JP4550600B2 - Skin cleanser composition - Google Patents

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JP4550600B2
JP4550600B2 JP2005016371A JP2005016371A JP4550600B2 JP 4550600 B2 JP4550600 B2 JP 4550600B2 JP 2005016371 A JP2005016371 A JP 2005016371A JP 2005016371 A JP2005016371 A JP 2005016371A JP 4550600 B2 JP4550600 B2 JP 4550600B2
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真規 清水
美宗 野々村
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Description

本発明は、リン酸エステル塩型界面活性剤を洗浄基剤とした皮膚洗浄剤組成物に関する。   The present invention relates to a skin cleansing composition comprising a phosphate ester type surfactant as a cleaning base.

毛髪用シャンプー、全身洗浄料、食器用洗剤等の皮膚に直接接する時間の長い洗浄剤組成物は、洗浄力、起泡性や泡質等の泡性能、使用感に加えて、皮膚への刺激が少ないことが求められている。一般に、洗浄剤組成物の洗浄基剤成分として用いられる脂肪酸塩型界面活性剤は、泡性能は高いものの、長期に使用すると敏感肌の人は手や肌が荒れやすくなる場合がある。   Long-lasting detergent compositions such as hair shampoos, whole body cleansers, dishwashing detergents, etc. are not only detergency, foaming properties such as foaming and foaming properties, feeling of use, but also irritation to the skin There is a demand for less. In general, a fatty acid salt type surfactant used as a cleaning base component of a cleaning composition has high foam performance, but if used for a long period of time, a person with sensitive skin may be prone to rough hands and skin.

これに対し、酢酸塩型界面活性剤、両性界面活性剤、糖骨格を有する界面活性剤等を洗浄基剤成分とする低刺激性洗浄剤組成物が開発されているが、洗浄力や起泡性が十分ではなく、優れた洗浄性との両立が更に求められている。   On the other hand, low-irritant detergent compositions using an acetate-type surfactant, an amphoteric surfactant, a surfactant having a sugar skeleton, etc. as a cleaning base component have been developed. Therefore, there is a further demand for compatibility with excellent detergency.

一方、リン酸エステル塩型のアニオン界面活性剤は、皮膚への刺激の低さ、洗浄性は満足できるものの、泡量と泡質が十分ではなく、起泡性の点で問題があった。
このため、リン酸エステル塩型界面活性剤と高級脂肪酸塩を含有する洗浄剤組成物(特許文献1、特許文献2)や、リン酸エステル塩型界面活性剤とグリセリルエーテルを含有する洗浄剤組成物(特許文献3)等が検討されている。しかしながら、これらの洗浄剤組成物はいずれも、起泡性はある程度改善されるものの、クリーミーな泡など、泡質の点で十分満足できるものではなかった。
特開昭57−49698号公報 特開平1−316309号公報 特開2001−107079号公報
On the other hand, the phosphoric acid ester salt type anionic surfactant is satisfactory in low irritation to the skin and cleanability, but has a problem in terms of foamability due to insufficient foam amount and foam quality.
Therefore, a detergent composition containing a phosphate ester type surfactant and a higher fatty acid salt (Patent Document 1, Patent Document 2), or a detergent composition containing a phosphate ester type surfactant and glyceryl ether A thing (patent document 3) etc. are examined. However, none of these detergent compositions is sufficiently satisfactory in terms of foam quality such as creamy foam, although the foamability is improved to some extent.
JP 57-49698 A JP-A-1-316309 JP 2001-107079 A

本発明の目的は、洗浄に際して、皮膚刺激が少なく、良好な泡立ちで、泡がクリーミーですべりが良く、使用感に優れた皮膚洗浄剤組成物を提供することにある。   An object of the present invention is to provide a skin cleanser composition having a low skin irritation, good foaming, foamy creaminess, good slippage, and excellent usability during cleaning.

本発明者らは、リン酸エステル塩型界面活性剤において、ミリスチルリン酸エステル塩を必須成分とし、これと同じ炭素数を有するミリスチン酸又はミリスチルアルコールとを組み合わせて用いれば、皮膚刺激が少なく、良好な泡立ちで、泡がクリーミーですべりが良く、使用感に優れた皮膚洗浄剤組成物が得られることを見出した。   In the phosphate ester type surfactant, the present inventors have a myristyl phosphate ester salt as an essential component, and when used in combination with myristic acid or myristyl alcohol having the same carbon number as this, there is less skin irritation, It was found that a skin cleanser composition having good foaming, creamy foam, good slip and excellent usability was obtained.

