JP7174974B2 - deodorant composition - Google Patents

Description

The present invention relates to deodorant compositions.

Technologies related to deodorization have been proposed. For example, Patent Literature 1 discloses a body odor prevention and deodorant. A body odor preventive and deodorant contains cyclodextrin as an active ingredient.

JP-A-2002-47163

In recent years, a symptom called PATM (“People are Allergic To Me” or “People Allergic To Me”) is known. PATM is a phenomenon in which a third party around oneself causes allergic symptoms. The aforementioned allergic symptoms include discomfort in the mucous membranes of the eyes, nose, or throat, runny nose, nasal congestion, sneezing, coughing, coughing, shortness of breath, wheezing, watery or itchy eyes, watery eyes, headache, intoxicated sensation, or Nausea is exemplified.

The inventor has so far conducted research on body odors such as armpit odor and aging odor, and has developed deodorizing products. The inventors know that body odor such as armpit odor or aging odor and PATM are both caused by volatile substances emitted from the body surface. The inventor believes that body odor is caused by volatile substances that can be perceived by the sense of smell, while PATM is caused by volatile substances that are not or hardly perceived by the sense of smell. I think it may be.

The inventors investigated a deodorant composition effective against PATM. In doing so, the inventors considered that the new deodorant composition would also be an effective composition for common body odors such as armpit odor and aging odor. Deodorant is interpreted broadly in this disclosure. For example, deodorization includes the function of suppressing the emission of volatile substances from the surface of the human body.

An object of the present invention is to provide a deodorant composition capable of suppressing emission of volatile substances from the surface of the human body.

One aspect of the present invention includes a porous material having pores that are micropores or mesopores, cyclodextrin, and an emulsion , wherein the porous material is sulfur-containing aluminum silicate, and the The deodorant composition contains 1% by mass or more and 10% by mass or less of sulfur-containing aluminum silicate as a porous substance, and 1% by mass or more and 10% by mass or less of cyclodextrin .

According to this deodorant composition , the human body surface (skin) can adsorb volatile substances from the human body surface. Either or both of odor and irritation caused by volatile substances can be eliminated or reduced. Excellent properties are obtained for the adsorption of volatile substances. The human body surface can encapsulate volatile substances from the human body surface. Excellent properties are obtained for adsorption and inclusion of volatile substances from the human body surface. For example, it is possible to obtain a deodorant effect against PATM reaction, armpit odor and aging odor. Furthermore, the deodorizing effect can be exhibited immediately and continuously. Application to the surface of the human body is facilitated.

Here, when the concentration of the porous substance is higher than 10% by mass, the appearance of the deodorant composition deteriorates. Furthermore, the stability is lowered due to sedimentation of the porous material, which is powder (fine particles). When the concentration of cyclodextrin is higher than 10% by mass, it becomes difficult to eliminate stickiness after applying the deodorant composition to the skin (human body surface).

The deodorant composition may contain 1% to 5% by mass of sulfur-containing aluminum silicate as the porous material, and 1% to 5% by mass of cyclodextrin .

According to this configuration, by setting the concentration of the porous substance to 5% by mass or less, the appearance of the deodorant composition deteriorates, and the porous substance, which is powder (fine particles), settles. It is possible to improve the phenomenon that the stability decreases due to By setting the concentration of the cyclodextrin to 5% by mass or less, it is possible to improve the phenomenon that stickiness after applying the deodorant composition to the skin (human body surface) becomes difficult to eliminate.

ADVANTAGE OF THE INVENTION According to this invention, the deodorant composition which can suppress the emission of a volatile substance from the human body surface can be obtained.

Embodiments for carrying out the present invention will be described. The present invention is not limited to the configurations described below, and various configurations can be adopted based on the same technical idea. For example, some of the configurations shown below may be omitted or replaced with other configurations. Other configurations may be included.

<Deodorant composition>
A deodorant composition will be described. The deodorant composition contains a porous material. Pores are formed in the porous material. Said pores are referred to as one or both of micropores and mesopores. Micropores are pores with a diameter of 2 nm or less. Mesopores are pores with a diameter of 2-50 nm. In the deodorant composition, the porous material physically adsorbs volatile substances emitted from the human body surface.

In the deodorant composition, a substance having an average particle size of 10 μm or less is used as the porous substance. However, the aforementioned average particle size is an example. The average particle size of the porous material is appropriately determined in consideration of various conditions such as deodorizing ability. Porous materials include silicon dioxide, sulfur-containing aluminum silicate, zeolite, silica, rice silica, alumina, activated carbon, activated clay, diatomaceous earth, kaolin, molecular sieves, titanium dioxide, calcium carbonate, magnesium carbonate, magnesium oxide, and zinc oxide. , montmorillonite, sabotite, bentonite, hydroxyapatite or chitosan microparticles.

