sheet as explanatory variables How to evaluate the ease of dropping.
クレンジングシートの官能評価による使用感とメイクの落とし易さの総合評価を、上肢の筋活動量もしくは指に装着した振動計で測定した中央周波数値に基づいて、客観的に評価することができた。さらに、クレンジングシートの官能評価による総合評価を、上肢の筋活動量及び指に装着した振動計で測定した中央周波数値を説明変数として重回帰分析することにより、さらに精度良く、客観的に評価することができた。すなわち、クレンジングシートで顔面をクレンジングする際の上肢の筋活動量もしくは指に装着した振動計で測定した中央周波数値によって、官能評価と同等に、使用感とメイクの落とし易さの総合評価をすることができる。
クレンジングシートの官能評価によるメイクの落とし易さの評価を、上肢の筋活動量もしくは指に装着した振動計で測定した中央周波数値に基づいて、客観的に評価することができた。さらに、クレンジングシートの官能評価によるメイクの落とし易さの評価を、上肢の筋活動量及び指に装着した振動計で測定した中央周波数値を説明変数として重回帰分析することにより、さらに精度良く、客観的に評価することができた。すなわち、クレンジングシートで顔面をクレンジングする際の上肢の筋活動量もしくは指に装着した振動計で測定した中央周波数値によって、官能評価と同等に、クレンジングシートのメイクの落とし易さを評価することができる。
クレンジングシートの官能評価による使用感の評価を、上肢の筋活動量に基づいて、客観的に評価することができた。すなわち、クレンジングシートで顔面をクレンジングする際の上肢の筋活動量によって、官能評価と同等に、クレンジングシートの使用感を評価することができる。
We were able to objectively evaluate the overall evaluation of usability and ease of removing makeup by sensory evaluation of the cleansing sheet, based on the amount of muscle activity in the upper limbs or the central frequency value measured by a vibrometer attached to the finger. .. Furthermore, the comprehensive evaluation by sensory evaluation of the cleansing sheet is evaluated more accurately and objectively by multiple regression analysis using the muscle activity of the upper limbs and the central frequency value measured by the vibrometer attached to the finger as explanatory variables. I was able to. That is, the feeling of use and the ease of removing makeup are comprehensively evaluated by the amount of muscle activity of the upper limbs when cleansing the face with a cleansing sheet or the central frequency value measured by a vibrometer attached to the finger, as in the sensory evaluation. be able to.
The evaluation of the ease of removing makeup by the sensory evaluation of the cleansing sheet could be objectively evaluated based on the muscle activity of the upper limbs or the central frequency value measured by the vibrometer attached to the finger. Furthermore, the evaluation of the ease of removing makeup by the sensory evaluation of the cleansing sheet is performed more accurately by multiple regression analysis using the muscle activity of the upper limbs and the median frequency value measured by the vibrometer attached to the finger as explanatory variables. I was able to evaluate it objectively. That is, it is possible to evaluate the ease of removing makeup from the cleansing sheet by the amount of muscle activity of the upper limbs when cleansing the face with the cleansing sheet or the median frequency value measured by the vibrometer attached to the finger, in the same way as the sensory evaluation. it can.
The evaluation of usability by the sensory evaluation of the cleansing sheet could be objectively evaluated based on the amount of muscle activity of the upper limbs. That is, the feeling of use of the cleansing sheet can be evaluated in the same manner as the sensory evaluation based on the amount of muscle activity of the upper limbs when cleansing the face with the cleansing sheet.
