JPS60215617A - Weak-acidity bath preparation - Google Patents

Abstract

PURPOSE:The titled acidity bath preparation having synergistically improved effects such as promoting effect on circulation of the blood, awakening or hypnosis, appetite inhibition or promotion, uneasiness elimination, obtained by adding an aromatic medicine to a weak-acidity bath preparation which comprises a carbonate and an acid and shows a weakly acidic pH of hot water in a bath when it is used. CONSTITUTION:A weak-acidity bath preparation which is obtained by blending a carbonate with an acid to evolve a carbonic acid gas, shows 4-7pH, especially 6.0-6.7pH at 0.01wt% solution which is obtained by dissolving it in hot water in a bath to dissolve a carbonic acid gas in the hot water, has raised promoting effect on circulation of the blood, causes no chill after a bath is blended with an aromatic medicine, an awakening perfume such as purified peppermint oil, a hypnotic perfume such as purified jasmine oil, an appetite inhibitory perfume such as rosemary oil, an appetite promoting perfume such as basil oil, an uneasiness eliminating perfume such as lavender oil, or an antidepressant perfume, to improve synergistically the above-mentioned effects, and to raise further a relaxing feeling and fatigue recovery effect of the bath preparation.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention is a novel weakly acidic bath additive, more specifically, a bath additive that contains carbonate and acid and has a slightly acidic bathwater pH during use, in which an aromatic agent is blended. The present invention relates to a weakly acidic bath additive that synergistically improves blood circulation promoting effects, awakening or hypnosis, appetite suppressing or promoting, and anxiety relieving effects.

Bath additives are generally a mixture of inorganic salts such as mirabilite, borax, sulfur, salt, carbonate, etc., combined with fragrances, colorants, plant extracts, organic acids, etc., and are used to add fragrance and color to the bath water, and to improve the skin's surface. By providing moderate stimulation, it activates blood circulation, relieves fatigue, and improves metabolism. Among these bath additives, there are effervescent bath additives that combine carbonate and acid, which generate carbon dioxide bubbles in the bath water.
It has the effect of increasing the feeling of relaxation and discomfort and making bathing more enjoyable.

However, conventional effervescent bath additives are neutral or slightly alkaline, and almost all of the carbon dioxide generated does not enter the water but evaporates into the air. It simply performed a sensuous mechanical action.

Therefore, the present inventor conducted various researches and created a bath additive that contains carbonate and acid and makes the pH of the bath water slightly acidic, thereby retaining carbon dioxide gas in the bath liquid and promoting blood circulation. We have developed a weakly acidic bath additive that does not cause the bath to feel cold. Furthermore, the present inventor has now discovered that when a rust preventive agent is added to this, the effects of promoting blood circulation, awakening or hypnosis, suppressing or promoting appetite, relieving anxiety, etc. are synergistically improved, and the feeling of relaxation and fatigue recovery effect is enhanced. They discovered this and completed the present invention.

That is, the present invention provides a weakly acidic bath additive containing a carbonic acid and an acid, and a mildly acidic bath additive containing a rust preventive agent.

Examples of carbonates to be added to the weakly acidic bath additives of the present invention include aqueous sodium carbonate, sodium carbonate, potassium bicarbonate, ammonium bicarbonate, potassium sesquicarbonate, and ammonium bicarbonate. profit,
Examples include ammonium carbonate salts, sesquicharcoal 1)9 ammonium salts, and the like, and these can be used alone or in combination of two or more.

Also, t'! As the acid, both organic acids and inorganic acids can be used, but water-soluble and solid acids are preferred.

Examples of organic acids include straight chain fatty acids such as formic acid, acetic acid, propionic acid, butyric acid, and valeric acid; oxalic acid, malonic acid, succinic acid, glutaric acid, adipic acid, pimelic acid, fumaric acid, maleic acid, and heptalic acid. , dicarboxylic acids such as isophthalic acid and terephthalic acid; acidic amino acids such as glutamic acid and aspartic acid; acid, salicylic acid ('o
, m.

p), oxyacids such as gallic acid, mandelic acid, trobic acid, ascorbic acid, gluconic acid; cinnamic acid, benzoic acid, phenylacetic acid, nicotinic acid, kainic acid, sorbic acid, pyrrolidonecarboxylic acid, trimellitic acid, benzenesulfone Acids, toluenesulfonic acid and acid salts of these organic acids are used. Examples of inorganic acids include phosphoric acid, phosphorus 1
p-dihydrous potassium, sodium dihydrogen phosphate, sodium sulfite, potassium sulfite, sodium pyrosulfite (sodium metabisulfite), potassium pyrosulfite (potassium metabisulfite), acidic potassium hexametaphosphate, acidic potassium hexametaphosphate, acidic Examples include sodium pyrophosphate, acidic potassium pyrophosphate, and sulfamic acid. Among these, aliphatic dicarboxylic acids such as succinic acid, fumaric acid, phosphoric acid, and acid salts thereof are preferred.

