JP7144841B2 - balm for hair - Google Patents

Description

The present invention relates to hair balms.

In recent years, balms have been distributed in the market as cosmetics for moisturizing the skin, nails, hair, etc., and are gaining popularity. This balm contains semi-solid to solid oils such as beeswax and shea butter as main ingredients, and has a semi-solid to solid dosage form.

Balms are known to impart long-lasting moisture and manageability to the hair when applied to the hair. However, since it contains a large amount of semi-solid to solid oil, it has the drawback of making the hair sticky and having a heavy texture.

As a prior art for hair styling preparations containing semi-solid to solid oils, for example, Patent Document 1 discloses an emulsified cosmetic composition for hair styling in which an oily component such as wax is blended with a film-forming polymer.

JP 2004-182612 A

The invention disclosed in Patent Document 1 is excellent in hairstyle forming properties, but still has stiffness and stickiness, and is not of satisfactory quality.
The present inventor tried to reduce the amount of semi-solid to solid oil contained in the balm while studying the improvement of stiffness and stickiness. It was not possible to improve and improve finger combing.
In view of the above, an object of the present invention is to provide a hair balm that is excellent in finger combing and moisturizing of the hair.

The present inventors have diligently studied to solve the above problems. As a result, the inventors have found that a hair balm having the following constitution can solve the above problems, and have completed the present invention.
The present invention is, for example, the following [1] to [5].
[1] A hair balm containing 70 to 99% by mass of a liquid oil (A) and 1 to 30% by mass of a solidifying agent (B) that solidifies the liquid oil (A).
[2] The hair balm according to [1], containing 0.1 to 5% by mass of a nonionic surfactant (C).
[3] The liquid oil (A) is tri (caprylic/capric) glyceryl/jojoba seed oil esters, tri (caprylic/capric) glyceryl, ethyl olive oleate, isopropyl palmitate, cetyl ethylhexanoate, The hair balm according to [1] or [2], which is at least one selected from cyclomethicone, olive oil and isododecane.
[4] The solidifying agent (B) is at least one selected from candelilla wax hydrocarbons, trifatty acid (C10-18) glyceryl, and hydrogenated (styrene/isoprene) copolymers [1] to [3] ] The hair balm according to any one of the above.
[5] The hair balm according to [2], wherein the nonionic surfactant (C) has an HLB of 8 to 18.

INDUSTRIAL APPLICABILITY The present invention can provide a hair balm that is excellent in finger combability and moisture.

Next, the hair balm of the present invention will be specifically described.
<Hair balm>
A balm generally means a cream or ointment that has a semi-solid to solid dosage form at room temperature and has a very high viscosity.
The hair balm of the present invention contains 70 to 99% by mass of liquid oil (A) and 1 to 30% by mass of solidifying agent (B) for solidifying said liquid oil (A).

The hair balm of the present invention optionally contains 0.1 to 5% by mass of a nonionic surfactant (C), more preferably a nonionic surfactant (C) having an HLB of 8 to 18. preferable. Moreover, other components may be included as necessary.
In addition, the content of each component described above indicates the content when the hair balm is 100% by mass.

<Liquid oil (A)>
The hair balm of the present invention contains 70 to 99% by mass of the liquid oil (A), preferably 80 to 97.5% by mass, more preferably 90 to 95% by mass.
The liquid oil (A) used in the hair balm of the present invention refers to oil that is liquid at 25°C.

By containing the liquid oil (A) in the above amount, the hair balm of the present invention can moisturize the hair and impart finger combability. If the amount is more than the upper limit, finger combability will be poor. In addition, the formulation does not change from semi-solid to solid, and the stability is also lowered. If the amount is less than the lower limit, the hair cannot be moisturized. In addition, the formulation is too hard, making it very difficult to take.