The inventor believes that sulfur-containing aluminum silicate is preferable among the above substances as the porous substance in the deodorant composition. Furthermore, the deodorant composition should contain cyclodextrin. In such a deodorant composition, the concentration (content) of sulfur-containing aluminum silicate should be 1 mass % or more, and the concentration (content) of cyclodextrin should be 1 mass % or more.

Cyclodextrins are oligosaccharides in which multiple glucoses are linked in a ring. Cyclodextrins are also called cyclic oligosaccharides. Cyclodextrins can enclose volatile substances inside. In cyclodextrin, the inner diameter of the cavity is 1 nm or less, depending on the number of glucose.

<Example>
The inventor conducted various studies in completing the deodorant composition described above. In this study, first, in Experiment 1, the inventor identified a volatile substance considered to be a causative agent of PATM, and in Experiments 2 and 3, identified a deodorant composition effective against PATM. That is, in Experiment 2, the inventors identified the ingredients (ingredients) of the deodorant composition that are effective against PATM, and in Experiment 3, the concentrations of the ingredients identified in Experiment 2 were identified. After that, in Experiment 4, the inventor confirmed the effectiveness of the deodorant composition specified in Experiments 2 and 3 for PATM. In Experiment 5, the inventor confirmed the effectiveness of the deodorant composition specified in Experiments 2 and 3 for armpit odor and aging odor.

In the embodiments, the following allergic symptoms caused by PATM are collectively referred to as "PATM reaction". The aforementioned allergic symptoms (PATM reaction) include discomfort in the mucous membranes of the eyes, nose, or throat, runny nose, nasal congestion, sneezing, coughing, coughing, shortness of breath, wheezing, dry or itchy eyes, watery eyes, headache, and drunkenness. A feeling of nausea or nausea is exemplified. Also, a person who suffers from a PATM reaction of a third party in the vicinity is called a "PATM causer", and the aforementioned third party who causes allergic symptoms due to PATM is called a "PATM reactant". Furthermore, the causative substance of the PATM reaction is called "PATM causative substance".

In the present disclosure, "odor" means "smell" and "smell" in general that can be detected by humans. However, it is considered that the deodorant composition of the embodiment is generally intended for "smell (bad odor)" out of "smell" and "smell" that humans can perceive. Moreover, the "stimulation" means giving a stimulus that causes a predetermined symptom to a person, regardless of the presence or absence of the aforementioned odor. Therefore, a volatile substance with an odor may cause irritation, and even a volatile substance without an odor (odorless volatile substance) may cause irritation. Note that the above-described predetermined symptom is exemplified by the same symptom as the above-described symptom shown as the PATM reaction.

As described above, in the present disclosure, deodorization includes the function of suppressing the emission of volatile substances from the surface of the human body. Therefore, deodorization includes the function of suppressing the emission of volatile substances having one or both of an odor and an irritating feeling from the surface of the human body. Deodorization also includes the function of removing or reducing volatile substances that are odorous and/or irritating from the surface of the human body.

<Experiment 1>
Experiment 1 was carried out by the following experimental method, and the experimental results shown below were obtained from Experiment 1.

<Experimental method>
(1) In Experiment 1, 1,000 Japanese subjects were used as subjects, and substances that were secreted from the upper body of the subjects and became volatile substances were collected. All of the 1,000 subjects thought that their own body odor (including PATM) was a problem, and were concerned about the reactions of third parties. The applicant analyzes an individual's body odor and manufactures and sells a laundry detergent exclusively for that individual. Applicants therefore have a large body of personal body odor data and have the route and ability to obtain new data.

(2) In Experiment 1, the following first to third procedures were repeated for all subjects. In the first procedure, the T-shirt worn by the subject was washed three times from a new state, and then completely dried. The temperature during washing was 60°C. The T-shirt after drying had the following conditions. The aforementioned state is a state in which no PATM causative substance identified in Experiment 1 of this time is finally detected by gas chromatography-mass spectrometry. In the third procedure, a gas chromatograph mass spectrometer (7890GC/5977MSD manufactured by Agilent Technologies) with a headspace sampler was used. Moreover, in the third procedure, the heating temperature was set to 110°C.
[Experimental procedure (for one subject)]
First step: Subjects wear a T-shirt that fits their body shape for 24 hours in a state in which they are in direct contact with the upper body (skin). The subject seals the T-shirt in the package after wearing. Applicant will collect the aforementioned package.

Second step: Two pieces of the T-shirt after collection are cut out from the portion of the fabric where odor or irritation is most perceptible, and sealed in a vial (manufactured by Agilent Technologies, Inc.). The size of one piece of fabric was 4 x 8 cm.

