JP2005002063A - Agent for promoting recovery of barrier function of skin - Google Patents

Agent for promoting recovery of barrier function of skin Download PDF

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Publication number
JP2005002063A
JP2005002063A JP2003169122A JP2003169122A JP2005002063A JP 2005002063 A JP2005002063 A JP 2005002063A JP 2003169122 A JP2003169122 A JP 2003169122A JP 2003169122 A JP2003169122 A JP 2003169122A JP 2005002063 A JP2005002063 A JP 2005002063A
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Japan
Prior art keywords
skin
barrier function
recovery
skin barrier
phase
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Pending
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JP2003169122A
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Japanese (ja)
Inventor
Mitsuhiro Denda
光洋 傳田
Shinji Inomata
慎二 猪股
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.)
Shiseido Co Ltd
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Shiseido Co Ltd
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Priority to JP2003169122A priority Critical patent/JP2005002063A/en
Publication of JP2005002063A publication Critical patent/JP2005002063A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To obtain an agent for promoting the recovery of the barrier function of the skin, useful for preventing proliferative abnormality of the skin caused by the reduction in the epidermal function of the skin by promoting the recovery of the barrier function of the skin. <P>SOLUTION: This agent for promoting the recovery of the barrier function of the skin comprises a hydrolyzed fibroin. The agent for promoting the recovery of the barrier function of the skin is usefully utilized by being formulated to a skin care preparation for external use, or the like. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

【0001】
【発明の属する技術分野】
本発明は皮膚バリアー機能回復促進剤に関する。さらに詳しくは、皮膚バリアー機能の回復を促進して、皮膚の表皮機能の低下による表皮増殖性異常等を防止するために有用な皮膚バリアー機能回復促進剤に関する。本発明の皮膚バリアー機能回復促進剤は例えば皮膚外用剤等に配合されて有効に利用される。
【0002】
【従来の技術】
種々の皮膚疾患等に見られる肌荒れ症状においては、皮膚からの水分の消失が、健常な皮膚に比べて盛んであることが知られている。このいわゆる経皮水分蒸散量(TEWL)の増加には、表皮内において水分の保持やバリアーとしての機能を担っていると考えられる成分の減少が関与しているものと考えられてきた。
【0003】
したがって、従来より、皮膚疾患や肌荒れに対して改善・予防効果を有する有効成分として、水分保持機能や皮膚バリアー機能を担う表皮内成分を皮膚に補充するという観点から、NMF(Natural Moisturizing Factor)としてのアミノ 酸や、角質細胞間脂質としての脂質類、その他ヒアルロン酸等のムコ多糖あるいはこれらの類似物質が、安全性も高いことから、化粧料や皮膚外用剤に配合されている。