本発明は、次の成分(A)、(B):
(A)ミリスチル基を有するリン酸エステル塩(以下、ミリスチルリン酸エステル塩という)を含むリン酸エステル塩型界面活性剤 10〜25質量%、
(B)ミリスチン酸又はミリスチルアルコール 0.5〜2.5質量%、
及び(C)水を含有し、弱酸性である皮膚洗浄剤組成物を提供するものである。
The present invention includes the following components (A) and (B):
(A) 10-25% by mass of a phosphate ester type surfactant containing a phosphate ester salt having a myristyl group (hereinafter referred to as myristyl phosphate ester salt)
(B) Myristic acid or myristyl alcohol 0.5 to 2.5% by mass,
And (C) a skin cleansing composition that contains water and is weakly acidic.

本発明の皮膚洗浄剤組成物は、皮膚刺激が少なく、良好な泡立ちで、泡がクリーミーですべりが良く、使用感に優れたものである。また、保存安定性も良好である。   The skin cleansing composition of the present invention has little skin irritation, good foaming, foam is creamy and slippery, and has excellent usability. Also, the storage stability is good.

本発明で用いる成分(A)のリン酸エステル塩型界面活性剤は、一般式(1)で表されるリン酸モノエステル又はその塩を主体とするものが好ましく、十分な洗浄力を有し、皮膚への刺激が低いものである。   The phosphoric acid ester salt surfactant of component (A) used in the present invention is preferably based on the phosphoric acid monoester represented by the general formula (1) or a salt thereof, and has sufficient detergency. , Skin irritation is low.

Figure 0004550600
Figure 0004550600

式中、Aは炭素数8〜18の直鎖又は分岐鎖の炭化水素基を示し、mは0〜8の数を示し、X1及びX2は、同一又は異なって、水素原子、アルカリ金属、炭素数2〜3のアルキル置換アンモニウム、炭素数2〜3のヒドロキシアルキル置換アンモニウム又は塩基性アミノ酸による対イオンを示す。 In the formula, A represents a linear or branched hydrocarbon group having 8 to 18 carbon atoms, m represents a number of 0 to 8, and X 1 and X 2 are the same or different and represent a hydrogen atom or an alkali metal. , A counter ion by an alkyl-substituted ammonium having 2 to 3 carbon atoms, a hydroxyalkyl-substituted ammonium having 2 to 3 carbon atoms or a basic amino acid.

一般式(1)において、Aで示される炭素数8〜18の直鎖の炭化水素基としては、炭素数8〜18の直鎖のアルキル基又はアルケニル基が挙げられ、特に、オクチル基、ノニル基、デシル基、ウンデシル基、ラウリル基、トリデシル基、ミリスチル基、ペンタデシル基、パルミチル基、ステアリル基等の直鎖アルキル基が好ましい。その中で、Aがミリスチル基であるミリスチルリン酸エステル塩は、本発明における成分(A)として必須の成分である。   In the general formula (1), examples of the straight-chain hydrocarbon group having 8 to 18 carbon atoms represented by A include a straight-chain alkyl group or alkenyl group having 8 to 18 carbon atoms, and in particular, an octyl group and nonyl group. A linear alkyl group such as a group, decyl group, undecyl group, lauryl group, tridecyl group, myristyl group, pentadecyl group, palmityl group, stearyl group is preferable. Among them, myristyl phosphate salt in which A is a myristyl group is an essential component as the component (A) in the present invention.