Third step: Using the gas in the vial of the second step as a sample, perform gas chromatographic analysis to identify the components of volatile substances contained in the above gas and the amount of each component.

(3) In Experiment 1, 1000 subjects were classified into the following first-class subjects and second-class subjects.
[subject]
Type 1 subjects: those who are suffering from PATM reactions of people around them (PATM responders) in real life (including those who consider themselves to be the cause of PATM), and after recovery in the second procedure Subjects who correspond to one or both of those who sense stimulation from T-shirts Second-class subjects: Subjects who do not belong to first-class subjects <Experimental results>
The inventor, in the third procedure described above, from the components identified from the volatile substances from the fabric portion of the T-shirt of the subject belonging to the first type subject, and from the fabric portion of the T-shirt of the subject belonging to the second type subject components identified from the volatiles of Then, based on the above-mentioned comparison, the inventor identified a substance that is not specified from the above-mentioned volatile substances in the type 2 subjects, but contains a component that is specified from the above-mentioned volatile substances in the type 1 subjects as a PATM causative substance identified as The identified PATM causative agents are the first to fifth class causative agents.

The first causative substances are alcohols including higher alcohols to secondary alcohols. The first class causative agent includes, for example, the following substances. The second class causative substances are aldehydes including unsaturated aldehydes. Type II causative agents include, for example, the following substances. Class III causative agents are ketones, including enones. The third-class causative agent includes, for example, the following substances. The fourth class causative substances are cycloalkanes and cyclohexenes. Class IV causative substances include, for example, the substances shown below. Class V causative agents are hydrocarbons including aromatic hydrocarbons. Class V causative agents include, for example, the following substances. If the Class 1 causative agent to the Class 5 causative agent are not distinguished, or if they are collectively referred to, they are referred to as PATM causative agents. In this case, the PATM causative substance corresponds to any one of the substances exemplified as the first to fifth class causative substances, or a plurality (including all) of the above substances corresponds to the substance of
[PATM causative substance]
First-class causative substances: 2-ethylhexanol, cyclohexanol, 1-octanol Second-class causative substances: butyraldehyde, isobutyraldehyde, 2-methylbutyraldehyde, 2-ethylbutyrvaleraldehyde, valeraldehyde, isovaleraldehyde, propionaldehyde , methacrolein Class 3 causative substances: acetone, methyl ethyl ketone, methyl isobutyl ketone, 2-pentanone, 2-cyclohexanone, methyl vinyl ketone Class 4 causative substances: cyclohexene, cyclohexane Class 5 causative substances: o-xylene, p-xylene , m-xylene, styrene, toluene, 1,2,3-trimethylbenzene, 2,2,4,6,6-pentamethylheptane <Experiment 2>
Experiment 2 was carried out by the following experimental method, and the following experimental results were obtained from Experiment 2.

<Experimental method>
(1) In Experiment 2, one or two PATM causative substances were selected from each of the first to fifth class causative substances identified in Experiment 1, and each of the selected PATM causative substances It was selected as a representative substance of the first to fifth class causative substances. The PATM causative substances selected as representative substances from among the first to fifth class causative substances are as follows.
[Selected PATM causative substances (representative substances)]
Class 1 causative substance: 2-ethylhexanol Class 2 causative substance: Propionaldehyde, Isobutyraldehyde Class 3 causative substance: Acetone Class 4 causative substance: Cyclohexene Class 5 causative substance: Toluene Selected PATM causative substance Sample solutions A to G were produced as sample solutions containing At that time, by diluting the PATM-causing substance with a diluent medium, the volatilization state of the PATM-causing substance was brought close to the volatilization state from the human body surface. Propylene glycol was used as the diluent medium. The components and concentrations (% by mass) of the generated sample solutions A to G are as follows.
[Sample solution]
Sample solution A: 2-ethylhexanol (5% by mass), propylene glycol (remainder)
Sample solution B: propionaldehyde (5 mass ppm), propylene glycol (remainder)
Sample solution C: isobutyraldehyde (5 mass ppm), propylene glycol (remainder)
Sample solution D: acetone (10% by mass), propylene glycol (remainder)
Sample solution E: cyclohexene (50 mass ppm), propylene glycol (remainder)
Sample liquid F: toluene (5% by mass), propylene glycol (remainder)
Sample solution G: mixture of equal amounts of sample solutions A to G 2-ethylhexanol in sample solution A, propionaldehyde in sample solution B, isobutyraldehyde in sample solution C, acetone in sample solution D, cyclohexene in sample solution E, and each concentration of toluene in the sample liquid F was determined as follows. That is, for each of the sample solutions A to G, the lower limit concentration at which all of the evaluation values of the sensory evaluation by three evaluators according to the evaluation criteria for the following stimulus feeling became "3" was determined as described above. Determined as each concentration. At that time, the concentration at the start of evaluation was set to 0.5 ppm by mass for each sample solution A to G, and was gradually increased from 0.5 ppm by mass until the evaluation value of all evaluators reached "3". rice field.
[Evaluation Criteria for Stimulation]
0: no irritation 1: slight irritation 2: irritation 3: strong irritation Based on the first standard and the second standard, sulfur-containing aluminum silicate (Tanakura clay), silicic anhydride (mineral-derived silica), light calcium carbonate, hydroxyapatite and cyclodextrin were selected, and as the deodorant composition to be evaluated, The following deodorant samples 1-5 were produced. The aforementioned inclusions are in powder form. Among the aforementioned inclusions, sulfur-containing aluminum silicate, anhydrous silicic acid, light calcium carbonate and hydroxyapatite, excluding cyclodextrin, are porous substances. The first criterion is that it can be applied directly to human skin. The second criterion is availability and low cost.
[Deodorant sample]
Deodorant sample 1: sulfur-containing aluminum silicate (2% by mass), milky lotion (remainder)
Deodorant sample 2: silicic anhydride (2% by mass), milky lotion (remainder)
Deodorant sample 3: light calcium carbonate (2% by mass), milky lotion (remainder)
Deodorant sample 4: hydroxyapatite (2% by mass), emulsion (remainder)
Deodorant sample 5: cyclodextrin (2% by mass), milky lotion (remainder)
A commercially available emulsion (manufactured by Jolieve Co., Ltd.) was used for producing deodorant samples 1 to 5. This emulsion contains water, ethanol, glycerin, butylene glycol, PEG-60 hydrogenated castor oil, sodium citrate and phenoxyethanol. In each deodorant composition of deodorant samples 1 to 5, the ingredients are dispersed in the emulsion.

