JP4589755B2 - Pack fee - Google Patents

Description

  The present invention relates to a pack cosmetic characterized by mixing and using a first agent and a second agent at the time of use, and dispersibility of powder at the time of use, ease of peeling after use, and skin The present invention relates to a pack cosmetic excellent in moisture retention and emollient.

Conventionally used pack materials include a peel-off type in which the pack material is peeled off from the skin after use, and a type in which the pack material is wiped off or washed away after use. Packing materials containing alginate have been attracting attention from the standpoints of sufficient occlusion and comfort during application, and technology has been developed to increase the strength of the film and use it in a peel-off type. As a peel-off pack material containing such an alginate, a mixed powder of an alginate and an alkaline earth metal salt is made into a gel by mixing with water at the time of use and applied to the skin. There are things like giving effect. As a specific conventional technique, in order to improve the film-forming property of the gel peel-off pack material obtained by adding water to the mixed powder of alginate and alkaline earth metal salt, glucono delta lactone is added to the mixed powder. There is a technique for blending 5 to 30% of talc with a water-insoluble alginate (for example, see Patent Document 2).
Japanese Unexamined Patent Publication No. 63-201109 (pages 1 to 6) JP 2000-327554 A (pages 1 to 5)

  However, in the technology of Patent Document 1, when a pack material containing an alginate is mixed with water, water may not be mixed uniformly. Therefore, when applied to the skin, the film of the pack material is not uniform. There was a case. Further, in the technique of Patent Document 2, when used as a peel-off type packing material, it was not possible to obtain a film strength for peeling the packing material from the skin. Furthermore, since what is mixed with the pack material which mix | blended the alginate is water, although water | moisture content was able to be given at the time of use, moisture retention and emollient feeling were not fully given to skin. Further, when polyhydric alcohol or lower alcohol is added to the water to be mixed and mixed, there is a problem that aggregates are generated in the pack material after mixing, and it becomes more difficult to uniformly apply to the skin. Therefore, water-soluble media such as polyhydric alcohols and lower alcohols can be mixed evenly into pack materials containing alginate, and can be evenly applied to the skin, and can be peeled cleanly after use, and moisturizing The pack charge with high property and emollient was desired.

Accordingly, as a result of intensive studies to solve the above-mentioned problems, the present inventor blends a hydrophobized inorganic powder into the first agent that blends a water-soluble alginate, alkaline earth metal salt, and glucono delta lactone. Thus, when mixed with the second agent blended with polyhydric alcohol or lower alcohol, the uniform first agent and the second agent can be uniformly mixed, and there is an effect of increasing the film strength during use, The inventors have found that it is possible to impart moisture retention and emollient properties, and have completed the present invention.

That is, the present invention comprises components (A) to (D); (A) a water-soluble alginate, (B) an alkaline earth metal salt, (C) glucono delta lactone, (D) a hydrophobized inorganic powder. A first agent characterized by blending and a second component characterized by blending 10 to 80% by mass of the following component (E); (E) polyhydric alcohol and / or lower alcohol The present invention relates to a pack fee that is sometimes mixed and used.

  The pack material of the present invention can use not only water conventionally used as an aqueous medium to be mixed with the first agent, but also polyhydric alcohols that are moisturizers and lower alcohols that can impart a refreshing feeling. . In addition, the pack material of the present invention is not only excellent in usability such that the pack material can be uniformly mixed, can be uniformly applied, and can be peeled cleanly after use, but also emollient and moisturizing on the skin. A feeling can be given and it is excellent also in the skin care effect. Furthermore, according to this invention, the new pack method which applies the composition which mixed the 1st agent of this invention and the 2nd agent to skin can be provided.

Hereinafter, the present invention will be described in detail.
The component (A) water-soluble alginate used in the first agent of the present invention is used as a film forming agent for pack materials. The salt of the component (A) water-soluble alginate used in the present invention is not particularly limited, and sodium salt, potassium salt, triethanolamine salt, ammonium salt and the like are used. Among these, alkali metal salts such as sodium salt and potassium salt are preferable, and sodium salt is more preferable from the viewpoint of film strength.

