JP5031135B2 - Steam generator - Google Patents

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Publication number
JP5031135B2
JP5031135B2 JP37521799A JP37521799A JP5031135B2 JP 5031135 B2 JP5031135 B2 JP 5031135B2 JP 37521799 A JP37521799 A JP 37521799A JP 37521799 A JP37521799 A JP 37521799A JP 5031135 B2 JP5031135 B2 JP 5031135B2
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Japan
Prior art keywords
water vapor
water
skin
generator
generating composition
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JP2001187727A (en
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徹 吉原
智重 梅田
修司 石川
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Kao Corp
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Kao Corp
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F7/02Compresses or poultices for effecting heating or cooling
    • A61F7/03Compresses or poultices for effecting heating or cooling thermophore, i.e. self-heating, e.g. using a chemical reaction
    • A61F7/032Compresses or poultices for effecting heating or cooling thermophore, i.e. self-heating, e.g. using a chemical reaction using oxygen from the air, e.g. pocket-stoves
    • A61F7/034Flameless
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F2007/0059Heating or cooling appliances for medical or therapeutic treatment of the human body with an open fluid circuit
    • A61F2007/006Heating or cooling appliances for medical or therapeutic treatment of the human body with an open fluid circuit of gas
    • A61F2007/0062Heating or cooling appliances for medical or therapeutic treatment of the human body with an open fluid circuit of gas the gas being steam or water vapour

Description

【0001】
【発明の属する技術分野】
本発明は、皮膚や粘膜に、温熱水蒸気と共に化粧料成分又は薬剤成分を持続的に供給し、それらが効率よく経皮的に吸収されるようにする水蒸気発生体に関する。
【0002】
【従来の技術】
従来より、皮膚に適度に加熱された水蒸気を供給し、それにより皮膚の血行を促進させ、また、皮膚を好ましい保湿状態に維持あるいは改善するため、スチーム美顔器、蒸しタオル等が利用されている。
【0003】
【発明が解決しようとする課題】
しかしながら、スチーム美顔器や蒸しタオルは任意の場所で随時利用できるとは限らない。また、スチーム美顔器は、顔以外の身体の任意の部位に利用することが困難である。さらに、蒸しタオルは、十分な蒸気を供給できる維持時間が短いという問題もある。
【0004】
