JP6254818B2 - 毛髪処理剤 - Google Patents
毛髪処理剤 Download PDFInfo
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- JP6254818B2 JP6254818B2 JP2013220670A JP2013220670A JP6254818B2 JP 6254818 B2 JP6254818 B2 JP 6254818B2 JP 2013220670 A JP2013220670 A JP 2013220670A JP 2013220670 A JP2013220670 A JP 2013220670A JP 6254818 B2 JP6254818 B2 JP 6254818B2
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- hair
- mass
- treatment agent
- acid
- hair treatment
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- YWIVKILSMZOHHF-QJZPQSOGSA-N sodium;(2s,3s,4s,5r,6r)-6-[(2s,3r,4r,5s,6r)-3-acetamido-2-[(2s,3s,4r,5r,6r)-6-[(2r,3r,4r,5s,6r)-3-acetamido-2,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-2-carboxy-4,5-dihydroxyoxan-3-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-3,4,5-trihydroxyoxane-2- Chemical compound [Na+].CC(=O)N[C@H]1[C@H](O)O[C@H](CO)[C@@H](O)[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@H](O[C@H]2[C@@H]([C@@H](O[C@H]3[C@@H]([C@@H](O)[C@H](O)[C@H](O3)C(O)=O)O)[C@H](O)[C@@H](CO)O2)NC(C)=O)[C@@H](C(O)=O)O1 YWIVKILSMZOHHF-QJZPQSOGSA-N 0.000 description 1
- KZLAYICWOGEOSV-UHFFFAOYSA-M sodium;2-sulfanylpropanoate Chemical compound [Na+].CC(S)C([O-])=O KZLAYICWOGEOSV-UHFFFAOYSA-M 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 229940032094 squalane Drugs 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-L succinate(2-) Chemical compound [O-]C(=O)CCC([O-])=O KDYFGRWQOYBRFD-UHFFFAOYSA-L 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 235000000346 sugar Nutrition 0.000 description 1
- 150000008163 sugars Chemical class 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 150000003871 sulfonates Chemical class 0.000 description 1
- TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 description 1
- BORJONZPSTVSFP-UHFFFAOYSA-N tetradecyl 2-hydroxypropanoate Chemical compound CCCCCCCCCCCCCCOC(=O)C(C)O BORJONZPSTVSFP-UHFFFAOYSA-N 0.000 description 1
- DZKXJUASMGQEMA-UHFFFAOYSA-N tetradecyl tetradecanoate Chemical compound CCCCCCCCCCCCCCOC(=O)CCCCCCCCCCCCC DZKXJUASMGQEMA-UHFFFAOYSA-N 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- 229940118594 trimethylolpropane triisostearate Drugs 0.000 description 1