Furthermore, aromatic agents include the following:

■ Awakening fragrance: 1m oil (hatsuka, eucalyptus, lemon, velpena, citronella, cypress, salvia, thyme, clove, rosemary, hisolaf, pagele, etc.), extract (onion, garlic, etc.), formic acid, acetic acid, VK acid Ethyl, propyl formate, 1 tyl acetate (ethyl, furovir,),
heptyl, nonyl, menthyl, isomenthyl, etc.), amyl nitrite, trimethylcyclohexanol, allyl sulfide.

■ Hypnotic fragrances: Essential oils (jasmine, chamomile, neroli, etc., nonyl alcohol, tacyl alcohol, phenylethyl alcohol, methyl carbonate, ethyl carbonate.

■ Appetite suppressing fragrances: mugwort oil, rosemary oil, eucalyptus oil, mill oil, phenylacetate, quaiacol, indole, cresol, thiophenol, p-dichlorobenzene, p-methylquinoline, isoquinoline, pyridine, organic amines, Camphor, mercaptans, ammonia, hydrogen sulfide.

■ Appetite-stimulating fragrances: Essential oils (basil, perilla, marjoram, thyme, laurel, schnipper berry, lemon, nutmeg, ginger, onion, garlic, etc.), carvone, estragole, elmole.

■ Anti-anxiety/anti-depressant fragrances: til (lavender, bergamot, lemon, marjoram, rosemary, clary sage, peppermint, pagel, rose, jasmine, butygrain, nutmeg, cinnamon, clove, mace, ginger, etc.), citral , citronellal, borneol, 1Jj-rol, cheraniol, nerol, cresol.

■Other fragrance essential oils (orange, lemon, bergamot, lavender,
Rosemary, basil, peppermint, camphor, eucalyptus, clove, cinnamon, nutmeg, mace, ginger, artemisia, camphor, salvia, etc.), menthol, cineole, eugenol, citral, hydroxycitronellal, apsinth oil Acetic acid, acetic acid ester, sandalwood oil, costus oil, labdanum oil, amber, musk, a-pinene, limonene, methyl salicylate, terpene compounds.

The blending amount of carbonate and acid in the weakly acidic bath additive of the present invention is such that when the solvent is added to the bath water, the bath water becomes weakly acidic, that is, the pH of the 0.01% by weight aqueous solution of the bath additive is 4 to 7. In particular, it is necessary to adjust the pH to 6.0 to 67. If the pH is lower than 4, the skin will be irritated and the bathtub may be damaged, and if the pH is higher than 7, the effects of the present invention will not be achieved.

The effect of the present invention is that when the pH is acidic, carbon dioxide gas is CO
It exists as two molecules and shows a blood flow promoting effect, but when the pH is alkaline, carbon dioxide gas becomes 00w2- ion or H
This is based on the principle that the effect is not observed at all because CO2- ions exist.

A liquid mixture of carbonate and acid that satisfies these conditions will vary depending on the type of carbonate and acid, but based on the total composition, the carbonate should be 5 to 80% by weight, especially 10 to 50%, and the acid should be 10 to 80%.
Particularly preferred is 15 to 5 degrees.

In addition, the rust inhibitor can be blended in a wide range of amounts, but generally 0.001 to 10% of the total composition, especially 0, oi to 20%
% is preferred.

Furthermore, the bath additives of the present invention contain commonly-used fragrances, pigments, vitamins, hot spring active ingredients, proteolytic enzymes, seaweed extracts, sodium alginate, lanolin, silicone, herbal medicines or their extracts, etc. The effect can be further enhanced.

The weakly acidic bath additives of the present invention can be in the form of powder, granules, crystals, tablets, etc., particularly preferably tablets, and in order to formulate these, excipients, binders, Disintegrants, lubricants, etc. may also be added.

As shown above, the slightly acidic bath additive of the present invention has a pH that is approximately the same as that of human skin, so it has a favorable effect on the skin.

Moreover, the carbon dioxide gas generated when pouring into the bath water does not have the effect of promoting blood flow in alkaline conditions because it exists as ions, but in acidic conditions as in the present invention, it exists as CO2 molecules and has an excellent ability to promote blood circulation in the skin. be effective.

Next, an example will be given and explained.

Example 1 A bath salt having the composition shown in Table 1 was prepared as A! Ii! L. Each bath additive was added to bath water to make a 0.01% aqueous solution, and 30 panelists used it according to the usual method for one month, and the overall evaluation as a bath additive (overall feeling of use) was conducted. , the feeling of relaxation and fatigue recovery effects were investigated.

I-1・Margin Table 1 Margin below Table 2 that's all

Claims (1)

[Scope of Claims] 1. A weakly acidic bathing agent containing a carbonate and an acid, characterized in that it contains an aromatic agent. 2. The weakly acidic bath additive according to claim 1, wherein the aromatic agent is a fragrance for awakening, a fragrance for hypnosis, a fragrance for suppressing appetite, a fragrance for promoting appetite, or a fragrance for relieving anxiety and antidepression.