これに対して、本発明者らは、WO99/51174号公報において、簡便に水蒸気を発生させる水蒸気発生体として、金属粉、塩類及び水を含有し、金属粉の酸化反応に伴って水蒸気を放出する水蒸気発生組成物を透湿性シートからなる袋に入れた水蒸気発生体を開示した。さらに、この水蒸気発生体の表面に化粧料層あるいは薬剤層を設け、水蒸気と共に化粧料成分や薬剤成分が放出されるようにすると、単に皮膚を温熱した場合に発汗によってその皮膚に供給される水分よりも、水蒸気発生部から供給される水分によって、皮膚が速やかに十分な湿潤状態におかれ、かつ、その水分による湿潤状態が長時間にわたって持続されるため、化粧料成分や薬剤成分の皮膚への浸透が促進され、これらの使用効果が高められることを開示した。
【0005】
しかしながら、化粧料層や薬剤層を水蒸気発生体の表面に設けると、化粧料や薬剤が短時間で消費されてしまうため、水蒸気発生体からの水蒸気の放出が長時間続いても化粧料成分や薬剤成分の供給は長時間は持続せず、さらに、場合によっては化粧料成分や薬剤成分が皮膚表面で高濃度になるため、皮膚障害が引き起こされるという危険があった。
【0006】
そこで、本発明は、水蒸気発生体から放出される水蒸気を用いて化粧料や薬剤を皮膚や粘膜に適用するにあたり、より安全性を高め、かつ化粧料成分や薬剤成分が持続的に皮膚や粘膜に供給されるようにすることを目的とする。
【0007】
【課題を解決するための手段】
本発明者らは、水蒸気発生源として、金属粉、塩類及び水を含有し、金属粉の酸化反応に伴って水蒸気を放出する水蒸気発生組成物を使用する場合に、その水蒸気発生組成物中に化粧料成分又は薬剤成分を分散させると、水蒸気発生組成物からの水蒸気の放出に伴って化粧料成分や薬剤成分も徐々に放出されるので、化粧料成分や薬剤成分が皮膚や粘膜上で必要以上に高濃度になることを防止でき、かつ化粧料成分や薬剤成分を持続的に皮膚や粘膜に供給できることを見出し、本発明を完成させた。
【0008】
即ち、本発明は、金属粉、塩類及び水からなり、金属粉の酸化に伴って水蒸気を放出する水蒸気発生組成物を有する水蒸気発生体であって、水蒸気発生組成物中に化粧料成分又は薬剤成分を分散させた水蒸気発生体を提供する。
【0009】
【発明の実施の形態】
以下、本発明を詳細に説明する。
【0010】
本発明の水蒸気発生体は、水蒸気発生源として、金属粉、塩類及び水からなり、金属粉の酸化に伴って水蒸気を放出する水蒸気発生組成物を使用し、この水蒸気組成物中に化粧料成分又は薬剤成分を分散させ、水蒸気発生組成物からの水蒸気の放出に伴って、水蒸気発生組成物中に分散させた化粧料成分や薬剤成分が徐々に放出され、水蒸気と共に皮膚や粘膜に供給されるようにしたものである。
【0011】
ここで、水蒸気とは、水が気化して気体になったもの及びその気体が凝縮して微細な水滴になったものの双方を含む。
【0012】
また、本発明において、水蒸気発生体を皮膚又は粘膜に適用するとは、水蒸気発生体を皮膚や粘膜の適用部位に直接的に貼付することにより、その適用部位へ水蒸気が供給されるようにすること、あるいは水蒸気が吸引等により間接的に適用部位へ供給されるようにすることをいう。
【0013】
水蒸気発生組成物としては、金属粉(鉄、アルミニウム、亜鉛、銅等)、塩類(塩化ナトリウム、塩化カリウム、塩化カルシウム、塩化マグネシウム等)及び水を含有し、金属粉の酸化反応に伴って水蒸気を放出するものを使用する。この水蒸気発生組成物には、必要に応じて保水剤(バーミキュライト、ケイ酸カルシウム、シリカゲル、シリカ系多孔質物質、アルミナ、パルプ、木粉、吸水性ポリマー等)や、反応促進剤(活性炭、カーボンブラック、黒鉛等)等の種々の成分を含有させることができる。
【0014】
この酸化反応では、例えば、金属粉として鉄粉を用いた場合、次式
【0015】
【化1】
Fe+(3/4)O2+(3/2)H2O→Fe(OH)3+96kcal
のように、鉄粉が発熱反応をおこし、系内の水が水蒸気として放出される。
【0016】
このような金属粉の発熱反応は、一般に化学カイロと称されている発熱体で利用されているものである。しかしながら、従来の化学カイロは基本的に温熱具として構成されているので、適度な通気性を有し、かつ、反応に必要な水が発熱体から逃げないように留意されている。そのため、化学カイロの発熱体を収容する袋は、通気性は有するが、積極的に透湿性素材で構成することはなされていない。これに対し、本発明では、水蒸気発生組成物を水蒸気発生源として積極的に利用するため、後述するように、皮膚又は粘膜に適用される面を透湿性シートから構成するので、従来の化学カイロにおける同様の組成物の利用方法とは大きく異なる。
【0017】