一方、炭素数8〜18の分岐鎖の炭化水素基としては、R−CH(CH3)CH2−(Rは炭素数5〜15の直鎖の炭化水素基を示す)で表わされるメチル分岐アルキル基が好ましい。ここに、Rとしては、炭素数5〜15の直鎖のアルキル基又はアルケニル基が挙げられ、特にペンチル基、ヘキシル基、ヘプチル基、オクチル基、ノニル基、デシル基、ウンデシル基、ラウリル基等の直鎖アルキル基が好ましい。これらのメチル分岐アルキル基以外に、エチル分岐、プロピル分岐、ブチル分岐、ペンチル分岐等の分岐鎖を有するアルキル基でも良い。
Aとしては、特に炭素数10〜16の直鎖又は分岐鎖のアルキル基が好ましい。
On the other hand, as the branched hydrocarbon group having 8 to 18 carbon atoms, a methyl branch represented by R—CH (CH 3 ) CH 2 — (wherein R represents a linear hydrocarbon group having 5 to 15 carbon atoms). Alkyl groups are preferred. Here, examples of R include linear alkyl groups or alkenyl groups having 5 to 15 carbon atoms, and in particular, pentyl group, hexyl group, heptyl group, octyl group, nonyl group, decyl group, undecyl group, lauryl group, and the like. The linear alkyl group is preferable. In addition to these methyl branched alkyl groups, alkyl groups having branched chains such as ethyl branch, propyl branch, butyl branch, pentyl branch and the like may be used.
A is particularly preferably a linear or branched alkyl group having 10 to 16 carbon atoms.

mは、オキシエチレン基の繰り返し単位数を示し、0〜8の数であるが、質量平均で0〜5の数が好ましく、特に0〜3の数が好ましい。   m represents the number of repeating units of the oxyethylene group, and is a number of 0 to 8, preferably a number of 0 to 5 in terms of mass average, and particularly preferably a number of 0 to 3.

一般式(1)において、X1及びX2で表されるアルカリ金属としては、リチウム、カリウム、ナトリウム等が挙げられる。
また、炭素数2〜3のアルキル置換アンモニウム又は炭素数2〜3のヒドロキシアルキル置換アンモニウムは、一般式(1)で表わされるリン酸エステル又はその塩の製造工程で、相当するリン酸を中和するときに用いられるアミンに由来するものである。相当するアミンは、炭素数2〜3のアルキル基又はヒドロキシアルキル基を有する一級、二級又は三級アミンであり、例えば、ジエチルモノエタノールアミン、エチルジエタノールアミン、トリエチルアミン、ジプロピルアミン、ジプロピルモノエタノールアミン、プロピルジエタノールアミン、プロピルジエチルアミン、モノエタノールアミン、ジエタノールアミン、トリエタノールアミン、イソプロピルジエチルアミン、イソプロピルエタノールアミン、2−アミノ−2−メチル−1−プロパノール等が挙げられる。
In the general formula (1), examples of the alkali metal represented by X 1 and X 2 include lithium, potassium, and sodium.
In addition, the alkyl-substituted ammonium having 2 to 3 carbon atoms or the hydroxyalkyl-substituted ammonium having 2 to 3 carbon atoms neutralizes the corresponding phosphoric acid in the production process of the phosphate ester represented by the general formula (1) or a salt thereof. Derived from the amine used. The corresponding amine is a primary, secondary or tertiary amine having a C2-C3 alkyl group or a hydroxyalkyl group, such as diethyl monoethanolamine, ethyldiethanolamine, triethylamine, dipropylamine, dipropylmonoethanol. Examples include amine, propyldiethanolamine, propyldiethylamine, monoethanolamine, diethanolamine, triethanolamine, isopropyldiethylamine, isopropylethanolamine, and 2-amino-2-methyl-1-propanol.

また、塩基性アミノ酸としては、例えばアルギニン、リジン、ヒスチジン、オルニチン等が挙げられる。   Examples of basic amino acids include arginine, lysine, histidine, ornithine and the like.

これらのうち、一般式(1)の塩として、カリウム塩、ナトリウム塩、トリエタノールアミン塩、アルギニン塩を与えるものが好ましく、特に、カリウム塩、ナトリウム塩が好ましい。   Among these, as the salt of the general formula (1), those giving a potassium salt, sodium salt, triethanolamine salt and arginine salt are preferable, and potassium salt and sodium salt are particularly preferable.

リン酸モノエステル又はその塩の好ましい例としては、Aが炭素数10〜16の直鎖又は分岐鎖の炭化水素基であるリン酸エステルのナトリウム塩、カリウム塩又はトリエタノールアミン塩、アルギニン塩が挙げられる。   Preferred examples of the phosphoric acid monoester or a salt thereof include sodium salt, potassium salt, triethanolamine salt, and arginine salt of phosphoric acid ester in which A is a linear or branched hydrocarbon group having 10 to 16 carbon atoms. Can be mentioned.