クレンジングシートの官能評価に関して、クレンジングシートの重要評価項目である使用感とメイクの落とし易さを選定した。使用感は、クレンジングシートの使いやすさ、使い心地を評価する項目であり、嗜好性を反映する重要評価項目である。メイクの落とし易さは、クレンジングシートの使用目的であるメイク落としがし易いかどうかを評価する項目であり、機能性を反映する重要評価項目である。
クレンジングシートによるメイク落としの操作は、上肢の筋肉の活動を必要とすることから、上肢の筋活動量を測定し、使用感やメイクの落とし易さの官能評価に対応するか調べた。
また、メイク落としの操作において、クレンジングシートと皮膚との摩擦の影響が使用感やメイクの落とし易さに影響すると考え、摩擦に関連する指標である中央周波数値を測定し、使用感やメイクの落とし易さの官能評価に対応するか調べた。
さらに、官能評価について、使用感やメイクの落とし易さの総合評価を行い、上肢の筋活動量や中央周波数値が対応するか調べた。
Regarding the sensory evaluation of the cleansing sheet, we selected the important evaluation items of the cleansing sheet, such as usability and ease of removing makeup. Usability is an item for evaluating the ease of use and usability of the cleansing sheet, and is an important evaluation item that reflects the taste. The ease of removing makeup is an item for evaluating whether or not it is easy to remove makeup, which is the purpose of using the cleansing sheet, and is an important evaluation item that reflects functionality.
Since the operation of removing makeup with a cleansing sheet requires the activity of the muscles of the upper limbs, the amount of muscle activity of the upper limbs was measured to investigate whether it corresponds to the sensory evaluation of usability and ease of removing makeup.
In addition, in the makeup remover operation, it is considered that the influence of friction between the cleansing sheet and the skin affects the feeling of use and the ease of removing makeup, and the median frequency value, which is an index related to friction, is measured to improve the feeling of use and makeup. We investigated whether it corresponds to the sensory evaluation of ease of dropping.
Furthermore, regarding the sensory evaluation, a comprehensive evaluation of usability and ease of removing makeup was performed, and it was investigated whether the muscle activity of the upper limbs and the center frequency value corresponded.
その結果、クレンジングシートの使用感と上肢筋の筋活動量に有意な相関が認められた。クレンジングシートの使用感と上肢筋の筋活動量の回帰直線を求めておけば、クレンジングシートを使用する際の筋活動量を測定することにより、クレンジングシートの使用感を推定できる。上肢筋の筋活動量としては、手指屈筋群の筋活動量、上腕二頭筋の筋活動量、三角筋前部の筋活動量、三角筋後部の筋活動量、手指伸筋群の筋活動量を用いることができる。 As a result, a significant correlation was found between the feeling of use of the cleansing sheet and the amount of muscle activity of the upper limb muscles. If the regression line between the feeling of use of the cleansing sheet and the amount of muscle activity of the upper limb muscles is obtained, the feeling of use of the cleansing sheet can be estimated by measuring the amount of muscle activity when using the cleansing sheet. The muscle activity of the upper limb muscles includes the muscle activity of the flexor muscles of the fingers, the biceps brachii, the anterior deltoid muscles, the posterior deltoid muscles, and the extensor muscles of the fingers. Quantity can be used.
また、メイクの落とし易さと上肢筋の筋活動量または人差し指に装着した振動計で計測した中央周波数値に有意な相関が認められた。クレンジングシートを使用する際のメイクの落とし易さと上肢筋の筋活動量または振動計で計測した中央周波数値の回帰直線を求めておけば、クレンジングシートを使用する際の筋活動量または振動計で計測する中央周波数値を測定することにより、クレンジングシートを使用する際のメイクの落とし易さを推定できる。さらに、クレンジングシートを使用する際のメイクの落とし易さに対して、上肢筋の筋活動量と振動計で計測した中央周波数値を説明変数とする重回帰直線を求めておけば、クレンジングシートを使用する際の筋活動量と振動計で計測する中央周波数値を測定することにより、クレンジングシートを使用する際のメイクの落とし易さをより高い精度で推定できる。上肢筋の筋活動量としては、手指屈筋群の筋活動量、上腕二頭筋の筋活動量、三角筋前部の筋活動量を用いることが好ましい。 In addition, a significant correlation was found between the ease of removing makeup and the amount of muscle activity of the upper limb muscles or the center frequency value measured by a vibrometer attached to the index finger. If you find the ease of removing makeup when using a cleansing sheet and the regression line of the muscle activity of the upper limb muscles or the median frequency value measured with a vibrometer, you can use the muscle activity or vibrometer when using a cleansing sheet. By measuring the measured central frequency value, it is possible to estimate the ease of removing makeup when using a cleansing sheet. Furthermore, for the ease of removing makeup when using a cleansing sheet, if a multiple regression line with the muscle activity of the upper limb muscles and the median frequency value measured by a vibrometer as explanatory variables is obtained, the cleansing sheet can be used. By measuring the amount of muscle activity during use and the median frequency value measured by a vibrometer, it is possible to estimate the ease of removing makeup when using a cleansing sheet with higher accuracy. As the muscle activity of the upper limb muscle, it is preferable to use the muscle activity of the finger flexor muscle group, the muscle activity of the biceps brachii muscle, and the muscle activity of the anterior deltoid muscle.