化粧料や薬剤の種類としては特に制限はないが、加熱により、あるいは水蒸気の供給により、化粧料成分や薬剤成分が徐々に持続的に放出されるものが好ましい。具体例としては、アンジェリカ種子油、ペパーミント油、イランイラン油、コリアンダー油、サンダルウッド油、ユーカリ油、シダーウッド油、ジャスミン油、ジンジャー油、ティートリー油、パイン油、ニクズク油、パチュリー油、ベルガモット油、ベチバー油、パルマローザ油、マージョラム油、テレビン油、ローズウッド油、ローズマリー油、ラベンダー油、杉胚油等の精油類;
カンフル、ゲラニオール、メントール、シトラール、シトロネロール、シネオール、α−セドレン、セドロール、テルピネオール、テルピネン、ネロール、ネロリドール、パチュリーアルコール、ピネン、フェニルエチルアルコール、ベチベロール、ベンジルアセテート、ベンジルアルコール、ボルネオール、リナリルアセテート、リナロール、リモネン、ヒノキチオール等の香り成分;
アロエエキス、海藻エキス、カモミラエキス、センブリエキス、トウキエキス、マロニエエキス、メリッサエキス、ハマメリスエキス、ユーカリエキス、ローズマリーエキス、アザミエキス等の植物エキス類;
デカメチルテトラシロキサン、デカメチルシクロペンタシロキサン、オクタメチルトリシロキサン、オクタメチルシクロテトラシロキサン等のシリコン類、
プロピレングリコール、エチレングリコール、ジエチレングリコールアルキルエーテル等のポリオール類;
ニコチン酸トコフェロール、酢酸トコフェロール、ニコチン酸アミド等の血行促進成分;
L−アスコルビン酸、アルブチン、コウジ酸、プラセンタエキス、カミツレエキス、茶エキス、カッコンエキス、カンゾウエキス等の美白剤成分;
エストラジオール、スルホ石炭酸亜鉛、酸化亜鉛、ローヤルゼリー、10−ヒドロキシウンデカン酸、12−ヒドロキシステアリン酸等の皮脂分泌抑制剤成分;
天然保湿成分(NMT)、SAアミノ酸、ピロリドンカルボン酸等の保湿剤成分;
セラミド類、リン脂質、高級脂肪酸類等の脂質成分;
インドメタシン、サリチル酸メチル等の抗炎症剤;
パパイン等のプロテアーゼ等からなるピーリング剤;
チオグリコール酸カルシウム等の除毛剤;
をあげることができる。
【0018】
化粧料成分や薬剤成分を水蒸気発生組成物中に分散させる方法としては、例えば、当該化粧料成分又は薬剤成分が水溶性の場合には水に溶解させ、水不溶性の場合には水に分散させて水蒸気発生組成物中に添加する。後者の場合、非イオン界面活性剤等の分散剤を用いると水中での分散が容易になるので好ましい。
【0019】
本発明においては、皮膚や粘膜への水蒸気供給効果の点から、水蒸気発生体の皮膚又は粘膜への適用面から放出される水蒸気量を0.01mg/cm2・min以上、特に、0.5mg/cm2・min以上とすることが好ましい。なお、この水蒸気放出量は、室温環境(20℃、65%RH)下で水蒸気発生体を外気遮断容器から取り出し、直ちに1mgの単位まで測定可能な上皿天秤に載せ、その後15分間重量測定を行った場合において、測定開始時の重量をWt0(g)とし、15分後の重量をWt15(g)とし、水蒸気発生体表面の皮膚又は粘膜に適用する部分の表面積をS(cm2)としたときに、以下の式(1)により算出されるものである。
【0020】
【数1】
水蒸気放出量(mg/cm2・min)=(Wt0−Wt15)・1000/15S
(1)
【0021】
水蒸気発生組成物は、任意形状の袋体等に収容されて用いられるが、水蒸気発生体の皮膚又は粘膜への適用面からの水蒸気放出量を0.01mg/cm2・min以上、特に、0.5mg/cm2・min以上とするためには、水蒸気発生組成物を収容する袋体等の構成素材を透湿性シートとする。この透湿性シートとしては、ASTM法による透湿量が4000g/m2・24h以上のものが好ましく、8000g/m2・24h以上のものがより好ましい。透湿性シートの具体例としては、種々の人工繊維又は天然繊維からなる織布、不織布、紙、合成紙等をあげることができる。また、非通気性フィルム又はシートに多数の微孔を設けたものも使用できる。
【0022】
また、本発明の水蒸気発生体においては、温熱水蒸気の持続的供給による皮膚や粘膜の傷害を防止するため、水蒸気発生体表面から放出される水蒸気の温度を50℃以下に制御することが好ましい。このための方法としては、例えば、水蒸気発生組成物の収容部と水蒸気発生体表面との間に、織布、不織布、紙、多孔性フィルム、穿孔した発泡プラスチック等からなる温度調節材を設け、水蒸気発生組成物から放出された水蒸気が温度調節材を透過することにより温度が下がるようにする方法、水蒸気発生体表面と皮膚又は粘膜の貼付部位との間に空隙を設ける方法、水蒸気発生組成物で使用する金属粉や塩類の量や粒径を適宜変えることにより反応速度を調整し、これにより水蒸気発生体表面から放出される水蒸気温度を制御する方法等をあげることができる。