【0004】
また、最近では、皮膚バリアー機能を担う表皮内成分の生合成を活性化させるような特定の物質が、肌荒れに対して改善効果を有するという報告がなされている(特許文献1)。
【0005】
しかしながら、肌荒れ改善・予防効果を有する物質については多くの研究がなされてきたが、皮膚バリアー機能の改善若しくは回復効果を有する物質についての研究は十分ではなく、皮膚バリアー機能に対する改善効果と肌荒れ改善・予防効果との関係は明らかになっていないため、肌荒れ改善・予防効果がある物質が必ずしも皮膚バリアー機能に対する改善効果があるとは限らない。
【0006】
一方、皮膚バリアー機能が低下すると、皮膚の表皮機能が低下し、表皮増殖性異常等が起こることが報告されている。特に、高齢者の場合は、低下した皮膚バリアー機能の回復には長い時間がかかり、加齢に伴う皮膚の表皮機能の低下による表皮増殖性異常等を防止するために有効な新規の皮膚バリアー機能回復促進剤に開発が要望されていた。
【0007】
このような要望に対して、本出願人は、皮膚バリアー機能の低下、すなわち、TEWLの変化に対して敏速に作用する物質について広く研究した結果、キシリトール、エリスリトール、リブロース、プシコース、ガラクトース、マンニトールがダメージを受けた皮膚バリアー機能を極めて短時間のうちに回復させるという新たな知見を見出し、特許を出願している(特許文献2)。
【0008】
また、本出願人は、L−アルギニン及びその塩、トラネキサム酸メチルアミド及びその塩、亜鉛塩、マグネシウム塩、フルクトース、グリセリン及びカテキンからなる群から選ばれた特定の物質並びに尿素、マンガン塩、ストロンチウム塩、ランタン塩、コバルト塩、亜鉛塩、マグネシウム塩、鉄塩、バリウム塩、ジルチアゼム及びその塩、ベラパミル及びその塩、ニフェジピン及びその塩等のカルシウム拮抗剤またはカルシウム拮抗作用を有する金属塩が、ダメージを受けた皮膚バリアー機能を極めて短時間のうちに回復させるという新たな知見を見出し、特許を出願している(特許文献3の請求項1〜4を参照)。さらには、上記マグネシウム塩に、皮膚バリアー回復促進効果を有しないカルシウム塩を組み合わせると、マグネシウム塩の上記効果が増大するという新たな知見を見出し、特許を出願している(特許文献3の請求項5及び6を参照)。
【0009】
【特許文献1】
特開平9−2952号公報
【特許文献2】
特開2000−103728号公報
【特許文献3】
特開平2000−290135号公報
【0010】
【発明が解決しようとする課題】
本発明の目的は、低下した皮膚バリアー機能を極めて短時間のうちに回復させることができる、さらに有効な新規の皮膚バリアー機能回復促進剤を提供することを目的とする。
【0011】
【課題を解決するための手段】
すなわち、本発明は、加水分解フィブロインからなることを特徴とする皮膚バリアー機能回復促進剤を提供するものである。
【0012】
【発明の実施の形態】
以下、本発明について詳述する。
加水分解フィブロインは、家蚕(Bombyx mori Linnaeus)から得られる絹繊維をアルカリ溶液で溶解し、透析して得られるポリペプタイドである。本発明においては、加水分解フィブロインのエタノール水溶液である市販品(シルクゲンGソルブルKE:一丸ファルコス株式会社)等を利用できる。
加水分解フィブロインは皮膚外用剤あるいは化粧料の配合成分として従来公知の物質であるが、皮膚バリアー機能の回復を促進する効果を有するという報告はこれまでになく、本発明者らによって初めて見出された効果である。
【0013】
本発明において、皮膚バリアー機能の回復を促進するとは、下記(1)の試験において、コントロールとして水を塗布した状態と比較した場合にその回復率において明らかに有意差が認められ、TEWL回復率を促進させる効果を有することを意味する。この効果は、Andrewらの方法(J Invest Dermatol,86;598,1986)に従って、4%のドデシル硫酸ナトリウム(SDS)水溶液をしみ込ませたCotton ballにより皮膚を処理して判定を行ういわゆる肌荒れ改善防止効果とは異なる。
【0014】
(1)ヒトによる皮膚バリアー機能回復促進効果試験方法
皮膚バリアー機能回復促進効果は、ヒトの前腕部の皮膚にテープストリッピングを施すことによって破壊された皮膚バリアー機能がもとの状態へ回復していく過程を経皮水分蒸散量(TEWL)を指標とし、以下の通り評価する。
1.水分蒸散量測定装置MEECO(Meeco社製, Warrington, PA, USA)によりヒト前腕部の経皮水分蒸散量(TEWL)を測定する。この際の値をTEWLの回復率100%とする。
2.皮膚のバリアーを、セロファンテープを使用し、ヒト前腕部の表皮角層を剥がすことにより破壊する。このときTEWLの値が約800〜900となるまでこの作業を繰り返す。角層を剥がした後の測定値から角層を剥がす前の測定値を差し引いた値を、最もダメージの深い状態、即ち回復率0%とする。
3.試験試料を0.95%・100μlを塗布し、その上へラップをのせる。約5分後、それを剥がす。
4.1.5時間経過後、MEECOによりTEWLを測定する。角層除去時と同様、各時間の測定値から角層除去前のTEWL値を差し引き、回復率をもとめる。