In the deodorant samples 1 to 5, the concentration of the contained material was constant at 2% by mass. This is to prevent a difference in deodorizing ability such as adsorption ability or clathrate ability from occurring due to a difference in concentration of the content. For example, in the case of ingredients having the same deodorizing ability, the deodorant composition is considered to have a higher deodorizing ability as the concentration of the ingredients increases. In addition, 2% by mass as the concentration of the content was considered so that the feeling of use when the deodorant composition was made into a product would not be unpleasant. Here, examples of cases where the feeling of use is unpleasant include stickiness or insufficient spread when applied to the skin. However, 2% by mass of the concentration of the inclusion is a provisional value that the inventor considers to be suitable for any of the five types of inclusions described above. Preferred concentrations are described later.

(3) In Experiment 2, deodorant samples 1 to 5 were applied to the cloth pieces to which the sample solutions A to G were dropped, respectively, and each cloth was treated immediately after application, 10 minutes after application, and 6 hours after application. 3 times, the irritation remaining on the piece of cloth was sensory evaluated according to the evaluation criteria for the irritation described above. The size of one piece of cloth was 2×2 cm. One kind of sample liquid was dropped and one kind of deodorizing sample was applied to one piece of cloth. Therefore, the total number of combinations of deodorant samples 1 to 5 and sample solutions A to G is 35 (deodorant sample x sample solution = 5 x 7).

The amount of the sample liquids A to J dropped and the amount of the deodorant samples 1 to 5 applied to one piece of cloth were "dropped amount: applied amount=1:5". As a specific amount, the applied amount of the deodorizing sample was set to 100 μl for the dropping amount of the odor sample of 20 μl.

The sensory evaluation mentioned above was implemented by three evaluators. Therefore, the sensory evaluation was performed three times in total for one combination of the deodorant sample and the sample solution. After performing the sensory evaluation immediately after application and after performing the sensory evaluation 10 minutes after application, the cloth piece was immediately sealed in a glass bottle, and until the next timing, no leakage of PATM-causing substances occurred. stored in The evaluation values at each timing immediately after application, 10 minutes after application, and 6 hours after application are the average values of 3 times at each timing, rounded up to a single-digit integer with the number of significant digits as single digits. is. For example, it is assumed that the evaluation value immediately after application of a predetermined combination of the deodorant sample and the sample solution was 0 two times out of three and 1 the remaining time. In this case, the average value was 0.33 (1/3), but the decimal point was rounded up to give an “evaluation value: 1”. "Evaluation value: 0" indicates that all three evaluations were "evaluation value: 0".

The sensory evaluation was performed immediately after application, 10 minutes after application, and 6 hours after application, taking into consideration the immediate effect and durability of the deodorizing effect. It is assumed that the deodorant composition is filled in a predetermined container and commercialized as a deodorant product. In this case, if about 10 minutes have passed since the application, the user is aware that the deodorant composition has been applied, and naturally expects the deodorizing effect at this point. In addition, it is assumed that the user is not aware that the deodorant composition has been applied after about 6 hours from application, but the deodorant effect continues until this point. leads to improvement of product value.