  Although the compounding quantity of the component (A) used for 1 agent in this invention is not specifically limited, 10-30 mass% (henceforth only "%") per 1 agent whole quantity is preferable. If it is this range, film forming property will be favorable and mixing with 2 agents will also be favorable.

  In the present invention, the component (B) alkaline earth metal salt reacts with the water-soluble alginate by mixing with the second agent to produce an insoluble salt of alginic acid, and gels the pack. Is an essential ingredient.

  Examples of the component (B) alkaline earth metal salt used in the present invention include calcium carbonate, calcium lactate, calcium citrate, calcium chloride, calcium sulfate, calcium acetate, and zinc lactate. Among these, calcium carbonate having a high gelation rate is preferable.

  Although the compounding quantity of the component (B) used for this invention is not specifically limited, 5 to 50% is preferable per 1st agent whole quantity. This range is preferable because gelation is good when mixed with the second agent.

  Component (C) Gluconodelta lactone is a white crystal or crystal powder that is an intramolecular ester of gluconic acid. In the present invention, the gelation reaction by component (A) and component (B) is appropriately adjusted to form a gel. Is used in order to achieve uniform operation.

  Although the compounding quantity of the component (C) used for 1 agent of invention is not specifically limited, 1 to 10% per 1st agent whole quantity is preferable. If it is this range, since the gelling speed | rate is moderate and it gelatinizes uniformly, it will become easy to peel a pack material from skin.

  In the first agent of the present invention, the component (D) hydrophobized inorganic powder does not form an aggregate when mixed with the second agent, and for the purpose of making it easier to peel the pack agent from the skin after application. Used in the present invention.

  The powder to be hydrophobized is not particularly limited as long as it is a powder generally used in cosmetics, and the shape can be blended without any particular limitation such as a spherical shape, a plate shape, or a needle shape. For example, talc, kaolin, mica, synthetic mica, sericite, aluminum silicate, magnesium silicate, aluminum magnesium silicate, anhydrous silica, silicon carbide, barium sulfate, bentonite, smectite, titanium oxide, zinc oxide, magnesium oxide, Examples thereof include aluminum oxide, bengara, yellow iron oxide, black iron oxide, titanium oxide, boron nitride, chromium oxide, conjugate, ultramarine, iron oxide mica, iron oxide mica titanium, mica titanium, and bismuth oxychloride. Among these, non-swelling clay minerals such as talc, kaolin, mica, synthetic mica, and sericite are preferable because the pack agent can be easily peeled off from the skin after application.

  As the hydrophobizing agent in the hydrophobizing inorganic powder of component (D), generally known treating agents can be used, for example, silicone compounds such as dimethylpolysiloxane, methylhydropolysiloxane, and trimethylmethoxysilicate. Treatment with fluorine compounds such as perfluoropolyether phosphate, perfluoroalkyl phosphate, fluorine-modified silicone, metal soap treatment such as zinc laurate, amino acid treatment such as N-long chain acylamino acid, higher fatty acid, higher grade Examples thereof include oil treatment of alcohol, ester, wax and the like, and one or two of them can be used.

  Among these treatment agents, a metal soap, a silicone compound, or a fluorine compound is preferable in that an aggregate is not formed when mixed with the second agent, and a metal soap is more preferable. As a specific example of such a metal soap, a metal soap composed of a metal selected from zinc, calcium and magnesium and a fatty acid having 12 to 18 carbon atoms is preferable. Specifically, magnesium myristate, zinc laurate, stearic acid Examples include zinc and magnesium stearate.