即ち、回復率は下記の式に従い算出する。
【式1】

Figure 2005002063
【0015】
本発明の皮膚バリアー機能回復促進剤は、例えば、軟膏、クリーム、乳液、ローション、パック、浴用剤等の化粧料、医薬品、医薬部外品に配合されて、皮膚に適用することが出来る。配合量は特に制限がないが、これらの基剤全量に対して0.0001〜1質量%、好ましくは0.01〜0.001質量%である。
すなわち、本発明の皮膚バリアー機能回復促進剤は、皮膚外用剤等に配合することによって、皮膚バリアー機能の回復を促進して皮膚の表皮機能の低下による表皮増殖性異常等を防止するための極めて有効で簡便な方法を提供出来る。
【0016】
【実施例】
次に、本発明を、実施例を挙げてさらに詳細に説明する。本発明の技術的範囲がこれらの実施例に限定されるものではない。配合量は質量%である。
【0017】
皮膚バリアー機能の回復促進効果を上述の(1)の試験方法で評価し、その結果を図1に示した。本発明の試験試料として、加水分解フィブロインは、市販品の0.6質量%のエタノール水溶液を使用した(シルクゲンGソルブルKE、一丸ファルコス株式会社製)。このエタノール水溶液をさらに希釈して、(1)の方法においては、シルクゲンGソルブルKEの0.095質量%水溶液を、本発明の試験試料として用いた。
(1)の試験方法では、コントロールは水であり、本発明は加水分解フィブロイン0.0057質量%エタノール水溶液である。7名の男性パネルの前腕内側部を用い、回復率はその平均値である。
【0018】
図1から分かるように、加水分解フィブロインを含有する水溶液(本発明)は、極めて低い含有率でありながら、TEWLの回復を短時間から有意に促進している。
【0019】
以下に、本発明の皮膚バリアー機能回復促進剤を皮膚外用剤に配合した場合の配合例を挙げる。加水分解フィブロインは、市販品の加水分解フィブロイン0.6質量%エタノール水溶液(シルクゲンGソルブルKE、一丸ファルコス株式会社製)を配合する。
【0020】
「クリーム」
Figure 2005002063
(製法)
イオン交換水に、シルクゲンGソルブルKE、石鹸粉末、硼砂を加え、加熱して70℃に保つ(水相)。また、他の成分を混合し加熱融解して70℃に保つ(油相)。水相に油相を攪拌しながら徐々に加え、全部加え終わってからしばらくその温度に保つ。その後、ホモミキサーで均一に乳化し、よくかきまぜながら30℃まで冷却し、クリームを得る。
【0021】
「ゼリー」
Figure 2005002063
(製法)
イオン交換水にカルボキシビニルポリマー、シルクゲンGソルブルKEを溶解し、ポリオキシエチレン(50モル)オレイルアルコールエーテルを水相に添加する。次いで、その他の成分を加えた後、水酸化ナトリウムで中和させ増粘し、ゼリーを得る。
【0022】
「パック」
Figure 2005002063
(製法)
A相、B相、C相をそれぞれ均一に溶解し、A相にB相を加えて可溶化する。次いで、これにC相を加えた後、充填を行い、パックを得る。
【0023】
「クリーム」
Figure 2005002063
(製法)
イオン交換水に、シルクゲンGソルブルKE、石鹸粉末、硼砂を加え、加熱して70℃に保つ(水相)。また、他の成分を混合し加熱融解して70℃に保つ(油相)。水相に油相を攪拌しながら徐々に加え、全部加え終わってからしばらくその温度に保つ。その後、ホモミキサーで均一に乳化し、よくかきまぜながら30℃まで冷却し、クリームを得る。
【0024】
「ゼリー」
Figure 2005002063
(製法)
イオン交換水にカルボキシビニルポリマー、シルクゲンGソルブルKEを溶解し、ポリオキシエチレン(50モル)オレイルアルコールエーテルを水相に添加する。次いで、その他の成分を加えた後、水酸化ナトリウムで中和させ増粘し、ゼリーを得る。
【0025】
「パック」
Figure 2005002063
(製法)
A相、B相、C相をそれぞれ均一に溶解し、A相にB相を加えて可溶化する。次いで、これにC相を加えた後、充填を行い、パックを得る。
【0026】
「クリーム」
Figure 2005002063
(製法)
イオン交換水にプロピレングリコールとL−アルギニン塩酸塩とシルクゲンGソルブルKEと苛性カリを加え溶解し、加熱して70℃に保つ(水相)。他の成分を混合し加熱融解して70℃に保つ(油相)。水相に油相を徐々に加え、全部加え終わってからしばらくその温度に保ち反応を起こさせる。その後、ホモミキサーで均一に乳化し、よくかきまぜながら30℃まで冷却する。
【0027】
「クリーム」
Figure 2005002063
(製法)
イオン交換水にL−アルギニン、トラネキサム酸メチルアミド塩酸塩、シルクゲンGソルブルKE、プロピレングリコールを加え、加熱して70℃に保つ(水相)。他の成分を混合し加熱融解して70℃に保つ(油相)。水相に油相を加え予備乳化を行い、ホモミキサーで均一に乳化した後、よくかきまぜながら30℃まで冷却する。
【0028】
「乳液」
Figure 2005002063
(製法)