<Experimental results>
The experimental results of Experiment 2 are shown in Table 1. The three evaluation values shown side by side in each frame in Table 1 are the evaluation values "immediately after application", "10 minutes after application", and "6 hours after application".

As is clear from the results shown in Table 1, none of the deodorant samples 1 to 5 had a deodorant sample that gave an immediate and sustained deodorant effect for all of the sample solutions A to G. do not have. However, with the deodorizing sample 1, the deodorizing effect is not immediately effective with respect to the sample liquids B, C, and G, but the deodorizing effect is obtained with the lapse of time, and the deodorizing effect lasts. On the other hand, in the deodorant sample 5, the deodorant effect is not sustained, but the deodorant effect is immediate. Further, in the deodorant sample 1, the deodorant effect was not immediately effective and sustained in comparison with the sample solution F, but in the deodorant sample 5, the deodorant effect was immediate and sustained compared to the sample solution F. is allowed. That is, according to Experiment 2, by combining the sulfur-containing aluminum silicate of deodorant sample 1 and the cyclodextrin of deodorant sample 5, the deodorant effect was immediate and sustained for all sample solutions A to G. It became clear that

<Experiment 3>
Experiment 3 was carried out by the following experimental method, and the following experimental results were obtained from Experiment 3.

<Experimental method>
In Experiment 3, the following deodorant samples 6 to 19 were produced by changing the concentrations of sulfur-containing aluminum silicate of deodorant sample 1 and cyclodextrin of deodorant sample 5. As in Experiment 2, deodorant samples 6 to 19 were produced using a milky lotion manufactured by Jolieve Co., Ltd. Regarding the two values shown as the concentration of deodorant samples 6 to 19 and the remainder, the first value indicates the concentration of sulfur-containing aluminum silicate, the second value indicates the concentration of cyclodextrin, and the third value indicates the concentration of cyclodextrin. The balance indicates that the balance is emulsion.
[Deodorant sample]
Deodorant sample 6: 0.1% by mass, 2% by mass, balance Deodorant sample 7: 0.5% by mass, 2% by mass, balance Deodorant sample 8: 1% by mass, 2% by mass, balance Deodorant sample 9 : 1.5% by mass, 2% by mass, balance deodorant sample 10: 2% by mass, 1.5% by mass, balance deodorant sample 11: 2% by mass, 1% by mass, balance deodorant sample 12: 2% by mass , 0.5% by mass, balance deodorant sample 13: 2% by mass, 0.1% by mass, balance deodorant sample 14: 0.5% by mass, 1% by mass, balance deodorant sample 15: 0.8% by mass , 1% by mass, balance deodorant sample 16: 1% by mass, 1% by mass, balance deodorant sample 17: 1% by mass, 0.8% by mass, balance deodorant sample 18: 1% by mass, 0.5% by mass , Balance: Deodorizing Sample 19: 0.8% by mass, 0.8% by mass, Balance In Experiment 3, the sample solution G of Experiment 2 was used as the sample solution containing the PATM-causing substance. The sample liquid G contains all of the selected first-class causative substances to fifth-class causative substances (six types in total). Therefore, a comprehensive evaluation can be made of the deodorizing ability against PATM-causing substances.

(2) In Experiment 3, as in Experiment 2, each of the deodorant samples 6 to 19 was applied to the piece of cloth (size: 2 × 2 cm) onto which the sample liquid G was dropped. After 10 minutes and 6 hours from the application, the feeling of irritation remaining on the piece of cloth was sensory evaluated three times according to the evaluation criteria for the feeling of irritation described above. One type of deodorant sample was applied to one piece of cloth onto which the sample liquid G was dropped. Therefore, the total number of combinations of deodorant samples 6 to 19 and sample liquid G is 14 (deodorant sample x sample liquid = 14 x 1). Other experimental methods, such as the drop amount of the sample liquid G and the amount of the deodorant samples 6 to 19 applied to one piece of cloth, the method of sensory evaluation by three evaluators, and the method of calculating the evaluation value, were also used in the experiment. Same as 2. Therefore, other descriptions of the experimental method of Experiment 3 are omitted.

<Experimental results>
The experimental results of Experiment 3 are shown in Table 2. In each combination of deodorant samples 6 to 19 and sample solution G shown in Table 2, the three evaluation values shown side by side are "immediately after application", "10 minutes after application", and "6 hours after application". Each evaluation value.