本発明においては、成分(A)として、一般式(1)のAがミリスチル基であるミリスチルリン酸エステル塩、特にモノミリスチルリン酸エステル塩を必須成分として含有する。
成分(A)のリン酸エステル塩型界面活性剤は、ミリスチルリン酸エステル塩以外に、他のリン酸エステル又はその塩を1種以上用いることができ、本質的に炭素数の異なるリン酸エステル塩の混合物である。成分(A)中のミリスチルリン酸エステル塩の含有割合は、10〜40質量%、特に15〜35質量%であるのが好ましい。この範囲において、起泡性と泡質により優れた皮膚洗浄剤組成物が得られる。
In the present invention, as the component (A), a myristyl phosphate ester salt in which A in the general formula (1) is a myristyl group, particularly a monomyristyl phosphate ester salt is contained as an essential component.
In addition to the myristyl phosphate ester salt, the phosphate salt type surfactant of component (A) can use one or more other phosphate esters or salts thereof, and phosphate esters having essentially different carbon numbers. It is a mixture of salts. The content ratio of the myristyl phosphate salt in the component (A) is preferably 10 to 40% by mass, particularly preferably 15 to 35% by mass. Within this range, a skin cleanser composition that is superior in foaming properties and foam quality can be obtained.

成分(A)のリン酸エステル塩型界面活性剤は、更に、式(1)において、X1又はX2がA-(OCH2CH2m−基であるリン酸ジエステル又はその塩を含むこともできる。この場合、リン酸モノエステル(塩):リン酸ジエステル(塩)の含有量の比は、洗浄力の点から、100:0〜50:50、特に100:0〜70:30であることが好ましい。 The phosphoric acid ester salt surfactant of component (A) further contains a phosphoric acid diester or a salt thereof in which X 1 or X 2 is an A— (OCH 2 CH 2 ) m — group in formula (1). You can also. In this case, the content ratio of phosphoric acid monoester (salt): phosphoric acid diester (salt) is 100: 0 to 50:50, particularly 100: 0 to 70:30, from the viewpoint of detergency. preferable.

成分(A)の含有量は、全組成中10〜25質量%が好ましい。十分な洗浄効果を得る点から10質量%以上、特に15質量%以上とすることが好ましく、洗浄効果以外の点から他成分との量的バランスを考慮し、25質量%以下、特に20質量%以下とすることが好ましい。   The content of the component (A) is preferably 10 to 25% by mass in the total composition. It is preferably 10% by mass or more, particularly 15% by mass or more from the viewpoint of obtaining a sufficient cleaning effect. In consideration of the quantitative balance with other components from the point other than the cleaning effect, it is 25% by mass or less, particularly 20% by mass. The following is preferable.

本発明で用いる成分(B)は、ミリスチン酸又はミリスチルアルコールであり、これらを組み合わせて用いることもできる。成分(B)の含有量は、全組成中に0.5〜2.5質量%が好ましく、クリーミーな泡を得つつ洗浄料の長期保存を可能とするため、1.5〜2.3質量%であるのが特に好ましい。   The component (B) used in the present invention is myristic acid or myristyl alcohol, and these may be used in combination. The content of the component (B) is preferably 0.5 to 2.5% by mass in the total composition, and 1.5 to 2.3% by mass in order to enable long-term storage of the cleaning material while obtaining creamy foam. % Is particularly preferred.

また、成分(C)の水の含有量は、全組成中に50〜85質量%が好ましく、十分な泡量を得つつ洗浄料の長期保存を可能とするため、65〜80質量%であるのが特に好ましい。   Further, the water content of the component (C) is preferably 50 to 85% by mass in the entire composition, and is 65 to 80% by mass in order to enable long-term storage of the cleaning material while obtaining a sufficient amount of foam. Is particularly preferred.