少量のイオン交換水にカルボキシビニルポリマーを溶解する(A相)。残りのイオン交換水にポリエチレングリコール1500とトリエタノールアミン、シルクゲンGソルブルKE、フルクトースを加え、加熱溶解した70℃に保つ(水相)。他の成分を混合し加熱融解して70℃に保つ(油相)。水相に油相を加え予備乳化を行い、A相を加えホモミキサーで均一に乳化し、乳化後よくかきまぜながら30℃まで冷却する。
【0029】
「乳液」
Figure 2005002063
(製法)
イオン交換水にL−アルギニン、トラネキサム酸メチルアミド塩酸塩、シルクゲンGソルブルKE、プロピレングリコールを加え、加熱して70℃に保つ(水相)。他の成分を混合し加熱融解して70℃に保つ(油相)。油相をかきまぜながら水相を徐々に加え、ホモミキサーで均一に乳化した後、よくかきまぜながら30℃まで冷却する。
【0030】
「乳化型ファンデーション」
Figure 2005002063
(製法)
水相を加熱撹拌後、十分に混合粉砕した粉体部を加えてホモミキサー処理する。更に加熱混合した油相を加えてホモミキサー処理した後、撹拌しながら香料を添加して室温まで冷却する。
【0031】
「浴用剤」
Figure 2005002063
(製法)
上記成分を均一に混合する。
【0032】
下記に、本発明の皮膚バリアー機能回復促進剤を配合する皮膚外用剤のその他の処方例を挙げる。製法は常法による。
【0033】
Figure 2005002063
Figure 2005002063
【0034】
Figure 2005002063
Figure 2005002063
【0035】
Figure 2005002063
【0036】
Figure 2005002063
【0037】
【発明の効果】
本発明によれば、皮膚のバリアー機能の回復を促進するために用いる皮膚バリアー機能回復促進剤を提供できる。
本発明の皮膚バリアー機能回復促進剤は皮膚外用剤や水にわずかに配合するだけで、極めて優れた皮膚バリアー機能回復促進効果を有する皮膚外用剤を提供できる。
【図面の簡単な説明】
【図1】ヒトによる皮膚バリアー機能回復促進効果を、TEWLを指標として評価したグラフである。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a skin barrier function recovery accelerator. More specifically, the present invention relates to a skin barrier function recovery promoter useful for promoting the recovery of skin barrier function and preventing epidermal proliferative abnormalities due to a decrease in skin epidermal function. The skin barrier function recovery accelerator of the present invention is effectively used by being blended in, for example, a skin external preparation or the like.
[0002]
[Prior art]
It is known that in the rough skin symptoms seen in various skin diseases, the loss of moisture from the skin is more active than that of healthy skin. It has been considered that the increase in the so-called transdermal moisture transpiration (TEWL) is associated with a decrease in components that are thought to be responsible for moisture retention and as a barrier in the epidermis.
[0003]
Therefore, as an active ingredient having an improvement / prevention effect on skin diseases and rough skin, NMF (Natural Moisturizing Factor) is conventionally used from the viewpoint of replenishing the skin with an intraepidermal component responsible for a moisture retention function and a skin barrier function. These amino acids, lipids as keratinocyte lipids, and other mucopolysaccharides such as hyaluronic acid or similar substances are also included in cosmetics and skin preparations because of their high safety.