【0023】
なお、本発明において、水蒸気発生体から放出される水蒸気温度を50℃以下に制御するにあたり、その温度測定はJIS S4100使い捨てカイロの温度測定法に準じる。
【0024】
本発明の水蒸気発生体は、水蒸気発生組成物中に化粧料成分又は薬剤成分が分散されて含有されている限り、種々の形態をとることができる。例えば、水蒸気発生組成物を収容する袋体は、その全体を透湿性シートから構成してもよいが、皮膚又は粘膜への適用側面を透湿性シートから構成し、他面を非透湿性又は低透湿性シートから構成してもよい。これにより、水蒸気発生組成物から放出される水蒸気を皮膚又は粘膜の方向へ効率よく向けることができる。
【0025】
また、本発明の水蒸気発生体の保管時には、外気と遮断できる任意の容器や袋に密封すればよい。
【0026】
【実施例】
以下、実施例に基づき、本発明を具体的に説明する。
【0027】
実施例1
表1に示す成分を用いて、ラベンダー油を含有する水蒸気発生組成物を次のように調製した。まず、吸水性ポリマー、活性炭及びバーミキュライトの混合粉末を得、一方、ラベンダー油を非イオン界面活性剤で分散して15%食塩水と混合し、これを先の混合粉末と混合し、続いて鉄粉と混合した。
【0028】
図1に示すように、得られた水蒸気発生組成物1aの20gを、透湿性不織布(三井化学社製、商品名:シンテックスMB、坪量15g/m2)からなる内袋2に収容し、これを、ポケット部3を有するガーゼマスク4の当該ポケット部3に、温度調節材5として2層の不織布(本州キノクロス社製、商品名:キノクロスKS−40と、日本バイリーン社製、商品名:バイフォームエアーバックKNP−350とを積層したもの)と共に入れ、マスク型の水蒸気発生体10Aとした。
【0029】
このマスク型の水蒸気発生体10Aをかけると、沈静効果のあるラベンダー油の香りを、38〜45℃の暖かい水蒸気と共に15分間吸入することができた。
【0030】
【表1】

Figure 0005031135
【0031】
実施例2
表2に示す成分を用いて、ユーカリエキスを含有する水蒸気発生組成物を次のように調製した。まず、吸水性ポリマー、活性炭及びバーミキュライトの混合粉末を得、一方、ユーカリエキスを15%食塩水と混合し、これを先の混合粉末と混合し、続いて鉄粉と混合した。
【0032】
図2に示すように、得られた水蒸気発生組成物1bの10gを、裏面2bが通気性を有するシート(日東電工社製 商品名:ブレスロン)からなり、表面2aが透湿性不織布(三井化学社製 商品名:シンテックスMB 坪量15g/m2)からなる内袋2に収容し、これに温度調節材5として2層の不織布(本州キノクロス社製、商品名:キノクロスKS−40と、日本バイリーン社製、商品名:バイフォームエアーバックKNP−350とを積層したもの)を重ね、全体を透湿性不織布(三井化学社製 商品名:シンテックスMB 坪量15g/m2)からなる外袋6に収容し、その表面の周縁部に粘着剤層7を設けた貼付タイプの水蒸気発生体10Bを作製した。
【0033】
この貼付タイプの水蒸気発生体10Bを前腕の皮膚に貼付したところ、約2時間連続して、肌の過敏症を抑制するユーカリエキスが38〜45℃の水蒸気の作用で皮膚に浸透し、高いスキンケア効果が得られた。
【0034】
【表2】
Figure 0005031135
【0035】
【発明の効果】
本発明によれば、温熱水蒸気と共に、化粧料成分や薬剤成分を徐々にかつ持続的に皮膚あるいは粘膜に適用することができる。
【図面の簡単な説明】
【図1】 実施例の水蒸気発生体の平面図(同図(a))及び断面図(同図(b))である。
【図2】 実施例の水蒸気発生体の平面図(同図(a))及び断面図(同図(b))である。
【符号の説明】
1a、1b 水蒸気発生組成物
2 内袋
3 ポケット部
4 マスク
5 温度調節材
6 外袋
7 粘着剤層
10A、10B 水蒸気発生体[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a water vapor generator that continuously supplies cosmetic ingredients or pharmaceutical ingredients together with hot water vapor to the skin and mucous membranes so that they can be efficiently transdermally absorbed.