また、クレンジングシートの使用感とメイクの落とし易さに基づく総合評価と上肢筋の筋活動量または人差し指に装着した振動計で計測した中央周波数値に有意な相関が認められた。クレンジングシートの使用感とメイクの落とし易さに基づく総合評価と上肢筋の筋活動量または振動計で計測した中央周波数値の回帰直線を求めておけば、クレンジングシートを使用する際の筋活動量または振動計で計測する中央周波数値を測定することにより、クレンジングシートの使用感とメイクの落とし易さに基づく総合評価を推定できる。さらに、クレンジングシートの使用感とメイクの落とし易さに基づく総合評価に対して、上肢筋の筋活動量と振動計で計測した中央周波数値を説明変数とする重回帰直線を求めておけば、クレンジングシートを使用する際の筋活動量と振動計で計測する中央周波数値を測定することにより、クレンジングシートの使用感とメイクの落とし易さに基づく総合評価をより高い精度で推定できる。上肢筋の筋活動量としては、手指屈筋群の筋活動量、上腕二頭筋の筋活動量、三角筋前部の筋活動量を用いることが好ましい。 In addition, a significant correlation was found between the comprehensive evaluation based on the feeling of use of the cleansing sheet and the ease of removing makeup, and the amount of muscle activity of the upper limb muscles or the center frequency value measured by the vibrometer attached to the index finger. If you obtain a comprehensive evaluation based on the feeling of use of the cleansing sheet and the ease of removing makeup, and the regression line of the muscle activity of the upper limb muscles or the median frequency value measured by the vibrometer, the amount of muscle activity when using the cleansing sheet. Alternatively, by measuring the central frequency value measured by a vibrometer, it is possible to estimate a comprehensive evaluation based on the usability of the cleansing sheet and the ease of removing makeup. Furthermore, for a comprehensive evaluation based on the feeling of use of the cleansing sheet and the ease of removing makeup, if a multiple regression line is obtained using the muscle activity of the upper limb muscles and the median frequency value measured by the vibrometer as explanatory variables. By measuring the amount of muscle activity when using the cleansing sheet and the median frequency value measured by the vibrometer, it is possible to estimate the comprehensive evaluation based on the feeling of use of the cleansing sheet and the ease of removing makeup with higher accuracy. As the muscle activity of the upper limb muscle, it is preferable to use the muscle activity of the finger flexor muscle group, the muscle activity of the biceps brachii muscle, and the muscle activity of the anterior deltoid muscle.
（１）クレンジングシートの作成
素材と目付の異なる４種の不織布を、同じクレンジング溶液（４ｍｌ／枚）に浸し、ふき取りクレンジングシートを作成した。不織布の概要は表１に示した。目付とは面積に対する布の重さを示し、数字が大きいほど重くしっかりした布である。
不織布の概要
(1) Preparation of cleansing sheet Four kinds of non-woven fabrics having different basis weights were dipped in the same cleansing solution (4 ml / sheet) to prepare a wiping cleansing sheet. The outline of the non-woven fabric is shown in Table 1. The basis weight indicates the weight of the cloth with respect to the area, and the larger the number, the heavier and firmer the cloth.