Specific examples of the liquid oil (A) include isododecane, dodecane, mineral oil, hydrocarbons such as squalane; isopropyl myristate, tri (caprylic/capric) glyceryl/jojoba seed oil esters, tri (caprylic/capric) acid) ester oils such as glyceryl, ethyl olive oleate, isopropyl palmitate and cetyl ethylhexanoate; silicones such as cyclomethicone and dimethicone; vegetable oils such as olive oil, macadamia nut oil, rice bran oil and camellia oil; Among these, tri (caprylic acid / capric acid) glyceryl / jojoba seed oil esters, tri (caprylic acid / capric acid) glyceryl, olive oleic acid, from the viewpoint of good spreadability by hand and excellent stability over time Ethyl, isopropyl palmitate, cetyl ethylhexanoate, cyclomethicone, olive oil, isododecane are preferred, tri (caprylic / capric) glyceryl / jojoba seed oil esters, ethyl olive oleate, tri (caprylic / capric) glyceryl, Isopropyl palmitate and cetyl ethylhexanoate are more preferred, and tri(caprylic/capric)glyceryl/jojoba seed oil esters are particularly preferred.
The liquid oil (A) may be used singly or in combination of two or more.

<Solidifying agent (B)>
The hair balm of the present invention contains 1 to 30% by mass, preferably 2.5 to 20% by mass, and 5 to 10% by mass of a solidifying agent (B) that solidifies the liquid oil (A). is more preferred.

The hair balm of the present invention can have a semi-solid to solid dosage form at 25° C. by containing the above amount of the solidifying agent (B). If the amount is more than the above upper limit, the dosage form becomes too hard and becomes very difficult to take. If the amount is less than the above lower limit, the dosage form will be too soft and difficult to take, and the stability will be poor.

Specific examples of solidifying agents (B) include dextrin palmitate, hydrogenated (styrene/isoprene) copolymers, candelilla wax hydrocarbons, and trifatty acid (C10-18) glyceryl. Among these, candelilla wax hydrocarbons, tri-fatty acid (C10-18) glyceryl, and hydrogenated (styrene/isoprene) copolymers are preferable because they are less sticky and are excellent in washing off. Candelilla wax hydrocarbons and tri-fatty acids ( C10-18) Glyceryls are more preferred, and candelilla wax hydrocarbons are particularly preferred. In the above description, the parentheses following the tri-fatty acid mean the number of carbon atoms in the fatty acid.
The solidifying agent (B) may be used singly or in combination of two or more.

<Nonionic surfactant (C)>
The hair balm of the present invention preferably contains 0.1 to 5% by mass, more preferably 1 to 2.5% by mass, of the nonionic surfactant (C).
The hair balm of the present invention preferably contains a nonionic surfactant (C) having an HLB of 8-18.
The hair balm of the present invention optionally contains a nonionic surfactant (C) in the above amount, which is preferable because it further improves wash-off.

Nonionic surfactants (C) include, for example, polyoxyethylene alkyl ethers, polyoxyethylene sorbitan fatty acid esters, polyethylene glycol monostearate, polyoxyethylene hydrogenated castor oil, and polyoxyethylene glyceryl triisostearate. Specific examples include ceteth-20, PEG-50 hydrogenated castor oil, and triisostearin PEG-20 glyceryl. Among these, those with an HLB of 8 to 18 are preferable, and Ceteth-20 is more preferable, because they are excellent in washing off.
Nonionic surfactants (C) may be used singly or in combination of two or more.

<Other ingredients>
The hair balm of the present invention contains thickening agents, sequestering agents, moisturizing agents, herbal medicines, pH adjusters, chelating agents, preservatives, and antioxidants, in addition to the above ingredients, as long as the effects of the present invention are not impaired. , cooling agents, vitamins, proteins, fragrances, antibacterial agents, and pigments.

The hair balms of the present invention are preferably substantially free of water. The phrase “substantially free of water” means that water present as an impurity in each component and water mixed in from the atmosphere during the production of the hair balm of the present invention may be contained in the hair balm. but usually means that no water is intentionally added. "Substantially free of water" specifically means that the water content in the hair balm of the present invention is usually 0 to 2% by mass, preferably 0 to 0.5% by mass, and more preferably. means 0 to 0.1% by mass.

In the hair balm of the present invention, for example, stearic acid and carboxyvinyl polymer can be used as thickeners, triethanolamine (TEA) can be used as pH adjuster, and ethylenediamine can be used as sequestering agent. Disodium dihydrogen tetraacetate (EDTA-2Na) can be used.

<Production of hair balm, etc.>
The hair balm of the present invention can be produced by, for example, stirring, mixing, heating, dissolving, dispersing, etc., by a known method, except that each component described above is used in the amount described above. It is not particularly limited. As for the production method, it is preferable to produce the hair balm of the present invention under heating conditions, for example, heating conditions of 75 to 85° C., in order to uniformly mix each component.