[0002]
[Prior art]
Conventionally, steam facial instruments, steamed towels, etc. have been used to supply moderately heated water vapor to the skin, thereby promoting blood circulation of the skin and maintaining or improving the skin in a preferred moisturizing state. .
[0003]
[Problems to be solved by the invention]
However, steam facial instruments and steam towels are not always available at any place. Moreover, it is difficult to use the steam facial device for any part of the body other than the face. Furthermore, the steam towel has a problem that the maintenance time for supplying sufficient steam is short.
[0004]
On the other hand, the present inventors, in WO99 / 51174, contain metal powder, salts and water as a water vapor generator that easily generates water vapor, and release water vapor along with the oxidation reaction of the metal powder. A water vapor generating body in which a water vapor generating composition is put in a bag made of a moisture permeable sheet is disclosed. Furthermore, when a cosmetic layer or a drug layer is provided on the surface of the water vapor generator so that the cosmetic component or drug component is released together with the water vapor, the moisture supplied to the skin by sweating when the skin is simply heated. Rather than the moisture supplied from the water vapor generating part, the skin is quickly and sufficiently moistened, and the moistened state by the water is maintained for a long time. It has been disclosed that the penetration of water is promoted and the effect of using these is enhanced.
[0005]
However, if a cosmetic layer or a drug layer is provided on the surface of the water vapor generator, the cosmetic or drug is consumed in a short time, so even if the release of water vapor from the water vapor generator continues for a long time, The supply of the drug component does not last for a long time. Further, in some cases, the cosmetic component and the drug component have a high concentration on the skin surface, and there is a risk of causing skin damage.
[0006]
Therefore, the present invention improves the safety in applying cosmetics and drugs to the skin and mucous membranes using water vapor released from the water vapor generator, and the cosmetic ingredients and drug components are continuously applied to the skin and mucous membranes. It aims to be supplied to.
[0007]
[Means for Solving the Problems]
When the present inventors use a water vapor generating composition that contains metal powder, salts and water as a water vapor generating source and releases water vapor along with the oxidation reaction of the metal powder, Dispersing cosmetic ingredients or pharmaceutical ingredients gradually releases the cosmetic ingredients and pharmaceutical ingredients as the water vapor is released from the water vapor generating composition, so the cosmetic ingredients and pharmaceutical ingredients are necessary on the skin and mucous membranes. The present inventors have found that it is possible to prevent the concentration from becoming higher and to continuously supply cosmetic ingredients and pharmaceutical ingredients to the skin and mucous membranes, thereby completing the present invention.
[0008]
That is, the present invention is a water vapor generating body comprising a metal powder, a salt and water, and having a water vapor generating composition that releases water vapor upon oxidation of the metal powder, and the cosmetic ingredient or drug in the water vapor generating composition A water vapor generator in which components are dispersed is provided.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in detail.
[0010]
The water vapor generating body of the present invention comprises a water vapor generating composition comprising a metal powder, a salt and water as a water vapor generating source and releasing water vapor upon oxidation of the metal powder, and a cosmetic ingredient in the water vapor composition Or, as the drug component is dispersed and the water vapor is released from the water vapor generating composition, the cosmetic component and the drug component dispersed in the water vapor generating composition are gradually released and supplied to the skin and mucous membrane together with the water vapor. It is what I did.
[0011]
Here, the water vapor includes both water vaporized into a gas and water condensed into fine water droplets.
[0012]
In the present invention, the application of the water vapor generator to the skin or mucous membrane means that the water vapor generator is directly applied to the application site of the skin or mucous membrane so that the water vapor is supplied to the application site. Alternatively, it means that water vapor is indirectly supplied to the application site by suction or the like.
[0013]
The water vapor generating composition contains metal powder (iron, aluminum, zinc, copper, etc.), salts (sodium chloride, potassium chloride, calcium chloride, magnesium chloride, etc.) and water. Use one that releases This water vapor generating composition includes a water retention agent (vermiculite, calcium silicate, silica gel, silica-based porous material, alumina, pulp, wood powder, water-absorbing polymer, etc.) and a reaction accelerator (activated carbon, carbon if necessary). Various components such as black and graphite can be contained.