  The hydrophobicity of the hydrophobized inorganic powder is preferably such that the contact angle with water at 25 ° C. is in the range of 50 to 150 degrees. Within this range, the dispersion of the powder is good without interfering with the progress of swelling of alginic acid when mixed with the second agent, and the time until it becomes uniform when mixed with the second agent is appropriate. The contact angle is measured with an optical microscope after the powder is molded into a tablet and purified water drops are dropped.

  In addition, the amount of the processing agent relative to the powder varies depending on the type of the processing agent and the composition of the powder, but in general, a range of 0.5 to 20 parts with respect to 100 parts of the powder is preferable from the feeling of use. . Examples of the method of hydrophobizing treatment include generally known methods such as a wet method using a solvent and a dry method of treating in a gas phase.

  In the first agent of the present invention, the blending amount of the hydrophobized inorganic powder of component (D) is preferably 10 to 70% with respect to the total amount of the first agent. If it is this range, since it is easy to mix with a 2nd agent, it is preferable.

  In the present invention, it is preferable that the blending mass ratio of the component (A) and the component (B) is (A) :( B) = 2: 1 to 1: 5 because the gelation speed becomes appropriate. Furthermore, in the present invention, it is preferable that the blending mass ratio of the component (B) and the component (D) is (B) :( D) = 5: 1 to 1: 5 because aggregates hardly occur during mixing. Further, (B) :( D) = 2: 1 to 1: 3 is more preferable because the pack agent can be easily peeled off from the skin.

  Although the 1st agent of the pack material of this invention is a powder form and a cream form, Preferably it is a powder form. Since it is easy to mix with the second agent when it is in a powder form, it is preferable. In addition, the 1st agent used for this invention does not contain water substantially.

  In addition to the above-mentioned components, the first agent of the pack material of the present invention is an ionicity usually used in cosmetics in order to maintain the dosage form and depending on the purpose within a range not impairing the effects of the present invention. Surfactant, nonionic surfactant, powder other than component (D), oil agent, water-soluble polymer other than component (A), pH adjuster, ultraviolet absorber, moisturizer, antioxidant, cosmetic ingredient Ingredients such as preservatives and fragrances can be blended.

  The component (E) polyhydric alcohol and lower alcohol used in the second agent of the present invention are blended in the present invention as a humectant or for the purpose of imparting a refreshing feeling.

  The component (E) used in the two agents of the present invention is not particularly limited as long as it is a polyhydric alcohol and a lower alcohol generally used in cosmetics. For example, as the polyhydric alcohol, specifically, propylene glycol, 1,3-butylene glycol, ethylene glycol, 1,3-propanediol, trimethylolpropane, 1,4-butanediol, 1,5-pentanediol , Diethylene glycol, polyethylene glycol, dipropylene glycol, glycerol, diglycerol, triglycerol, tetraglycerol, polyglycerol, glucose, maltose, maltitol, sucrose, trehalose, fructose, xylitol, inositol, erythritol, pentaerythritol Sorbitan, sorbitol and the like. Examples of the lower alcohol include ethanol, propanol, and 2-propanol.

  The compounding quantity of the component (E) used for 2 agents of this invention is 10 to 80%, Preferably it is 10 to 50%. If it is this range, when it mixes with a 1st agent, it can mix uniformly, without producing | generating an aggregate, and since it is excellent also in skin care effects, such as a moisturizing after use and a refreshing feeling, it is preferable.

  If the 2nd agent of the pack material of this invention is an agent which contains a component (E) essential, other structural components will not be specifically limited, In the range which does not impair the effect of this invention, water, ionicity Including ingredients such as surfactants, nonionic surfactants, powders, oils, water-soluble polymers, pH adjusters, UV absorbers, moisturizers, antioxidants, beauty ingredients, preservatives, and perfumes. Can do.

  Examples of the form of the second agent of the present invention include liquid, gel, and cream. In addition, the dosage form of the second agent of the present invention is not particularly limited. Among them, from the gelation speed when mixed with the first agent and the good dispersibility during mixing, a solubilized type, an oil-in-water type, etc. Aqueous systems are preferred. Moreover, it is preferable that the 2nd agent of this invention is an agent which has an effect as cosmetics by itself. Specifically, skin care cosmetics such as skin lotion, cosmetic liquid, milky lotion and cream are preferable.