Overview of non-woven fabric
（２）メイク落とし時の筋活動量、摩擦抵抗の測定方法
対象：２０〜４０代（平均３３歳）の健常女性７名。
はじめに被験者の上肢の筋（ａ手指屈筋群、ｂ上腕二頭筋、ｃ三角筋前部、ｄ三角筋後部、ｅ手指伸筋群）に表面電極を貼付した。筋電計測は8チャンネル（Ｓ＆ＭＥ社製）を用い、サンプリング周波数は１，０００Ｈｚで行った。
被験者の右頬にアイライナー１０ｍｇを塗布し１分間ドライヤーで乾燥させた。各クレンジングシートで右頬のアイライナーを落とす作業を行い、その際の上肢の筋（ａ〜ｅ）の筋活動量を解析ソフト（ＴＲＩＡＳＩＩ（ＤＫＨ社製）を用いて解析し、筋活動量（二乗平均平方根）を求めた。
また、予め被験者の示指（人差し指）に振動計（ゆびレコーダー（テック技販社製））を装着した。振動測定のサンプリング周波数は１，０００Ｈｚとした。解析ソフトはＴＲＩＡＳＩＩを用い、各サンプル使用時の中央周波数値（振動周波数のパワースペクトルの中央値）を求めた。
(2) Measurement method of muscle activity and frictional resistance when removing makeup Target: 7 healthy women in their 20s to 40s (average 33 years old).
First, surface electrodes were attached to the muscles of the upper limbs of the subject (a finger flexor muscle group, b biceps brachii muscle, c anterior deltoid muscle, d posterior deltoid muscle, e finger extensor muscle group). EMG measurement was performed using 8 channels (manufactured by S & ME) and a sampling frequency of 1,000 Hz.
10 mg of eyeliner was applied to the right cheek of the subject and dried with a dryer for 1 minute. Each cleansing sheet is used to remove the eyeliner on the right cheek, and the muscle activity of the upper limb muscles (a to e) at that time is analyzed using analysis software (TRIASII (manufactured by DKH)). The root mean square) was calculated.
In addition, a vibrometer (Yubi Recorder (manufactured by Tech Gihan Co., Ltd.)) was attached to the index finger (index finger) of the subject in advance. The sampling frequency for vibration measurement was 1,000 Hz. The analysis software used TRIASII to obtain the median frequency value (median value of the power spectrum of the vibration frequency) when each sample was used.
（３）官能評価
各サンプル使用後、ＶＡＳ法を用いて３項目（クレンジングシートの使用感、メイクの落としやすさ、クレンジングシートシートの総合評価）を評価した。
評価基準は、長さ１０ｃｍの線の左端を悪い、右端を良いとした。
(3) Sensory evaluation After using each sample, three items (feeling of cleansing sheet, ease of removing makeup, comprehensive evaluation of cleansing sheet) were evaluated using the VAS method.
The evaluation criteria were that the left end of the 10 cm long line was bad and the right end was good.
（４）結果
（４−１）クレンジングシートの使用感（Ｙａ）と上肢筋の筋活動量（Ｘａ〜ｅ）の相関性
クレンジングシートの使用感の官能評価（Ｙａ）とａ手指屈筋群の筋活動量（Ｘａ）、ｂ上腕二頭筋の筋活動量（Ｘｂ）、ｃ三角筋前部の筋活動量（Ｘｃ）、ｄ三角筋後部の筋活動量（Ｘｄ）、ｅ手指伸筋群の筋活動量（Ｘｅ）に有意な相関が認められた。
(4) Result
(4-1) Correlation between the feeling of use of the cleansing sheet (Ya) and the amount of muscle activity of the upper limb muscles (Xa to e) Sensory evaluation of the feeling of use of the cleansing sheet (Ya) and the amount of muscle activity of the a finger flexor muscle group (Xa) ), B Biceps muscle activity (Xb), c Deltoid anterior muscle activity (Xc), d Deltoid posterior muscle activity (Xd), e Finger extensor muscle activity (Xd) A significant correlation was found in Xe).