[0014]
In this oxidation reaction, for example, when iron powder is used as the metal powder, the following formula:
[Chemical 1]
Fe + (3/4) O 2 + (3/2) H 2 O → Fe (OH) 3 +96 kcal
As described above, the iron powder causes an exothermic reaction, and water in the system is released as water vapor.
[0016]
Such an exothermic reaction of the metal powder is used in a heating element generally called a chemical warmer. However, since a conventional chemical warmer is basically configured as a heating tool, it has an appropriate air permeability, and care is taken so that water necessary for the reaction does not escape from the heating element. For this reason, the bag that accommodates the heating element of the chemical warmer has air permeability, but is not actively composed of a moisture permeable material. On the other hand, in the present invention, since the water vapor generating composition is actively used as a water vapor generating source, the surface to be applied to the skin or mucous membrane is composed of a moisture permeable sheet as will be described later. This is very different from the method of using the same composition.
[0017]
There are no particular restrictions on the types of cosmetics and drugs, but those in which the cosmetic ingredients and drug ingredients are gradually and continuously released by heating or by the supply of water vapor are preferred. Specific examples include Angelica seed oil, peppermint oil, ylang ylang oil, coriander oil, sandalwood oil, eucalyptus oil, cedarwood oil, jasmine oil, ginger oil, tea tree oil, pine oil, nutmeg oil, patchouli oil, bergamot oil, Essential oils such as vetiver oil, palmarosa oil, marjoram oil, turpentine oil, rosewood oil, rosemary oil, lavender oil, cedar embryo oil;
Camphor, geraniol, menthol, citral, citronellol, cineole, α-cedrene, cedrol, terpineol, terpinene, nerol, nerolidol, patchouli alcohol, pinene, phenylethyl alcohol, vetiverol, benzyl acetate, benzyl alcohol, borneol, linalyl acetate, linalool Fragrance ingredients such as limonene, hinokitiol;
Plant extracts such as aloe extract, seaweed extract, chamomile extract, assembly extract, toki extract, maroni extract, melissa extract, hamamelis extract, eucalyptus extract, rosemary extract, thistle extract;
Silicons such as decamethyltetrasiloxane, decamethylcyclopentasiloxane, octamethyltrisiloxane, octamethylcyclotetrasiloxane,
Polyols such as propylene glycol, ethylene glycol, diethylene glycol alkyl ether;
Blood circulation promoting components such as tocopherol nicotinate, tocopherol acetate and nicotinamide;
Whitening ingredients such as L-ascorbic acid, arbutin, kojic acid, placenta extract, chamomile extract, tea extract, cuckoo extract, licorice extract;
Sebum secretion inhibitor components such as estradiol, zinc sulfocolate, zinc oxide, royal jelly, 10-hydroxyundecanoic acid, 12-hydroxystearic acid;
Moisturizing ingredients such as natural moisturizing ingredients (NMT), SA amino acids, pyrrolidone carboxylic acids;
Lipid components such as ceramides, phospholipids, higher fatty acids;
Anti-inflammatory agents such as indomethacin, methyl salicylate;
Peeling agent composed of protease such as papain;
Hair removal agents such as calcium thioglycolate;
Can give.
[0018]
Examples of the method for dispersing the cosmetic component or the drug component in the water vapor generating composition include, for example, dissolving the cosmetic component or the drug component in water when the cosmetic component or the drug component is water-soluble, and dispersing it in water when the water-insoluble composition is insoluble. Added to the steam generating composition. In the latter case, it is preferable to use a dispersant such as a nonionic surfactant because it facilitates dispersion in water.
[0019]
In the present invention, from the viewpoint of the effect of supplying water vapor to the skin and mucous membrane, the amount of water vapor released from the application surface of the water vapor generator to the skin or mucous membrane is 0.01 mg / cm 2 · min or more, particularly 0.5 mg. / Cm 2 · min or more is preferable. The amount of water vapor released was taken out from the outside air blocking container under a room temperature environment (20 ° C., 65% RH), immediately placed on a pan balance capable of measuring 1 mg, and then weighed for 15 minutes. In this case, the weight at the start of measurement is Wt 0 (g), the weight after 15 minutes is Wt 15 (g), and the surface area of the portion applied to the skin or mucous membrane on the surface of the water vapor generator is S (cm 2 ) Is calculated by the following equation (1).