本発明の皮膚洗浄剤組成物は、更に、(D)炭素数4〜12のアルキル基又はアルケニル基を有するグリセリルエーテルを含有することができ、泡立ちをより向上させることができる。
かかるグリセリルエーテルのうち、例えばn−ブチル基、イソブチル基、tert−ブチル基、n−ペンチル基、イソペンチル基、n−ヘキシル基、イソヘキシル基、n−ヘプチル基、n−オクチル基、2−エチルヘキシル基、n−ノニル基、n−デシル基、ラウリル基等の炭素数4〜12の直鎖又は分岐鎖のアルキル基を有するものが好ましく、特に炭素数4〜11、更に炭素数6〜10、就中炭素数8のアルキル基を1又は2個、特に1個有するものが好ましい。
The skin cleansing composition of the present invention can further contain (D) glyceryl ether having an alkyl group or an alkenyl group having 4 to 12 carbon atoms, and can further improve foaming.
Among such glyceryl ethers, for example, n-butyl group, isobutyl group, tert-butyl group, n-pentyl group, isopentyl group, n-hexyl group, isohexyl group, n-heptyl group, n-octyl group, 2-ethylhexyl group , N-nonyl group, n-decyl group, lauryl group and the like having a linear or branched alkyl group having 4 to 12 carbon atoms are preferred, particularly 4 to 11 carbon atoms, and further 6 to 10 carbon atoms. Those having one or two, particularly one, alkyl group having 8 medium carbon atoms are preferred.

成分(D)のグリセリルエーテルは、1種以上を用いることができ、その含有量は、全組成中に0.5〜5質量%であるのが好ましく、十分な泡量を得つつ洗浄料の長期保存を可能とするため、1〜3質量%であるのが特に好ましい。   One or more glyceryl ethers of the component (D) can be used, and the content thereof is preferably 0.5 to 5% by mass in the whole composition, and the amount of foam is obtained while obtaining a sufficient amount of foam. In order to enable long-term storage, the content is particularly preferably 1 to 3% by mass.

本発明の皮膚洗浄剤組成物は、前記成分以外に、成分(A)以外の界面活性剤、香料、保湿剤、抗ニキビ剤、酸化防止剤、抗フリーラジカル剤、乳白剤、安定剤、エモリエント剤、ヒドロキシ酸、ビタミン類、セラミド類、防腐剤、金属イオン封鎖剤、増粘剤、紫外線吸収剤、紫外線防御剤、無機塩、顔料、その他化粧料に一般的に用いられる薬剤、あるいはエタノール等の有機溶媒物質や揮発性成分などを含有することができる。   In addition to the above components, the skin cleansing composition of the present invention comprises surfactants other than the component (A), perfumes, moisturizers, anti-acne agents, antioxidants, anti-free radical agents, opacifiers, stabilizers, emollients. Agents, hydroxy acids, vitamins, ceramides, preservatives, sequestering agents, thickeners, UV absorbers, UV protection agents, inorganic salts, pigments, other drugs commonly used in cosmetics, ethanol, etc. Organic solvent substances and volatile components can be contained.

本発明の皮膚洗浄剤組成物は、弱酸性に調整される。上記成分を組み合わせ、更にpHを弱酸性に調整することにより、皮膚への刺激が少なく、優れた洗浄力が損なわれることなく洗浄時の泡立ちが良好となり、泡がクリーミーですべりが良く、優れた使用感を得ることができる。
皮膚洗浄剤組成物のpHは、必要に応じて、塩酸、硫酸、リン酸等の無機酸;クエン酸、コハク酸、乳酸、リンゴ酸、ピロリドンカルボン酸、酒石酸、グリコール酸、アスコルビン酸等の有機酸;グルタミン酸、アスパラギン酸等の酸性アミノ酸;水酸化ナトリウム、水酸化カリウム等の水酸化物;アンモニア又はアンモニア水;アルギニン、リジン等の塩基性アミノ酸などのpH調整剤を用いて弱酸性に調整することができる。
The skin cleansing composition of the present invention is adjusted to weak acidity. By combining the above ingredients and adjusting the pH to be slightly acidic, there is less irritation to the skin, the foaming at the time of washing is good without impairing the excellent cleaning power, the foam is creamy and slippery, and excellent A feeling of use can be obtained.
The pH of the skin cleansing composition may be adjusted to an inorganic acid such as hydrochloric acid, sulfuric acid or phosphoric acid; and organic such as citric acid, succinic acid, lactic acid, malic acid, pyrrolidone carboxylic acid, tartaric acid, glycolic acid or ascorbic acid. Acid; Acidic amino acids such as glutamic acid and aspartic acid; Hydroxides such as sodium hydroxide and potassium hydroxide; Ammonia or aqueous ammonia; Adjust to weak acidity using pH adjusters such as basic amino acids such as arginine and lysine be able to.