  The pack of the present invention is prepared by mixing the first agent and the second agent at the time of use to form a uniformly dispersed gel, which is applied to the skin to an appropriate thickness, and left for 5 to 30 minutes. Used by the method of peeling from the skin. At this time, the mixing amount of the first agent and the second agent is preferably an equivalent amount to 10 times the amount of the second agent with respect to the first agent.

  The following examples further illustrate the present invention. Note that these do not limit the present invention.

Example 1 , Reference Examples 2 and 3, Examples 4 to 6, Reference Example 7, and Comparative Examples 1 to 6 Packing fee (adjustment of packing fee)
Prepare the first agent (powder) of the prescription shown in Table 1 and the second agent (skin lotion) of the prescription shown below, and mix the first agent and the second agent in a mass ratio of 1: 6. I got a pack fee.

(Manufacturing method)
(Preparation of first agent (powder))
A. Components 1 to 12 are mixed at room temperature using a Henschel mixer, and then pulverized with a pulverizer to form the first agent.
(Preparation of second agent (lotion))
A. The following components 1 to 6 were uniformly mixed with a paddle, and then components 7 to 10 previously mixed were added and solubilized to obtain a second lotion.

Second agent (lotion)
(Ingredient) (%)
1. 1. Purified water remaining amount Citric acid 0.01
3. Sodium citrate 0.005
4). EDTA 0.05
5.1,3-Butylene glycol 10.0
6). Eucalyptus extract 0.5
7). Paraben 0.2
8). Isostearic acid polyoxyethylene hydrogenated castor oil (50 EO) 0.1
9. Ethanol 3.0
10. Phenyl glycol 0.1

  A. The rate of gelation during mixing, b. No agglomerates during mixing, c. Ease of application, d. Ease of peeling, e. Moisture retention after use, f. The emollient property after use was evaluated by the following method. The results are shown in Table 2.

(Evaluation methods)
[Evaluation item a and its evaluation method]
Apply the uniform gel pack material mixed with the first agent and the second agent of the examples and comparative examples to the skin, measure the time until solidified to peel off as a single film, the following: (A) Judgment was made using a three-step criterion.
(B) Three-stage criteria (measurement time): (judgment)
5-15 minutes: ◎ (moderate)
15-30 minutes: ○ (slightly slow)
Gels within 5 minutes or does not gel: ×
[Evaluation item b and its evaluation method]
The state immediately after mixing the 1st agent and the 2nd agent of the said Example and a comparative example was observed visually, and it determined using the following (b) three-stage criteria.
(B) Three-stage criteria (Observation results): (Judgment)
No agglomerates: ◎
Some agglomerates are seen but there is no problem in use: ○
Agglomerates are seen and there is a problem in use: ×
[Evaluation Items cf and Evaluation Method]
The pack fee obtained by mixing the first agent and the second agent of the above-mentioned Examples and Comparative Examples with 10 sensory test panels was evaluated in 7 stages using (1) absolute evaluation criteria, and each pack fee The average value of each score was evaluated using (2) four-level evaluation criteria.

(1) Absolute evaluation criteria (score): (Evaluation)
6: Very good 5: Good 4: Somewhat good 3: Normal 2: Somewhat bad 1: Bad 0: Very bad (2) Four-point evaluation criteria exceeding 5 points: Very good: ◎
3 points to 5 points or less: Good: ○
Over 2 points and under 3 points: Somewhat bad: △
2 points or less: Defect: ×

As is clear from the results in Table 2, the packing materials of Examples 1, 4 to 6 and Reference Examples 2, 3 and 7 , which are the products of the present invention, were compared with Comparative Examples 1 to 6, and gelled during mixing It has much better characteristics in all aspects of speed, no agglomeration during mixing, ease of application, ease of peeling, moisture retention after use, and emollient after use. Recognize.