As is clear from the results shown in Table 2, deodorant samples 8 to 11 and 16 had sensory evaluation values of "0" immediately after application, 10 minutes after application, and 6 hours after application. In other words, from Experiment 3, it is clear that in the combination of sulfur-containing aluminum silicate and cyclodextrin, the concentration of each ingredient is set to 1% by mass or more to obtain an immediate and sustained deodorizing effect. Became. In other words, it is clear that the lower limits of the concentrations of sulfur-containing aluminum silicate and cyclodextrin that can provide immediate and sustained deodorant effects in the deodorant composition are both 1% by mass. (See "Deodorant Sample 16").

<Experiment 4>
Experiment 4 was carried out by the following experimental method, and the following experimental results were obtained from Experiment 4.

<Experimental method>
(1) In Experiment 4, the deodorant sample 16 of Experiment 3 was employed as the deodorant composition. Subjects were three subjects X1 to X3 among the first-class subjects classified in Experiment 1 who had a PATM responder to themselves among their cohabitants. Subject X1 has two PATM responders with severe PATM reactions in housemates. Subject X2 has one PATM responder in the same household. Subject X3 has a PATM responder in the same household. Experiment 4 was conducted individually for the combination of subject X1 and housemate Y1, the combination of subject X2 and housemate Y2, and the combination of subject X3 and housemate Y3. Housemate Y1 is one of two PATM responders to subject X1. Housemate Y2 is the aforementioned PATM responder to subject X2. Housemate Y3 is the aforementioned PATM responder to subject X3.

In the explanation of Experiment 4, when the subjects X1 to X3 are not distinguished or collectively referred to as "subject X", when the cohabitants Y1 to Y3 are not distinguished or collectively referred to, "cohabitant Y ”. However, the combination of subject X and cohabitant Y is as described above.

(2) In Experiment 4, deodorant sample 16 was applied to subjects X1 to X3 in the following range in the following total amount. The range of application was the range corresponding to the part where the odor or irritation was detected on each of the T-shirts of subjects X1 to X3 when the second procedure in the experimental procedure of Experiment 1 was carried out. After the deodorant sample 16 was applied to the subject X, the subject X and the cohabitant Y of the same group entered the examination room at the next three timings and stood still for 10 minutes. The examination room was a closed room. After 10 minutes, subject X and cohabitant Y performed a sensory evaluation of their sensations according to the evaluation criteria shown below. That is, subject X sensory-evaluated his own senses according to the PATM causer-side evaluation criteria shown below, and cohabitant Y sensory-evaluated his own sensations described above according to the PATM responder-side evaluation criteria shown below. . The three timings mentioned above are immediately after application, 3 hours and 6 hours after application. Subject X and housemate Y left the examination room after 10 minutes. After the subject X and the cohabitant Y left the room, the examination room was kept closed until the next timing, during which the air in the examination room was cleaned.
[Coating range/total coating amount]
Subject X1
Application range: whole upper body except abdomen Total amount of application: 10ml
Subject X2
Application range: Neck and back area along the spine Total amount of application: 5ml
Subject X3
Application area: Underarms, around neck and shoulder blades Total amount applied: 10ml
[PATM Causative Side Evaluation Criteria]
0: PATM reaction is not observed at all from the PATM responder (it can be confirmed that there is no PATM reaction at all in the PATM responder)
1: A slight PATM reaction can be observed from a PATM responder 2: A considerable PATM reaction can be observed from a PATM responder 3: A strong PATM reaction can be observed from a PATM responder [PATM responder side evaluation criteria]
0: No stimulation at all 1: Slight stimulation, PATM reaction can be recognized 2: Stimulation, clear PATM reaction 3: Strong stimulation <Experimental results>
The experimental results of Experiment 4 are shown in Table 3. In subject X1 and cohabitant Y1, subject X1 has a recognition of the evaluation value "3" of the PATM cause side evaluation criteria in real life with cohabitant Y1, and cohabitant Y1 has a real life with subject X1. Has recognition of evaluation value "3" of PATM responder side evaluation criteria. On the other hand, in Experiment 4, both the subject X1 and the cohabitant Y1 showed improvements in the evaluation values at all three timings.

In subject X2 and cohabitant Y2, subject X2 has a recognition of the evaluation value "2" of the PATM causer side evaluation criteria in real life with cohabitant Y2, and cohabitant Y2 has a real life with subject X2. Has a recognition of the evaluation value "1" of the PATM responder side evaluation criteria. On the other hand, in Experiment 4, both the subject X2 and the cohabitant Y2 showed improvements in the evaluation values at all three timings.

Regarding subject X3 and cohabitant Y3, subject X3 has a recognition of the evaluation value "3" of the PATM causer side evaluation criteria in real life with cohabitant Y3, and cohabitant Y3 has a real life with subject X3. Has a recognition of the evaluation value "2" of the PATM responder side evaluation criteria. On the other hand, in Experiment 4, both the subject X3 and the cohabitant Y3 showed improvements in the evaluation values at all three timings.