弱酸性とは、pH(水素イオン濃度)が7より小さく、4.5より大きい場合を言う。本発明の皮膚洗浄剤組成物は、さらに泡がクリーミーですべりが良く、優れた使用感となる点から、pH4.5〜6.5が好ましく、特に、pH5.0〜6.5が好ましい。
ここで、pHは、試料を精製水にて20倍に希釈し、撹拌して5質量%水溶液を得た後、pHメーター(例えば、堀場製作所製、型番F−22)を用いて、20℃で測定した値である。
Weakly acidic means that the pH (hydrogen ion concentration) is less than 7 and greater than 4.5. The skin cleansing composition of the present invention is more preferably pH 4.5 to 6.5, and particularly preferably pH 5.0 to 6.5 from the viewpoint that the foam is creamy and slippery and has an excellent feeling of use.
Here, the pH of the sample was diluted 20 times with purified water and stirred to obtain a 5% by mass aqueous solution. Then, the pH was measured at 20 ° C. using a pH meter (for example, model number F-22, manufactured by Horiba, Ltd.). It is the value measured by.

本発明の皮膚洗浄剤組成物は、含有成分を秤量し、水又は水を主体としアルコール等の他の水溶性溶剤を含む水性媒体に、任意の順序で混合及び攪拌することにより製造することができる。混合、溶解の順序は、特に制限されない。
本発明の皮膚洗浄剤組成物は、液状又はペースト状の組成物として得られ、30℃における粘度は500〜3000mPa・s、特に1000〜2500mPa・sの範囲であることが、ポンプ等の容器から排出し易く、泡立てが容易である点で好ましい。
The skin cleansing composition of the present invention can be produced by weighing the components and mixing and stirring in an arbitrary order with water or an aqueous medium mainly containing water and containing other water-soluble solvents such as alcohol. it can. The order of mixing and dissolution is not particularly limited.
The skin cleansing composition of the present invention is obtained as a liquid or paste-like composition, and the viscosity at 30 ° C. is in the range of 500 to 3000 mPa · s, particularly 1000 to 2500 mPa · s. It is preferable in terms of easy discharge and easy foaming.

本発明の皮膚洗浄剤組成物は、洗顔料、全身洗浄料、ハンドソープ、クレンジング剤等とすることができ、特に洗顔料、全身洗浄料、ハンドソープとして好適に用いることができる。   The skin cleansing composition of the present invention can be used as a facial cleanser, a whole body cleansing agent, a hand soap, a cleansing agent, etc., and in particular, can be suitably used as a facial cleanser, a whole body cleansing agent, a hand soap.

実施例1〜5、比較例1〜6
表1に示す成分を秤量して水中に添加し、50℃で十分撹拌して、皮膚洗浄剤組成物(ボディーソープ)を得た。水酸化カリウム及びリンゴ酸を適量添加して、20倍希釈液のpHが6.2となるよう調整した。ここでpHは、組成物を精製水にて20倍に希釈し、撹拌して5質量%水溶液を得た後、pHメーター(堀場製作所製、型番F−22)を用いて20℃で測定した。
得られた皮膚洗浄剤組成物について、外観、粘度、起泡性、泡質及び保存安定性を評価した。結果を表1に併せて示す。
Examples 1-5, Comparative Examples 1-6
The components shown in Table 1 were weighed and added to water, and stirred well at 50 ° C. to obtain a skin cleanser composition (body soap). Appropriate amounts of potassium hydroxide and malic acid were added to adjust the pH of the 20-fold diluted solution to 6.2. Here, the pH was measured at 20 ° C. using a pH meter (manufactured by Horiba, Model No. F-22) after diluting the composition 20 times with purified water and stirring to obtain a 5 mass% aqueous solution. .
About the obtained skin cleaning composition, the external appearance, viscosity, foaming property, foam quality, and storage stability were evaluated. The results are also shown in Table 1.

(評価方法)
(1)外観:
洗浄剤組成物をガラス瓶に入れたときの外観を目視にて評価した。
(Evaluation methods)
(1) Appearance:
The appearance when the cleaning composition was put in a glass bottle was visually evaluated.

(2)粘度:
振動式粘度計(A&D社製、CVJ5000型)を用い、30℃において粘度を測定した。
(2) Viscosity:
The viscosity was measured at 30 ° C. using a vibration viscometer (A & D, CVJ5000 type).