[0004]
Recently, it has been reported that a specific substance that activates biosynthesis of an intraepidermal component responsible for a skin barrier function has an improvement effect on rough skin (Patent Document 1).
[0005]
However, many studies have been made on substances having skin roughening improvement / prevention effects, but studies on substances having an improvement or recovery effect on skin barrier function are not sufficient. Since the relationship with the preventive effect has not been clarified, a substance having an effect of improving / preventing rough skin does not necessarily have an effect of improving the skin barrier function.
[0006]
On the other hand, it has been reported that when the skin barrier function is lowered, the epidermis function of the skin is lowered, and epidermal proliferative abnormality occurs. In particular, in the case of elderly people, it takes a long time to recover the lowered skin barrier function, and a new skin barrier function that is effective in preventing epidermal hyperplasia due to a decrease in skin epidermal function with aging. There has been a demand for development of a recovery accelerator.
[0007]
In response to such a demand, the present applicant has extensively studied a substance that acts rapidly on a decrease in skin barrier function, that is, a change in TEWL. As a result, xylitol, erythritol, ribulose, psicose, galactose, mannitol We have found a new finding that the damaged skin barrier function can be recovered in a very short time, and have applied for a patent (Patent Document 2).
[0008]
In addition, the present applicant has identified a specific substance selected from the group consisting of L-arginine and its salt, tranexamic acid methylamide and its salt, zinc salt, magnesium salt, fructose, glycerin and catechin, as well as urea, manganese salt and strontium salt , Lanthanum salt, cobalt salt, zinc salt, magnesium salt, iron salt, barium salt, diltiazem and its salt, verapamil and its salt, nifedipine and its salt, etc. A new finding that the received skin barrier function is restored within an extremely short time has been found and a patent has been filed (see claims 1 to 4 of Patent Document 3). Furthermore, when the magnesium salt is combined with a calcium salt that does not have a skin barrier recovery promoting effect, the inventors have found a new finding that the effect of the magnesium salt is increased, and filed a patent (Patent Document 3 claim). 5 and 6).
[0009]
[Patent Document 1]
JP-A-9-2952 [Patent Document 2]
JP 2000-103728 A [Patent Document 3]
Japanese Patent Laid-Open No. 2000-290135
[Problems to be solved by the invention]
An object of the present invention is to provide a further effective skin barrier function recovery promoter that can recover a reduced skin barrier function in a very short time.
[0011]
[Means for Solving the Problems]
That is, the present invention provides a skin barrier function recovery promoter characterized by comprising hydrolyzed fibroin.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in detail.
Hydrolyzed fibroin is a polypeptide obtained by dissolving silk fibers obtained from Bombyx mori Linnaeus with an alkaline solution and dialysis. In the present invention, a commercially available product (Silkgen G Solvel KE: Ichimaru Falcos Co., Ltd.) that is an aqueous ethanol solution of hydrolyzed fibroin can be used.
Hydrolyzed fibroin is a conventionally known substance as an ingredient for external preparation for skin or cosmetics, but has never been reported to have an effect of promoting the recovery of skin barrier function, and was first discovered by the present inventors. Effect.
[0013]
In the present invention, to promote the recovery of skin barrier function, in the test of (1) below, when compared with a state where water was applied as a control, a clear significant difference was observed in the recovery rate, and the TEWL recovery rate was It means having the effect of promoting. According to the method of Andrew et al. (J Invest Dermatol, 86; 598, 1986), the skin is treated with a cotton ball soaked with a 4% sodium dodecyl sulfate (SDS) aqueous solution, and the skin roughness is judged by so-called roughening prevention. It is different from the effect.
[0014]
(1) Skin barrier function recovery promotion effect test method by humans The skin barrier function recovery promotion effect is that the skin barrier function destroyed by applying tape stripping to the human forearm skin is restored to the original state. The process is evaluated as follows using transdermal moisture transpiration (TEWL) as an index.