<Application>
The hair balm of the present invention can be used by applying it to the hair, and is excellent in finger combing and moisturizing of the hair.

EXAMPLES Next, the present invention will be described in more detail with reference to Examples, but the present invention is not limited to these.
[Examples 1 to 19, Comparative Examples 1 to 2]
A hair balm was produced by mixing each component according to the formulation shown in Tables 1 and 2, and evaluated as a sample by the following methods. The formula values in the table represent mass % of each component based on 100 mass % of the hair balm. Results are shown in Tables 1 and 2.
In addition, each component described in Table 1 and Table 2 used the following commercial items.

<Liquid oil (A)>
Tri (caprylic/capric) glyceryl/jojoba seed oil esters: Product name Technol LTO (Yokozeki Oil Industry Co., Ltd.)
Tri (caprylic/capric) glyceryl: Product name Clodamol GTCC (Croda Japan Co., Ltd.)
Ethyl olive oleate: Product name Nikkor EOO (Nikko Chemicals Co., Ltd.)
Cyclomethicone: Product name KF995 (Shin-Etsu Chemical Co., Ltd.)
Olive oil: Product name: Refined Olive Oil (DSP Gokyo Food & Chemical Co., Ltd.)
Isododecane: Product name ISODODECANE (Kaneda Corporation)
<Solidifying agent (B)>
Candelilla wax hydrocarbon: Product name Candelilla wax hydrocarbon FC-31 (Japan Natural Products Co., Ltd.)
Trifatty acid (C10-18) glyceryl: product name Olifeel Pearls (ROELMI HPC SRL)
Hydrogenated (styrene/isoprene) copolymer: product name Pioneer Gel 12 PAO (Hansen & Rosenthal KG)
<Nonionic surfactant (C)>
Seteth-20: Product name: EMALEX 120 (Nippon Emulsion Co., Ltd.)
PEG-50 hydrogenated castor oil: Product name: EMALEX HC-50 (Nippon Emulsion Co., Ltd.)
PEG-20 glyceryl triisostearate: Product name EMALEX GWIS-320 (Nippon Emulsion Co., Ltd.)

〔sensory evaluation〕
Under room temperature (25°C) conditions, 10 professional panelists (beauticians) each took 1 g of the sample in their hands, and applied it to the human hair wig UN manufactured by PAMS, which had a top of 40 cm and a nape of 25 cm. The mixture was applied evenly, and immediately after that, hair flow (hair style) was made. Sensory evaluation was performed on the flow of hair (hair style) according to the evaluation items and evaluation criteria described in (1) to (6). The average of 10 evaluation points was calculated for each item, and evaluated as follows.
The sensory evaluation of (1) to (3) was made into a four-grade evaluation of ⊚, ∘, Δ, or x.
A: The average evaluation score of 10 professional panelists (cosmetologists) is 3.5 points or more.
◯: The average evaluation score of 10 professional panelists (beauticians) is 2.5 or more and less than 3.5.
Δ: The average evaluation score of 10 professional panelists (beauticians) is 1.5 or more and less than 2.5.
x: The average evaluation score of 10 professional panelists (cosmetologists) is less than 1.5 points.

Regarding (3), as will be described later, there are different evaluations [A] and [B] for the same score.
In order to indicate which of [A] or [B] received the most evaluation, ○[A], ○[B], ×[A], ×[B] were written. In other words, items with [A], such as O [A], indicate that more expert panelists evaluated [A] than [B].

The sensory evaluation of (4) to (6) was made into three grades of ⊚, ◯, and ×.
A: The average evaluation score of 10 professional panelists (cosmetologists) is 2.5 points or more.
◯, ◯ [A], or ◯ [B]: The average evaluation score of 10 professional panelists (beauticians) is 1.5 points or more and less than 2.5 points.
×, ×[A], or ×[B]: The average evaluation score of 10 professional panelists (beauticians) is less than 1.5 points.

Regarding (4), as will be described later, there are different evaluations [A] and [B] for the same score. In order to indicate which of [A] or [B] received the most evaluation, ○[A], ○[B], ×[A], ×[B] were written. In other words, items with [A], such as O [A], indicate that more expert panelists evaluated [A] than [B].
As for (6), some examples were evaluated.