ＹａとＸａの相関係数：０．５６
ｐ値＜０．０１
回帰直線 Ｙａ＝４０５Ｘａ ＋ ４．７８
グラフ 図１
Correlation coefficient between Ya and Xa: 0.56
p-value <0.01
Regression line Ya = 405Xa + 4.78
Graph Figure 1
ＹａとＸｂの相関係数：０．６７
ｐ値＜０．０１
回帰直線 Ｙａ＝５０７Ｘｂ ＋ ３．９６
グラフ 図２
Correlation coefficient between Ya and Xb: 0.67
p-value <0.01
Regression line Ya = 507Xb + 3.96
Graph Figure 2
ＹａとＸｃの相関係数：０．５０
ｐ値＜０．０１
回帰直線 Ｙａ＝３１６Ｘｃ ＋ ４．８２
グラフ 図３
Correlation coefficient between Ya and Xc: 0.50
p-value <0.01
Regression line Ya = 316Xc + 4.82
Graph Figure 3
ＹａとＸｄの相関係数：０．５５
ｐ値＜０．０１
回帰直線 Ｙａ＝２０１５Ｘｄ ＋ ４．４７
グラフ 図４
Correlation coefficient between Ya and Xd: 0.55
p-value <0.01
Regression line Ya = 2015Xd + 4.47
Graph Figure 4
ＹａとＸｅの相関係数：０．５１
ｐ値＜０．０１
回帰直線 Ｙａ＝４７９Ｘｅ ＋ ４．６９
グラフ 図５
Correlation coefficient between Ya and Xe: 0.51
p-value <0.01
Regression line Ya = 479Xe + 4.69
Graph Figure 5
（４−２）メイクの落とし易さ（Ｙｂ）と上肢筋の筋活動量（Ｘａ〜ｃ）の相関性
メイクの落とし易さの官能評価（Ｙｂ）とａ手指屈筋群の筋活動量（Ｘａ）、ｂ上腕二頭筋の筋活動量（Ｘｂ）、ｃ三角筋前部の筋活動量（Ｘｃ）に有意な相関が認められた。
(4-2) Correlation between ease of removing makeup (Yb) and muscle activity of upper limb muscles (Xa to c) Sensory evaluation of ease of removing makeup (Yb) and a muscle activity of finger flexor muscles (Xa) ), B The muscle activity of the biceps brachii (Xb), and the muscle activity of the anterior deltoid muscle (Xc) were significantly correlated.
ＹｂとＸａの相関係数：０．５０
ｐ値＜０．０１
回帰直線 Ｙｂ＝４５４Ｘａ ＋ ４．１３
グラフ 図６
Correlation coefficient between Yb and Xa: 0.50
p-value <0.01
Regression line Yb = 454Xa + 4.13
Graph Figure 6
ＹｂとＸｂの相関係数：０．５４
ｐ値＜０．０１
回帰直線 Ｙｂ＝５１７Ｘｂ ＋ ３．４１
グラフ 図７
Correlation coefficient between Yb and Xb: 0.54
p-value <0.01
Regression line Yb = 517Xb + 3.41
Graph Figure 7
ＹｂとＸｃの相関係数：０．５６
ｐ値＜０．０１
回帰直線 Ｙｂ＝４４９Ｘｃ ＋ ３．８６
グラフ 図８
Correlation coefficient between Yb and Xc: 0.56
p-value <0.01
Regression line Yb = 449Xc + 3.86
Graph Figure 8
（４−３）メイクの落とし易さ（Ｙｂ）と中央周波数値（Ｘｆ）の相関性
メイクの落とし易さの官能評価（Ｙｂ）と中央周波数値（Ｘｆ）に有意な相関が認められた。
(4-3) Correlation between ease of removing makeup (Yb) and center frequency value (Xf) A significant correlation was found between the sensory evaluation (Yb) of ease of removing makeup and the center frequency value (Xf).