1. The transcutaneous water transpiration (TEWL) of the human forearm is measured with a water transpiration measuring device MEECO (manufactured by Meeco, Warrington, PA, USA). The value at this time is assumed to be a TEWL recovery rate of 100%.
2. The skin barrier is broken using cellophane tape by peeling off the epidermal stratum corneum of the human forearm. At this time, this operation is repeated until the value of TEWL becomes approximately 800 to 900. The value obtained by subtracting the measured value before peeling the stratum corneum from the measured value after peeling the stratum corneum is defined as the deepest damage state, that is, the recovery rate is 0%.
3. Apply 0.95% and 100 μl of the test sample, and place the wrap on top. After about 5 minutes, remove it.
4. After 1.5 hours, measure TEWL by MEECO. As in the case of removing the stratum corneum, the TEWL value before removal of the stratum corneum is subtracted from the measured value at each time to obtain the recovery rate.
That is, the recovery rate is calculated according to the following formula.
[Formula 1]
Figure 2005002063
[0015]
The skin barrier function recovery promoter of the present invention can be applied to the skin by being blended in cosmetics such as ointments, creams, emulsions, lotions, packs, bath preparations, pharmaceuticals, and quasi drugs. Although there is no restriction | limiting in particular in a compounding quantity, It is 0.0001-1 mass% with respect to these bases whole quantity, Preferably it is 0.01-0.001 mass%.
That is, the skin barrier function recovery promoter of the present invention is extremely useful for promoting recovery of the skin barrier function and preventing epidermal growth abnormality due to a decrease in the skin function of the skin by being blended with an external skin preparation or the like. An effective and simple method can be provided.
[0016]
【Example】
Next, the present invention will be described in more detail with reference to examples. The technical scope of the present invention is not limited to these examples. A compounding quantity is the mass%.
[0017]
The recovery promoting effect of the skin barrier function was evaluated by the test method (1) described above, and the results are shown in FIG. As a test sample of the present invention, a commercially available 0.6 mass% ethanol aqueous solution was used as the hydrolyzed fibroin (Silkgen G Solvel KE, manufactured by Ichimaru Falcos Co., Ltd.). This ethanol aqueous solution was further diluted, and in the method (1), a 0.095 mass% aqueous solution of Silken G Soluble KE was used as a test sample of the present invention.
In the test method (1), the control is water, and the present invention is a hydrolyzed fibroin 0.0057 mass% ethanol aqueous solution. Using the inner forearm of 7 male panels, the recovery rate is the average value.
[0018]
As can be seen from FIG. 1, the aqueous solution containing hydrolyzed fibroin (the present invention) significantly promotes the recovery of TEWL from a short time while having a very low content.
[0019]
Below, the example of a mixing | blending at the time of mix | blending the skin barrier function recovery promoter of this invention with a skin external preparation is given. Hydrolyzed fibroin mix | blends the commercially available hydrolysis fibroin 0.6 mass% ethanol aqueous solution (Silkgen G Solvel KE, Ichimaru Falcos Co., Ltd. product).
[0020]
"cream"
Figure 2005002063
(Manufacturing method)
Add SILKGEN G Solvel KE, soap powder, and borax to ion-exchanged water, and heat to maintain at 70 ° C. (aqueous phase). Moreover, other components are mixed, heated and melted, and kept at 70 ° C. (oil phase). The oil phase is gradually added to the aqueous phase with stirring, and the temperature is maintained for a while after the addition is complete. Thereafter, it is uniformly emulsified with a homomixer and cooled to 30 ° C. while stirring well to obtain a cream.
[0021]
"jelly"
Figure 2005002063
(Manufacturing method)
Dissolve the carboxyvinyl polymer, SILKGEN G Solvel KE in ion exchanged water, and add polyoxyethylene (50 mol) oleyl alcohol ether to the aqueous phase. Next, after adding other components, the mixture is neutralized and thickened with sodium hydroxide to obtain a jelly.
[0022]
"pack"
Figure 2005002063
(Manufacturing method)
A phase, B phase, and C phase are uniformly dissolved, and B phase is added to A phase to solubilize. Next, after adding Phase C to this, filling is performed to obtain a pack.