〔Evaluation of the physical properties〕
Physical properties were evaluated according to the evaluation items and evaluation criteria described in (7) below. The physical properties were evaluated on a three-grade scale of ⊚, ◯, or ×, as in the sensory evaluations of (4) to (6) above.
[Evaluation items and evaluation criteria]
(1) Good combability with fingers The texture of hair combed by hand along the flow of hair (hairstyle) was evaluated by tactile sensation.
4 points: very good finger combing 3 points: good finger combing 2 points: slightly poor finger combing 1 point: very poor finger combing (2) Moisture The moistness of hair flow (hair style) was evaluated by touch. .
4 points: Firmly moistened 3 points: Moisturized 2 points: Slightly moistened 1 point: Not moistened (3) Gloss The luster of flowing hair (hairstyle) was visually evaluated.
4 points: Very glossy 3 points [A]: Glossy 3 points [B]: A little glistening and unnatural gloss is not noticeable 2 points [A]: Not so glossy 2 points [B]: Glistening and unnatural gloss 1 point [A]: Not glossy 1 point [B]: Quite glaring and unnatural gloss (4) Ease of taking the formulation Under room temperature (25°C) conditions, the ease of taking 1 g of the sample was evaluated by touch.
3 points: Very easy to remove 2 points [A]: Too soft and a little difficult to remove, but no problem 2 points [B]: Too hard and a little difficult to remove, but no problem 1 point [A]: Too soft and very difficult Difficult to remove 1 point [B]: Too hard and very difficult to remove (5) Ease of stretching by hand Under the conditions of room temperature (25 ° C), the goodness of stretching when 1 g of the sample is stretched with the palm of the hand. Evaluated by tactile sensation.
3 points: very easy to stretch 2 points: easy to stretch 1 point: difficult to stretch (6) Good washability After the wig with hair flow (hair style) is sufficiently dry, wet the hair with water and add 10% laureth. It was washed with 1.0 g of an aqueous sodium sulfate solution for 30 seconds, and then washed with water at a water temperature of about 38° C. for 1 minute. The tactile sensation was used to evaluate the ease of rinsing off.
3 points: Very good wash off 2 points: Slight residue but good wash off 1 point: Very poor wash off (7) Stability Fill 80 g of the sample in a glass bottle with a capacity of 100 mL and heat at 25 ° C. After storage for 6 months, the appearance of the formulations was visually evaluated.
3 points: No change in appearance, very stable condition 2 points: Slight change in appearance, decrease in viscosity, occurrence of granules, slight change in aroma, but within a range that poses no problem as an agent Yes 1 point: The appearance has changed considerably, and there is a decrease in viscosity, the occurrence of grains, and a change in fragrance.

All of the hair balms produced in Examples 1 to 19 gave good results in all evaluation items (1) to (7). Moreover, Examples 3, 4, 15, 16, 18, and 19 gave particularly good results.

It can be seen that the hair balm of the present invention is excellent in finger combability, moisturizing and gloss. In addition, it can be seen that the formulation is semi-solid to solid and is excellent in stability to maintain the appearance and physical properties for a certain period of time.

The hair balm produced in Comparative Example 1 contained a large amount of the liquid oil (A) and a small amount of the solidifying agent (B), resulting in poor finger combability. In addition, the agent was too soft and very difficult to remove, and had low stability.

The hair balm produced in Comparative Example 2 lacked moisture because the blended amount of the liquid oil (A) was small and the blended amount of the solidifying agent (B) was large. In addition, the agent was too hard and very difficult to remove and difficult to spread by hand.

Claims (4)

70 to 99% by mass of the liquid oil (A),
1 to 30% by mass of a solidifying agent (B) that solidifies the liquid oil (A) ,
The hair balm , wherein the solidifying agent (B) is at least one selected from candelilla wax hydrocarbons and tri-fatty acid (C10-18) glyceryl . The hair balm according to claim 1, comprising 0.1 to 5% by mass of nonionic surfactant (C). The liquid oil (A) is tri (caprylic/capric) glyceryl/jojoba seed oil esters, tri (caprylic/capric) glyceryl, ethyl olive oleate, isopropyl palmitate, cetyl ethylhexanoate, cyclomethicone, 3. The hair balm according to claim 1 or 2, which is at least one selected from olive oil and isododecane. 3. The hair balm according to claim 2, wherein the nonionic surfactant (C) has an HLB of 8-18.