[0020]
[Expression 1]
Water vapor released (mg / cm 2 · min) = (Wt 0 −Wt 15 ) · 1000 / 15S
(1)
[0021]
The water vapor generating composition is used while being accommodated in a bag or the like having an arbitrary shape, and the amount of water vapor released from the application surface of the water vapor generating body to the skin or mucous membrane is 0.01 mg / cm 2 · min or more, particularly 0 In order to set it to 5 mg / cm 2 · min or more, a constituent material such as a bag body containing the water vapor generating composition is used as a moisture permeable sheet. As the moisture permeable sheet, the amount of moisture permeation is preferably not less than 4000g / m 2 · 24h according to ASTM method, and more preferably not less than 8000g / m 2 · 24h. Specific examples of the moisture permeable sheet include woven fabrics, nonwoven fabrics, papers, synthetic papers and the like made of various artificial fibers or natural fibers. Moreover, what provided many micropores in the air-impermeable film or sheet | seat can also be used.
[0022]
In the water vapor generator of the present invention, it is preferable to control the temperature of water vapor released from the surface of the water vapor generator to 50 ° C. or lower in order to prevent skin and mucous membrane damage due to continuous supply of hot water vapor. As a method for this, for example, a temperature adjusting material made of a woven fabric, a nonwoven fabric, paper, a porous film, a perforated foamed plastic, or the like is provided between the housing portion of the steam generating composition and the surface of the steam generating body, A method for lowering the temperature by allowing water vapor released from the water vapor generating composition to permeate the temperature adjusting material, a method for providing a gap between the surface of the water vapor generating body and the skin or mucous membrane application site, and the water vapor generating composition The reaction rate can be adjusted by appropriately changing the amount and particle size of the metal powder or salt used in the method, thereby controlling the water vapor temperature released from the surface of the water vapor generator.
[0023]
In the present invention, when the temperature of water vapor released from the water vapor generator is controlled to 50 ° C. or lower, the temperature measurement conforms to the temperature measurement method of JIS S4100 disposable body warmers.
[0024]
The steam generator of the present invention can take various forms as long as the cosmetic component or the drug component is dispersed and contained in the steam generating composition. For example, the bag body containing the water vapor generating composition may be entirely composed of a moisture permeable sheet, but the side surface to be applied to the skin or mucous membrane is composed of a moisture permeable sheet and the other surface is impermeable to moisture or low. You may comprise from a moisture-permeable sheet. Thereby, the water vapor | steam discharge | released from a water vapor generation composition can be efficiently directed to the direction of skin or mucous membrane.
[0025]
Moreover, what is necessary is just to seal in the arbitrary containers and bags which can interrupt | block outside air at the time of storage of the water vapor generating body of this invention.
[0026]
【Example】
Hereinafter, based on an Example, this invention is demonstrated concretely.
[0027]
Example 1
Using the ingredients shown in Table 1, a steam generating composition containing lavender oil was prepared as follows. First, a mixed powder of a water-absorbing polymer, activated carbon and vermiculite is obtained, while lavender oil is dispersed with a nonionic surfactant and mixed with 15% saline, which is mixed with the previous mixed powder, followed by iron. Mixed with flour.
[0028]
As shown in FIG. 1, 20 g of the obtained water vapor generating composition 1a is accommodated in an inner bag 2 made of a moisture-permeable nonwoven fabric (Mitsui Chemicals, trade name: Syntex MB, basis weight 15 g / m 2 ). This is applied to the pocket part 3 of the gauze mask 4 having the pocket part 3 as a temperature control material 5 with two layers of non-woven fabric (manufactured by Honshu Kinocross Co., Ltd., trade name: Kinocross KS-40, manufactured by Japan Vilene Co. : Laminated with bi-form air bag KNP-350) to form a mask-type water vapor generator 10A.
[0029]
When this mask-type water vapor generator 10A was applied, the scent of lavender oil with a calming effect could be inhaled for 15 minutes together with warm water vapor at 38 to 45 ° C.