ＹｂとＸｆの相関係数：−０．３９
ｐ値＜０．０１
回帰直線 Ｙｂ＝−０．７３８Ｘｆ ＋ １８．９５
グラフ 図９
Correlation coefficient between Yb and Xf: -0.39
p-value <0.01
Regression line Yb = -0.738Xf + 18.95
Graph Figure 9
（４−４）メイクの落とし易さ（Ｙｂ）の上肢筋の筋活動量（Ｘａ〜ｃ）と中央周波数値（Ｘｆ）による重回帰分析
メイクの落とし易さの官能評価（Ｙｂ）を上肢筋の筋活動量（Ｘａ〜ｃ）と中央周波数値（Ｘｆ）で重回帰分析することにより、高い相関係数で、有意に実測値を予測できた。
(4-4) Multiple regression analysis based on muscle activity (Xa to c) and median frequency value (Xf) of upper limb muscles for ease of removing makeup (Yb) Sensory evaluation (Yb) for ease of removing makeup for upper limb muscles By performing multiple regression analysis with the amount of muscle activity (Xa to c) and the median frequency value (Xf), the measured value could be significantly predicted with a high correlation coefficient.
ＹｂをＸａおよびＸｆで重回帰分析したときの相関係数：０．５１
ｐ値＜０．０５
回帰直線 Ｙｂ＝３７９Ｘａ − ０．２４４Ｘｆ ＋ ８．８３
Correlation coefficient when Yb is subjected to multiple regression analysis with Xa and Xf: 0.51
p-value <0.05
Regression line Yb = 379Xa − 0.244Xf + 8.83
ＹｂをＸｂおよびＸｆで重回帰分析したときの相関係数：０．５６
ｐ値＜０．０１
回帰直線 Ｙｂ＝４３５Ｘｂ − ０．３６３Ｘｆ ＋ １０．３９
Correlation coefficient when Yb is subjected to multiple regression analysis with Xb and Xf: 0.56
p-value <0.01
Regression line Yb = 435Xb − 0.363Xf + 10.39
ＹｂをＸｃおよびＸｆで重回帰分析したときの相関係数：０．５７
ｐ値＜０．０１
回帰直線 Ｙｂ＝４１１Ｘｃ − ０．１４８Ｘｆ ＋ ６．７１
Correlation coefficient when Yb is subjected to multiple regression analysis with Xc and Xf: 0.57
p-value <0.01
Regression line Yb = 411Xc − 0.148Xf + 6.71
（４−５）総合評価（Ｙｃ）と上肢筋の筋活動量（Ｘａ〜ｃ）の相関性
使用感とメイクの落とし易さに基づく総合評価の官能評価（Ｙｃ）とａ手指屈筋群の筋活動量（Ｘａ）、ｂ上腕二頭筋の筋活動量（Ｘｂ）、ｃ三角筋前部の筋活動量（Ｘｃ）に有意な相関が認められた。
(4-5) Correlation between comprehensive evaluation (Yc) and muscle activity of upper limb muscles (Xa to c) Sensory evaluation (Yc) of comprehensive evaluation based on usability and ease of removing makeup and muscles of a finger flexor muscle group A significant correlation was found between the amount of activity (Xa), the amount of muscle activity of the b biceps brachii muscle (Xb), and the amount of muscle activity of the anterior part of the c deltoid muscle (Xc).