- 229940026256 trioctyldodecyl citrate Drugs 0.000 description 1
- BIEMOBPNIWQLMF-UHFFFAOYSA-N tris(2-octyldodecyl) 2-hydroxypropane-1,2,3-tricarboxylate Chemical compound CCCCCCCCCCC(CCCCCCCC)COC(=O)CC(O)(C(=O)OCC(CCCCCCCC)CCCCCCCCCC)CC(=O)OCC(CCCCCCCC)CCCCCCCCCC BIEMOBPNIWQLMF-UHFFFAOYSA-N 0.000 description 1
- BSVBQGMMJUBVOD-UHFFFAOYSA-N trisodium borate Chemical compound [Na+].[Na+].[Na+].[O-]B([O-])[O-] BSVBQGMMJUBVOD-UHFFFAOYSA-N 0.000 description 1
- 239000012588 trypsin Substances 0.000 description 1
- 239000004474 valine Substances 0.000 description 1
- 239000000811 xylitol Substances 0.000 description 1
- 235000010447 xylitol Nutrition 0.000 description 1
- HEBKCHPVOIAQTA-SCDXWVJYSA-N xylitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)CO HEBKCHPVOIAQTA-SCDXWVJYSA-N 0.000 description 1
- 229960002675 xylitol Drugs 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
Images
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
- A61K8/44—Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/64—Proteins; Peptides; Derivatives or degradation products thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q5/00—Preparations for care of the hair
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q5/00—Preparations for care of the hair
- A61Q5/06—Preparations for styling the hair, e.g. by temporary shaping or colouring
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- Life Sciences & Earth Sciences (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Birds (AREA)
- Epidemiology (AREA)
- Cosmetics (AREA)
Description
−S−S−(CH2)n−COOH (I)
(式(I)中、nは、1又は2である。)
変性ペプチドにより、毛髪の補修効果が得られる。この変性ペプチドは、下記式(I)で表される基及びその塩のうちの少なくとも一方の側鎖基を有するものである。
−S−S−(CH2)n−COOH (I)
上記変性ペプチドの製造方法は、特開2012−224573号公報、特開2010−275297号公報などに開示されており、例えばケラチンを原料とする図1に示す工程を有する方法が挙げられる。図1に示す製造方法は、還元工程(STP1)、酸化剤混合工程(STP2)、固液分離工程(STP3)及び回収工程L(STP4)を有する。図1に示す全工程を備える方法では、酸化剤混合工程(STP2)にて変性ペプチド(図1に示す液体部Lに溶解している変性ペプチド、及び固体部Sに含まれる変性ペプチド)が生成するので、固液分離工程(STP3)及び回収工程L(STP4)を設けなくても変性ペプチドが製造されることになる。