In other words, Experiment 4 confirmed that the deodorizing sample 16 had an immediate and sustained deodorizing effect on the three subjects X.

<Experiment 5>
Experiment 5 was carried out by the following experimental method, and the following experimental results were obtained from Experiment 5.

By the way, PATM-causing substances include those causing armpit odor. For example, hydrocarbons such as 2,2,4,6,6-pentamethylheptane exemplified as the fifth class causative substance are causative substances of armpit odor. That is, among hydrocarbons, substances with a dusty odor and an irritating feeling are common to the dustiness of armpit odor, and are contained in the secretions of those who clearly have symptoms of armpit odor. Isobutyraldehyde, which is exemplified as the second-class causative substance, is also a causative substance of armpit odor. Isobutyraldehyde has a burning odor. The odor similar to chlorine is also peculiar to armpit odor. In addition, aldehydes with a grassy smell or aldehydes with an oily odor are exemplified as causative substances of aging odor. include. Examples of grassy aldehydes include 2-nonenal and 2-dodecenal. Nonanal and octanal are exemplified as aldehydes characterized by an oily odor.

<Experimental method>
(1) In Experiment 5, the deodorant sample 16 of Experiment 3 was employed as the deodorant composition. The subjects were two subjects X4 and X5 who were aware of armpit odor and two subjects X6 and X7 who were aware of aging odor. Subject X4 is a man in his thirties, and subject X5 is a woman in her twenties. Subject X6 is a woman in her fifties, and subject X7 is a man in her forties. In Experiment 5, as in Experiment 4, cooperation was obtained from cohabitants Y4 to Y7 of subjects X4 to X7. Then, Experiment 5 was conducted individually for the combination of subject X4 and housemate Y4, the combination of subject X5 and housemate Y5, the combination of subject X6 and housemate Y6, and the combination of subject X7 and housemate Y7. Cohabitant Y4 is a woman in her twenties and the wife of subject X4. Housemate Y5 is a woman in her fifties and the mother of test subject X5. Housemate Y6 is a woman in her twenties and the daughter of test subject X6. Cohabitant Y7 is a woman in her 40s and the wife of subject X7.

In the explanation of Experiment 5, when the subjects X4 to X7 are not distinguished or collectively referred to as "subject X", when the cohabitants Y4 to Y7 are not distinguished or collectively referred to, "cohabitant Y ”. However, the combination of subject X and cohabitant Y is as described above.

(2) In Experiment 5, deodorant sample 16 was applied to subjects X4 to X7 in the following range in the following total amount. After applying the deodorant sample 16 to the subjects X4 to X7, the subject X and the cohabitant Y sensory the subject X according to the 6-step odor intensity indication method and the 9-step odor comfort/discomfort indication method at the following three timings. evaluated. The three timings mentioned above are immediately after application, 3 hours and 6 hours after application.
[Coating range/total coating amount]
Subject X4
Application range: underarms, secondary breasts, around nipples Total amount applied: 5ml
Subject X5
Application range: Underarms Total amount of application: 3ml
Subject X6
Application area: Around the neck, inside the shoulder blades of the entire back Total amount of application: 5ml
Subject X7
Application range: Around the neck, upper back, underarms Total amount of application: 10ml
[6-step odor intensity display method]
0: Odorless 1: Barely perceptible odor 2: Weakly recognizable odor 3: Easily perceivable odor 4: Strong odor 5: Strong odor [9-level pleasure and discomfort scale]
-4: Extremely uncomfortable -3: Very uncomfortable -2: Unpleasant -1: Slightly uncomfortable 0: Neither pleasant nor unpleasant 1: Slightly comfortable 2: Comfortable 3: Very comfortable 4: Extremely comfortable <Experimental results>
(1) Table 4 shows the experimental results of Experiment 5. Regarding the two evaluation values shown side by side in each frame in Table 4, the values outside the parentheses are the evaluation values according to the 6-level odor intensity display method, and the values in parentheses are the evaluation values according to the 9-level comfort/discomfort display method. show. For subject X4 and cohabitant Y4, subject X4 recognized an evaluation value of "5" in the 6-level odor intensity indication method and an evaluation value of "-4" in the 9-level comfort/discomfort indication method in real life with cohabitant Y4. In real life with subject X4, cohabitant Y4 recognized an evaluation value of "3" in the 6-step odor intensity expression method and an evaluation value of "-2" in the 9-step comfort/discomfort expression method. On the other hand, in Experiment 5, both the subject X4 and the cohabitant Y4 showed improvements in the evaluation values at all three timings.