ＹｃとＸａの相関係数：０．５４
ｐ値＜０．０１
回帰直線 Ｙｃ＝４３４Ｘａ ＋ ４．９２
グラフ 図１０
Correlation coefficient between Yc and Xa: 0.54
p-value <0.01
Regression line Yc = 434Xa + 4.92
Graph Figure 10
ＹｃとＸｂの相関係数：０．５３
ｐ値＜０．０１
回帰直線 Ｙｃ＝４４８Ｘｂ ＋ ４．４１
グラフ 図１１
Correlation coefficient between Yc and Xb: 0.53
p-value <0.01
Regression line Yc = 448Xb + 4.41
Graph Figure 11
ＹｃとＸｃの相関係数：０．４９
ｐ値＜０．０１
回帰直線 Ｙｃ＝３４３Ｘｃ ＋ ４．９５
グラフ 図１２
Correlation coefficient between Yc and Xc: 0.49
p-value <0.01
Regression line Yc = 343Xc + 4.95
Graph Figure 12
（４−６）総合評価（Ｙｃ）と中央周波数値（Ｘｆ）の相関性
総合評価の官能評価（Ｙｃ）と中央周波数値（Ｘｆ）に有意な相関が認められた。
(4-6) Correlation between the comprehensive evaluation (Yc) and the center frequency value (Xf) A significant correlation was observed between the sensory evaluation (Yc) and the center frequency value (Xf) of the comprehensive evaluation.
ＹｃとＸｆの相関係数：−０．５１
ｐ値＜０．０１
回帰直線 Ｙｃ＝−０．８４１Ｘｆ ＋ ２１．５８
グラフ 図１３
Correlation coefficient between Yc and Xf: -0.51
p-value <0.01
Regression line Yc = -0.841Xf + 21.58
Graph Figure 13
（４−７）総合評価（Ｙｃ）の上肢筋の筋活動量（Ｘａ〜ｃ）と中央周波数値（Ｘｆ）による重回帰分析
総合評価の官能評価（Ｙｃ）を上肢筋の筋活動量（Ｘａ〜ｃ）と中央周波数値（Ｘｆ）で重回帰分析することにより、高い相関係数で、有意に実測値を予測できた。
(4-7) Multiple regression analysis based on the muscle activity of the upper limb muscles (Xa to c) and the median frequency value (Xf) of the comprehensive evaluation (Yc) The sensory evaluation (Yc) of the comprehensive evaluation is the muscle activity of the upper limb muscles (Xa). By performing multiple regression analysis with ~ c) and the central frequency value (Xf), the measured value could be significantly predicted with a high correlation coefficient.
ＹｃをＸａおよびＸｆで重回帰分析したときの相関係数：０．５９
ｐ値＜０．０１
回帰直線 Ｙｃ＝２９３Ｘａ − ０．４６０Ｘｆ ＋ １３．７６
Correlation coefficient when Yc is subjected to multiple regression analysis with Xa and Xf: 0.59
p-value <0.01
Regression line Yc = 293Xa − 0.460Xf + 13.76
ＹｃをＸｂおよびＸｆで重回帰分析したときの相関係数：０．６１
ｐ値＜０．０１
回帰直線 Ｙｃ＝３１９Ｘｂ − ０．５６５Ｘｆ ＋ １５．２９
Correlation coefficient when Yc is subjected to multiple regression analysis with Xb and Xf: 0.61
p-value <0.01
Regression line Yc = 319Xb − 0.565Xf + 15.29
ＹｃをＸｃおよびＸｆで重回帰分析したときの相関係数：０．５６
ｐ値＜０．０１
回帰直線 Ｙｃ＝１９８Ｘｃ − ０．５５７Ｘｆ ＋ １５．６９
Correlation coefficient when Yc is subjected to multiple regression analysis with Xc and Xf: 0.56
p-value <0.01
Regression line Yc = 198Xc − 0.557Xf + 15.69
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| US20160367102A1 (en) * | 2015-06-17 | 2016-12-22 | Johnson & Johnson Consumer Inc. | Gel Wipe Composition Comprising a Superabsorbent Gel Fiber |
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| JP2019052858A (en) * | 2017-09-12 | 2019-04-04 | 花王株式会社 | Evaluation method of cosmetic |
| JP2019095263A (en) * | 2017-11-21 | 2019-06-20 | 花王株式会社 | Evaluation method of human skin or cosmetics |
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| JP2012100768A (en) * | 2010-11-08 | 2012-05-31 | Shiseido Co Ltd | Method for evaluating usability of container |
| JP2013144864A (en) * | 2013-03-29 | 2013-07-25 | Kao Corp | Sheet substrate for wet sheet |
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