(3)起泡性:
専門評価者5名が、速泡性と泡量に着目して1点〜5点の5段階で評価した。表中に合計点で示す。数値が大きい方が優れている。
(3) Foaming property:
Five expert evaluators evaluated it in five stages from 1 point to 5 points, paying attention to the quick foam property and the amount of foam. Shown as a total in the table. Larger numbers are better.

(4)泡質:
専門評価者5名が、泡のきめこまかさに着目して1点〜5点の5段階で評価した。表中に合計点で示す。数値が大きい方が優れている。
(4) Foam quality:
Five expert evaluators focused on the fineness of the foam and evaluated it on a scale of 1 to 5 points. Shown as a total in the table. Larger numbers are better.

(5)保存安定性:
洗浄剤組成物をガラス瓶に入れ、5℃で30日間保存した後の流動性の有無から判断した。
○:流動性あり
×:流動性なし
(5) Storage stability:
The detergent composition was put into a glass bottle and judged from the presence or absence of fluidity after storage at 5 ° C. for 30 days.
○: With fluidity ×: Without fluidity

Figure 0004550600
Figure 0004550600

Claims (4)

次の成分(A)、(B):
(A)リン酸モノミリスチルを含むアルキル(C11,13,15)リン酸カリウム
10〜25質量%、
(B)ミリスチン酸 0.5〜2.5質量%、
及び(C)水を含有し、弱酸性である皮膚洗浄剤組成物。
The following components (A) and (B):
(A) Alkyl (C11,13,15) potassium phosphate containing monomyristyl phosphate
10-25% by mass,
(B) Myristic acid 0.5-2.5 mass%,
And (C) a skin cleanser composition that contains water and is weakly acidic.
リン酸モノミリスチルの含有量が、成分(A)の全量に対して10〜40質量%である請求項1記載の皮膚洗浄剤組成物。 The skin cleanser composition according to claim 1, wherein the content of monomyristyl phosphate is 10 to 40% by mass relative to the total amount of component (A). 更に、(D)炭素数4〜12のアルキル基又はアルケニル基を有するグリセリルエーテルを0.5〜5質量%含有する請求項1又は2記載の皮膚洗浄剤組成物。   The skin cleanser composition according to claim 1 or 2, further comprising (D) 0.5 to 5% by mass of glyceryl ether having an alkyl group or an alkenyl group having 4 to 12 carbon atoms. 水で20倍に希釈した水溶液のpHが4.5〜6.5である請求項1〜3のいずれか1項記載の皮膚洗浄剤組成物。   The skin cleansing composition according to any one of claims 1 to 3, wherein the pH of the aqueous solution diluted 20 times with water is 4.5 to 6.5.
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Publication number Priority date Publication date Assignee Title
JP4963601B2 (en) * 2006-12-15 2012-06-27 花王株式会社 Skin cleanser
TWI434703B (en) 2007-05-14 2014-04-21 Kao Corp Skin cleansing composition

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01149715A (en) * 1987-12-08 1989-06-12 Lion Corp Skin-cleaning agent composition
JPH04169518A (en) * 1990-10-31 1992-06-17 Kao Corp Shaving agent composition
JPH08199190A (en) * 1995-01-23 1996-08-06 Chuo Aerosol Kagaku Kk Liquid composition for producing foam-containing lump
JP2001107079A (en) * 1999-10-12 2001-04-17 Kao Corp Detergent composition
JP2003212733A (en) * 2002-01-21 2003-07-30 Kao Corp Hair wash
JP2004137171A (en) * 2002-10-16 2004-05-13 Kao Corp Cleaner composition
JP2004331942A (en) * 2003-04-14 2004-11-25 Kao Corp Detergent composition

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01149715A (en) * 1987-12-08 1989-06-12 Lion Corp Skin-cleaning agent composition
JPH04169518A (en) * 1990-10-31 1992-06-17 Kao Corp Shaving agent composition
JPH08199190A (en) * 1995-01-23 1996-08-06 Chuo Aerosol Kagaku Kk Liquid composition for producing foam-containing lump
JP2001107079A (en) * 1999-10-12 2001-04-17 Kao Corp Detergent composition
JP2003212733A (en) * 2002-01-21 2003-07-30 Kao Corp Hair wash
JP2004137171A (en) * 2002-10-16 2004-05-13 Kao Corp Cleaner composition
JP2004331942A (en) * 2003-04-14 2004-11-25 Kao Corp Detergent composition

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