還元工程(STP1)は、還元剤とケラチンと水とを混合する工程である。この還元工程(STP1)において、ケラチンが有するジスルフィド基(−S−S−)をメルカプト基(−SH HS−)に還元する。
酸化剤混合工程(STP2)は、還元工程(STP1)を経た処理物(ケラチン由来物)と酸化剤とを混合し、変性ペプチドを生成させる工程である。かかる酸化剤の混合は、処理物のメルカプト基を変性する酸化反応を促進するために行われる。通常、還元工程(STP1)を経た処理物を含む被処理液に、酸化剤を混合する。
固液分離工程(STP3)は、酸化剤混合工程(STP2)後の被処理液を液体部Lと固体部Sとに分離する工程である。固液分離工程(STP3)では、濾過、遠心分離、圧搾分離、沈降分離、浮上分離等の公知の固液分離手段を採用することができ、必要に応じてイオン交換や電気透析等による脱塩等を行うとよい。
回収工程L(STP4)は、固液分離工程(STP3)で得た液体部Lに溶解する変性ペプチドLを固形状のものとして回収する工程である。この回収工程L(STP4)における固形状変性ペプチドLの回収方法としては、(1)液体部Lを凍結乾燥することによる回収、(2)液体部Lを噴霧乾燥することによる回収、(3)塩酸等の酸を液体部Lに添加して、液体部LのpHを2.5から4.0程度に低下させることにより生じた変性ペプチドL沈殿物の回収などが挙げられる。回収した固形状の変性ペプチドLについては、必要に応じて、水や酸性水溶液による洗浄、乾燥等を行う。
加水分解のための酵素としては、例えば、ペプシン、プロテアーゼA、プロテアーゼBなどの酸性蛋白質分解酵素;パパイン、プロメライン、サーモライシン、プロナーゼ、トリプシン、キモトリプシン等の中性乃至アルカリ性蛋白質分解酵素などが挙げられる。
加水分解のために用いられる酸としては、例えば塩酸、硫酸、リン酸、硝酸、臭化水素酸等の無機酸、又は蟻酸、シュウ酸等の有機酸が挙げられ、これらの中から適宜選択される。この加水分解の条件は、例えばpH4以下、反応温度40℃以上100℃以下、反応時間2時間以上24時間以内である。
加水分解のために用いられるアルカリとしては、例えば水酸化ナトリウム、水酸化カリウム、炭酸ナトリウム、炭酸カリウム、ケイ酸ナトリウム、ホウ酸ナトリウム等が挙げられる。この加水分解の条件は、例えばpH8.0以上、反応温度50℃以上100℃以下、反応時間20分以上24時間以内である。
ロイシンは、毛髪の補修作用の向上に必要な変性ペプチドの毛髪への定着性を高めるものである。このロイシンは、他のアミノ酸と併用してもよい。他のアミノ酸としては、例えばグリシン、アラニン、バリン、イソロイシン、メチオニン、セリン、トレオニン、プロリン、ヒスチジン、フェニルアラニン、トリプトファン、アスパラギン酸ナトリウム、グルタミン酸ナトリウム、オルニチン、リシン、アルギニン等が挙げられる。
当該毛髪処理剤に任意配合される変性ペプチド及びロイシン以外の原料は、当該毛髪処理剤の使用目的に応じて公知の毛髪処理剤原料から適宜選定される。その公知の毛髪処理剤原料としては、アニオン界面活性剤、カチオン界面活性剤、両性界面活性剤、ノニオン界面活性剤、高級アルコール、低級アルコール、多価アルコール、糖類、油脂、エステル油、脂肪酸、炭化水素、ロウ、高分子化合物がある。また、他の公知の毛髪処理剤原料としては、シリコーン、蛋白、アミノ酸、動植物抽出物、微生物由来物、無機化合物、香料、防腐剤、金属イオン封鎖剤等である。
当該毛髪処理剤の使用目的に応じて任意原料が選定されるのは、上記の通りである。当該毛髪処理剤は、ヘアケア剤、カラーリング剤、ブリーチ剤、スタイリング剤等として使用可能なものである。ヘアケア剤の任意原料の組合せとしては、例えば、界面活性剤、シリコーン、高分子化合物(合成高分子化合物、半合成高分子化合物又は天然高分子化合物)、アルコール、金属イオン封鎖剤、及び水である。カラーリング剤の任意原料の組合せとしては、例えば、染料、アルコール、高分子化合物(合成高分子化合物、半合成高分子化合物又は天然高分子化合物)、及び水である。ブリーチ剤の任意原料の組合せとしては、例えば、過酸化水素、界面活性剤、アルカリ剤、及び水である。スタイリング剤の任意原料の組合せとしては、例えば、スタイリング原料(油脂、エステル油、炭化水素、ロウ、合成高分子化合物、半合成高分子化合物、天然高分子化合物等)、界面活性剤、及びアルコールである。
当該毛髪処理剤に水が配合されている場合、当該毛髪処理剤のpHは、特に限定されないが、5以上11以下が良く、6以上10以下が好ましく、7以上9以下がより好ましく、7以上8以下がさらに好ましい。pHが5未満であると変性ペプチドの沈殿が生じやすく、pHが11以上であると変性ペプチドの加水分解進行のおそれがある。なお、pHの調整のためには、有機酸、無機酸、アルカリ金属の水酸化物等を用いると良い。