[0030]
[Table 1]
Figure 0005031135
[0031]
Example 2
Using the components shown in Table 2, a water vapor generating composition containing eucalyptus extract was prepared as follows. First, a mixed powder of a water-absorbing polymer, activated carbon and vermiculite was obtained, while eucalyptus extract was mixed with 15% saline, mixed with the previous mixed powder, and then mixed with iron powder.
[0032]
As shown in FIG. 2, 10 g of the obtained water vapor generating composition 1b is made of a sheet (breathlon manufactured by Nitto Denko Co., Ltd.) whose back surface 2b has air permeability, and the surface 2a is a moisture-permeable nonwoven fabric (Mitsui Chemicals). Product name: Syntex MB, contained in an inner bag 2 composed of a basis weight of 15 g / m 2 ), and a two-layer nonwoven fabric (manufactured by Honshu Kinocross Co., Ltd., trade name: Kinocross KS-40, Japan) The outer bag made of Vileen Co., Ltd., product name: layered with Bifoam Airbag KNP-350) and made entirely of moisture permeable nonwoven fabric (Mitsui Chemicals product name: Syntex MB, basis weight 15 g / m 2 ) 6 was prepared, and a paste-type water vapor generator 10B provided with an adhesive layer 7 on the peripheral edge of the surface was prepared.
[0033]
When this patch-type water vapor generator 10B is applied to the skin of the forearm, the eucalyptus extract that suppresses skin hypersensitivity penetrates into the skin by the action of water vapor at 38 to 45 ° C. The effect was obtained.
[0034]
[Table 2]
Figure 0005031135
[0035]
【Effect of the invention】
According to the present invention, a cosmetic ingredient and a drug ingredient can be gradually and continuously applied to the skin or mucous membrane together with hot water vapor.
[Brief description of the drawings]
FIG. 1 is a plan view (FIG. 1 (a)) and a cross-sectional view (FIG. 1 (b)) of a steam generator according to an embodiment.
FIG. 2 is a plan view (FIG. 2 (a)) and a cross-sectional view (FIG. 2 (b)) of the water vapor generating body of the embodiment.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1a, 1b Water vapor generating composition 2 Inner bag 3 Pocket part 4 Mask 5 Temperature control material 6 Outer bag 7 Adhesive layer 10A, 10B Water vapor generator

Claims (5)

金属粉、塩類及び水からなり、金属粉の酸化に伴って水蒸気を放出する水蒸気発生組成物を有する水蒸気発生体であって、水蒸気発生組成物中に水不溶性の化粧料成分又は薬剤成分が、水中での分散を容易にする非イオン界面活性剤により分散している水蒸気発生体。A water vapor generating material comprising a metal powder, a salt and water, and having a water vapor generating composition that releases water vapor along with oxidation of the metal powder, wherein the water vapor generating composition contains a water-insoluble cosmetic ingredient or drug component , A water vapor generator dispersed by a nonionic surfactant that facilitates dispersion in water. 水蒸気発生体の皮膚又は粘膜への適用面から放出される水蒸気量が、0.01mg/cm・min以上である請求項1記載の水蒸気発生体。The water vapor generator according to claim 1, wherein the amount of water vapor released from the surface of the water vapor generator applied to the skin or mucous membrane is 0.01 mg / cm 2 · min or more. 水蒸気発生体の表面から放出される水蒸気の温度が50℃以下に制御されている請求項1記載の水蒸気発生体。  The water vapor generator according to claim 1, wherein the temperature of the water vapor released from the surface of the water vapor generator is controlled to 50 ° C or lower. 皮膚又は粘膜に適用される面が少なくとも透湿性シートから構成されている請求項1ないし3の何れか一項に記載の水蒸気発生体。  The water vapor generator according to any one of claims 1 to 3, wherein the surface applied to the skin or mucous membrane is composed of at least a moisture permeable sheet. 水蒸気発生組成物の収容部と水蒸気発生体表面との間に温度調節材を設けている請求項1ないし4の何れか一項に記載の水蒸気発生体。  The steam generator as described in any one of Claim 1 thru | or 4 which has provided the temperature control material between the accommodating part of a steam generating composition, and the steam generator surface.
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