[0023]
"cream"
Figure 2005002063
(Manufacturing method)
Add SILKGEN G Solvel KE, soap powder, and borax to ion-exchanged water, and heat to maintain at 70 ° C. (aqueous phase). Moreover, other components are mixed, heated and melted, and kept at 70 ° C. (oil phase). The oil phase is gradually added to the aqueous phase with stirring, and the temperature is maintained for a while after the addition is complete. Thereafter, it is uniformly emulsified with a homomixer and cooled to 30 ° C. while stirring well to obtain a cream.
[0024]
"jelly"
Figure 2005002063
(Manufacturing method)
Dissolve the carboxyvinyl polymer, SILKGEN G Solvel KE in ion exchanged water, and add polyoxyethylene (50 mol) oleyl alcohol ether to the aqueous phase. Next, after adding other components, the mixture is neutralized and thickened with sodium hydroxide to obtain a jelly.
[0025]
"pack"
Figure 2005002063
(Manufacturing method)
A phase, B phase, and C phase are uniformly dissolved, and B phase is added to A phase to solubilize. Next, after adding Phase C to this, filling is performed to obtain a pack.
[0026]
"cream"
Figure 2005002063
(Manufacturing method)
Propylene glycol, L-arginine hydrochloride, Silken G Solvel KE and caustic potash are added to ion-exchanged water, dissolved, heated and maintained at 70 ° C. (aqueous phase). The other ingredients are mixed, heated and melted, and kept at 70 ° C. (oil phase). The oil phase is gradually added to the aqueous phase, and after the addition is complete, the temperature is maintained for a while to cause the reaction. Thereafter, the mixture is uniformly emulsified with a homomixer and cooled to 30 ° C. while stirring well.
[0027]
"cream"
Figure 2005002063
(Manufacturing method)
L-arginine, tranexamic acid methylamide hydrochloride, Silken G Solvel KE, and propylene glycol are added to ion-exchanged water and heated to 70 ° C. (aqueous phase). The other ingredients are mixed, heated and melted, and kept at 70 ° C. (oil phase). Preliminarily emulsify by adding an oil phase to the aqueous phase, uniformly emulsify with a homomixer, and then cool to 30 ° C. while stirring well.
[0028]
"Latex"
Figure 2005002063
(Manufacturing method)
Dissolve the carboxyvinyl polymer in a small amount of ion-exchanged water (A phase). Polyethylene glycol 1500, triethanolamine, Silken G Solvel KE, and fructose are added to the remaining ion-exchanged water, and the mixture is heated and dissolved and maintained at 70 ° C. (aqueous phase). The other ingredients are mixed, heated and melted, and kept at 70 ° C. (oil phase). Add the oil phase to the water phase, preliminarily emulsify, add the A phase, uniformly emulsify with a homomixer, and cool to 30 ° C. while stirring well after emulsification.
[0029]
"Latex"
Figure 2005002063
(Manufacturing method)
L-arginine, tranexamic acid methylamide hydrochloride, Silken G Solvel KE, and propylene glycol are added to ion-exchanged water and heated to 70 ° C. (aqueous phase). The other ingredients are mixed, heated and melted, and kept at 70 ° C. (oil phase). The water phase is gradually added while stirring the oil phase, and the mixture is uniformly emulsified with a homomixer, and then cooled to 30 ° C. while stirring well.
[0030]
"Emulsifying foundation"
Figure 2005002063
(Manufacturing method)
After the aqueous phase is heated and stirred, the powder part sufficiently mixed and pulverized is added and homomixed. Furthermore, after adding the heat-mixed oil phase and carrying out a homomixer process, a fragrance | flavor is added with stirring and it cools to room temperature.
[0031]
"Bath preparation"
Figure 2005002063
(Manufacturing method)
Mix the above ingredients uniformly.
[0032]
Below, the other formulation example of the skin external preparation which mix | blends the skin barrier function recovery promoter of this invention is given. The manufacturing method is a conventional method.
[0033]
Figure 2005002063
Figure 2005002063
[0034]
Figure 2005002063
Figure 2005002063
[0035]
Figure 2005002063
[0036]
Figure 2005002063
[0037]
【The invention's effect】
ADVANTAGE OF THE INVENTION According to this invention, the skin barrier function recovery promoter used in order to accelerate | stimulate recovery of the barrier function of skin can be provided.