Example 8 Packing fee (first agent (powder))
(Ingredient) (%)
(1) Potassium alginate 15
(2) Calcium carbonate 35
(3) Gluconodelta lactone 2.5
(4) Polyoxyethylene (60) hydrogenated castor oil 0.2
(5) Zinc laurate-treated talc * 1
Remaining amount
(6) Decamethylcyclopentasiloxane 1.0
(7) Perfluoropolyether 1.0

(Manufacturing method)
(Preparation of 1 agent (powder))
A. Components 1 to 13 are mixed at room temperature using a Henschel mixer, and then pulverized with a pulverizer to form the first agent.
(Preparation of second agent (milky lotion))
(Ingredient) (%)
(1) Phospholipid 0.3
(2) Cholesterol 0.2
(3) Propylene glycol dicaprate 4.0
(4) Olive oil 0.5
(5) Dimethylpolysiloxane 0.5
(6) Dipropylene glycol 20.0
(7) 1,3-butylene glycol 30.0
(8) Barley extract 1.0
(9) Carboxyvinyl polymer 0.1
(10) Purified water remaining amount (11) Sodium hydroxide 0.06
(Manufacturing method)
A. Ingredients (1) to (6) are uniformly mixed and dissolved at 70 ° C.
B. Ingredients (7) to (11) are uniformly mixed and dissolved at 70 ° C.
C. Add B to A, mix uniformly, and emulsify.
D. C was cooled to obtain an emulsion of the second agent.

  The 1st agent of the prescription shown above and the 2nd agent (milky lotion) were prepared, and 1 agent and 2 agents were mixed by the ratio of 1: 2 by mass ratio, and the pack charge was obtained. The packing material of Example 8 has the gelation rate at the time of mixing, the absence of aggregates at the time of mixing, the ease of application, the ease of peeling, the moisturizing property after use, and the emollient property after use. Had excellent properties.

Claims (5)

The following components (A) to (D);
(A) Water-soluble alginate (B) Alkaline earth metal salt (C) Gluconodelta lactone (D) Metal soap treated inorganic powder, the mass ratio of components (A) and (B) is (A) : (B) = 2: 1 to 1: 5, and the first agent in which the mass ratio of component (B) and component (D) is 5: 1 to 1: 5 ;
The following component (E);
(E) Polyhydric alcohol and / or lower alcohol 10-80 mass%
A pack material characterized by being mixed with a second agent containing The component (D) metal soap- treated inorganic powder of the first agent is a metal soap- treated inorganic powder treated with 0.5 to 20 parts by mass of metal soap with respect to 100 parts by mass of the inorganic powder. The pack fee according to claim 1 , wherein Claim 1 or pack charges according to 2 first agent is characterized by a powder form. The following components (A) to (D);
(A) Water-soluble alginate (B) Alkaline earth metal salt (C) Gluconodelta lactone (D) Metal soap treated inorganic powder, the mass ratio of components (A) and (B) is (A) : (B) = 2: 1 to 1: 5, and the first agent in which the mass ratio of component (B) and component (D) is 5: 1 to 1: 5 ;
The following component (E);
(E) Polyhydric alcohol and / or lower alcohol 10-80 mass%
A pack set comprising a second agent containing The following components (A) to (D);
(A) Water-soluble alginate (B) Alkaline earth metal salt (C) Gluconodelta lactone (D) Metal soap treated inorganic powder, the mass ratio of components (A) and (B) is (A) : (B) = 2: 1 to 1: 5, and the first agent in which the mass ratio of component (B) and component (D) is 5: 1 to 1: 5 ;
The following component (E);
(E) Polyhydric alcohol and / or lower alcohol 10-80 mass%
A pack method comprising: applying a composition prepared by mixing a second agent containing the composition to the skin, and then peeling the composition from the skin.