当該毛髪処理剤の使用時の剤型は、特に限定されず、例えば、液状、乳液状、ローション状、クリーム状、ワックス状、ゲル状、固形状、フォーム状(泡状)、霧状が挙げられる。
当該毛髪処理剤で処理される対象毛髪は、パーマ処理、カラーリング処理、又はブリーチ処理の履歴がある毛髪、及びその履歴がない毛髪のいずれであっても良い。
以下の通り、還元工程及び酸化剤混合工程に従って変性ペプチドを製造し、固液分離工程及び回収工程に従って変性ペプチドを回収した。そして、さらに所定条件で変性ペプチドの加熱を5時間行った。
中性洗剤で洗浄、乾燥させたメリノ種羊毛を、約5mmに切断した。この羊毛5質量部、30質量%チオグリコール酸ナトリウム水溶液15.4質量部及び6mol/L水酸化ナトリウム水溶液8.5質量部を混合し、さらに水を混合して全量150質量部、pH11の被処理液を調製した。この被処理液を、45℃、1時間の条件で攪拌した。次いで、さらに水を混合して全量を200質量部とし、45℃、2時間の条件で放置し、その後、液温が常温になるまで自然冷却した。
還元工程後の被処理液を攪拌しながら、当該液に、35質量%過酸化水素水を15.26質量部配合した水溶液178質量部を、約30分かけて攪拌しながら混合した(過酸化水素水の混合に伴って被処理液のpHは上昇することになるが、その上昇は約20質量%酢酸水溶液を混合することでpH10以上11以下の範囲に調整した。)。その後、約20質量%酢酸水溶液を徐々に混合し、被処理液のpHが漸次11から7になるように調整した。以上により変性ペプチド溶液を得た。
変性ペプチド溶液をろ過することによりその溶液の不溶物を除去した。その後、回収した液体部(ろ液)に36質量%塩酸水溶液97.2質量部を配合した水溶液160質量部を添加して変性ペプチド溶液のpHを7から3.8にすることにより、変性ペプチドの沈殿を生じさせた。この沈殿を回収、水洗し、固形状の変性ペプチドを得た。
変性ペプチド溶液は、調製例1において調製した変性ペプチド1質量%、1,3−ブチレングリコール3質量%、フェノキシエタノール1質量%、ラウリルジメチルアミノ酢酸ベタイン3質量%及び水(残部)を配合することで調製した。
調製例2の変性ペプチド溶液100質量部にロイシン1質量部(変性ペプチド1質量部に対してロイシン1質量部)を配合し実施例1の毛髪処理剤を調製した。
調製例2の変性ペプチド溶液を比較例1の毛髪処理剤とした。
実施例1及び比較例1の毛髪処理剤について、毛髪への変性ペプチドの定着度合を評価した。その定着度合いは、実施例1又は比較例1の毛髪処理剤で下記方法で処理した毛束のジスルフィド量を下記方法で測定することで評価した。ジスルフィド量の測定結果については図2に示す。なお、ジスルフィド量が多いほど、変性ペプチドの定着度合が高いから、毛髪の補修度合いが高いといえる。
毛束(酸化染毛剤による処理履歴がある毛束)に対する毛髪処理剤による処理は、毛束を実施例1又は比較例1の毛髪処理剤に10秒程度浸漬した後に精製水で10秒程度洗浄し、タオルドライ後にドライヤーで乾燥させることで行った。このような処理を7回行った毛束、14回行った毛束及び28回行った毛束をそれぞれ準備した。
毛髪処理剤で所定回数処理した毛束のジスルフィド量について、「Australian Journal of Chemistry、13(4)、p.547−566」に記載の方法に従って測定した。ただし、MeHgI過剰でのNa2SO3との反応時間は、24時間と、48時間に変更した。また、ジスルフィド量の算出で使用したポーラログラフは、窒素放出機として「DEOXYGEN STAND DS−100(Yanaco社)」、解析装置として「POLAROGRAPHIC ANALYZER P−3000(Yanaco社)」、滴下水銀電極台として「P−1000ST(Yanaco社)」を備えるものを使用した。
Claims (4)
- 下記式(I)で表される構造及びその塩のうちの少なくとも一方の単位を側鎖基として有する変性ペプチドと、ロイシンとが配合された毛髪処理剤。
−S−S−(CH2)n−COOH (I)
(式(I)中、nは、1又は2である。) - 上記ロイシンの含有量が上記変性ペプチド100質量部に対して0.1質量部以上である請求項1に記載の毛髪処理剤。
- 上記変性ペプチドとして、主鎖がケラチンであるものが配合された請求項1又は請求項2に記載の毛髪処理剤。
- ヘアケア剤又はスタイリング剤である請求項1、請求項2又は請求項3に記載の毛髪処理剤。
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