The skin barrier function recovery-promoting agent of the present invention can provide a skin external preparation having an extremely excellent skin barrier function recovery-promoting effect by being slightly blended with a skin external preparation or water.
[Brief description of the drawings]
FIG. 1 is a graph in which the effect of promoting the recovery of skin barrier function by humans is evaluated using TEWL as an index.

Claims (1)

加水分解フィブロインからなることを特徴とする皮膚バリアー機能回復促進剤。A skin barrier function recovery promoter comprising hydrolyzed fibroin.
JP2003169122A 2003-06-13 2003-06-13 Agent for promoting recovery of barrier function of skin Pending JP2005002063A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107073074A (en) * 2014-06-12 2017-08-18 阿丹有限公司 Ointment and its manufacture method comprising hydrolysis fibroin

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JPS574909A (en) * 1980-06-10 1982-01-11 Kanebo Ltd Coating film-type pack
JPS5815905A (en) * 1982-06-15 1983-01-29 Ichimaru Fuarukosu Kk Skin cosmetic containing solubilized silk peptide
JPS6147407A (en) * 1984-08-10 1986-03-07 Shiseido Co Ltd External remedy for skin
JPH04187235A (en) * 1990-11-16 1992-07-03 Seiwa Kasei:Kk Gelatinous composition
JPH0578232A (en) * 1991-09-18 1993-03-30 Ajinomoto Co Inc Bathing agent
JPH06157234A (en) * 1992-11-30 1994-06-03 Pentel Kk Liquid cosmetic
JPH0827186A (en) * 1994-07-15 1996-01-30 Kawaken Fine Chem Co Ltd New silk fibroin peptide, its production and cosmetic and detergent composition containing the same
JP2001002574A (en) * 1999-06-17 2001-01-09 Shiseido Co Ltd Accelerator for recovering skin barrier function
JP2002302432A (en) * 2001-04-03 2002-10-18 Noevir Co Ltd Skin care preparation
JP2002326919A (en) * 2001-05-02 2002-11-15 Kanebo Ltd Gel-shaped composition and method for producing the same
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JPS574909A (en) * 1980-06-10 1982-01-11 Kanebo Ltd Coating film-type pack
JPS5815905A (en) * 1982-06-15 1983-01-29 Ichimaru Fuarukosu Kk Skin cosmetic containing solubilized silk peptide
JPS6147407A (en) * 1984-08-10 1986-03-07 Shiseido Co Ltd External remedy for skin
JPH04187235A (en) * 1990-11-16 1992-07-03 Seiwa Kasei:Kk Gelatinous composition
JPH0578232A (en) * 1991-09-18 1993-03-30 Ajinomoto Co Inc Bathing agent
JPH06157234A (en) * 1992-11-30 1994-06-03 Pentel Kk Liquid cosmetic
JPH0827186A (en) * 1994-07-15 1996-01-30 Kawaken Fine Chem Co Ltd New silk fibroin peptide, its production and cosmetic and detergent composition containing the same
JP2001002574A (en) * 1999-06-17 2001-01-09 Shiseido Co Ltd Accelerator for recovering skin barrier function
JP2002302432A (en) * 2001-04-03 2002-10-18 Noevir Co Ltd Skin care preparation
JP2002326919A (en) * 2001-05-02 2002-11-15 Kanebo Ltd Gel-shaped composition and method for producing the same
JP2003055218A (en) * 2001-08-09 2003-02-26 Sekisui Chem Co Ltd Skin care composition
JP2003095913A (en) * 2001-09-21 2003-04-03 Ichimaru Pharcos Co Ltd Cosmetic composition or food and drink
JP2003176218A (en) * 2001-12-12 2003-06-24 Aioi Hakko:Kk Skin care preparation

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107073074A (en) * 2014-06-12 2017-08-18 阿丹有限公司 Ointment and its manufacture method comprising hydrolysis fibroin
EP3156065A4 (en) * 2014-06-12 2017-12-20 Adan Co., Ltd. Hydrolyzed fibroin-containing ointment and production method therefor

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