For subject X5 and cohabitant Y5, subject X5 recognized an evaluation value of "4" in the 6-level odor intensity indication method and an evaluation value of "-3" in the 9-level comfort and discomfort indication method in real life with cohabitant Y5. In real life with subject X5, cohabitant Y5 recognizes an evaluation value of "2" in the 6-step odor intensity display method and an evaluation value of "0" in the 9-step comfort and discomfort degree display method. On the other hand, in Experiment 5, both the subject X5 and the cohabitant Y5 showed improvements in the evaluation values at all three timings.

For subject X6 and cohabitant Y6, subject X6 recognized an evaluation value of "3" in the 6-level odor intensity indication method and an evaluation value of "-4" in the 9-level comfort/discomfort indication method in real life with cohabitant Y6. In real life, cohabitant Y6 recognizes an evaluation value of "2" in the 6-step odor intensity display method and an evaluation value of "-1" in the 9-step comfort/discomfort display method in real life with subject X6. On the other hand, in Experiment 5, both the subject X6 and the cohabitant Y6 showed improvements in the evaluation values at all three timings.

For subject X7 and cohabitant Y7, subject X7 recognized the evaluation value "3" of the 6-level odor intensity indication method and the evaluation value "-2" of the 9-level comfort/discomfort indication method in real life with cohabitant Y7. In real life with subject X7, cohabitant Y7 recognizes an evaluation value of "4" according to the 6-level odor intensity method and an evaluation value of "-3" according to the 9-level comfort/discomfort method. On the other hand, in Experiment 5, both the subject X7 and the cohabitant Y7 showed improvements in the evaluation values at all three timings.

In other words, Experiment 5 confirmed that the deodorizing sample 16 had an immediate and sustained deodorizing effect on the subject X who was aware of either armpit odor or aging odor.

<Effects of Embodiment>
According to the embodiment, the following effects can be obtained.

(1) The deodorant composition contains a porous material. Pores are formed in the porous material. The pores are micropores or mesopores. The deodorant composition contains cyclodextrin. Additionally, the deodorant composition comprises an emulsion. Therefore, application to the human body surface (skin) is facilitated. The human body surface can adsorb volatile substances from the human body surface and enclose the volatile substances from the human body surface. Emission of volatile substances from the surface of the human body can be suppressed. Either or both of odor and irritation caused by volatile substances can be eliminated or reduced.

(2) The deodorant composition contains sulfur-containing aluminum silicate as the porous material. The deodorant composition contains 1 mass % or more of sulfur-containing aluminum silicate, which is a porous substance, and 1 mass % or more of cyclodextrin. Therefore, excellent characteristics are obtained with respect to adsorption and inclusion of volatile substances from the surface of the human body. For example, it is possible to obtain a deodorant effect against PATM reaction, armpit odor and aging odor. Furthermore, the deodorizing effect can be exhibited immediately and continuously.

<Modification>
Embodiments can also be as follows. Some of the configurations of the modifications shown below can also be employed in combination as appropriate. Differences from the above will be described below, and descriptions of similar points will be omitted as appropriate.

(1) The deodorant composition contains sulfur-containing aluminum silicate as a porous material. In the deodorant composition, the porous material may be a material other than the sulfur-containing aluminum silicate. However, in the deodorant composition, it is preferable to employ a porous material having an adsorption capacity equivalent to that of sulfur-containing aluminum silicate.

(2) In the deodorant composition, the concentration of the porous material should be 10% by mass or less. If the concentration of the porous material is higher than 10% by mass, the appearance of the deodorant composition deteriorates. Furthermore, the stability is lowered due to sedimentation of the porous material, which is powder (fine particles). In order to improve such a phenomenon, the concentration of the porous substance should be 5% by mass or less.

Moreover, in the deodorant composition, the concentration of cyclodextrin is preferably 10% by mass or less. When the concentration of cyclodextrin is higher than 10% by mass, it becomes difficult to eliminate stickiness after applying the deodorant composition to the skin (human body surface). In order to improve such a phenomenon, the concentration of cyclodextrin should be 5% by mass or less.

(3) In the examples, a milky lotion manufactured by Jolieve Co., Ltd. was used as the milky lotion. Different emulsions can also be employed in deodorant compositions. For the deodorant composition, an appropriate latex is appropriately determined in consideration of various conditions. The deodorant composition may be either liquid or cream.

Claims (2)

Porous materials with pores that are micropores or mesoporesWhen,
a cyclodextrin;
emulsion; includesfruit,
The porous material is sulfur-containing aluminum silicate,
Containing 1% by mass or more and 10% by mass or less of sulfur-containing aluminum silicate as the porous material,
Containing 1% by mass or more and 10% by mass or less of cyclodextrin, Deodorant composition. Containing 1% by mass or more and 5% by mass or less of sulfur-containing aluminum silicate as the porous material,
Containing 1% by mass or more and 5% by mass or less of cyclodextrin, The deodorant composition according to claim 1.