JP2001081023A - Pyrogenic cosmetics - Google Patents

Abstract

(57) [Summary] [PROBLEMS] A non-aqueous heating agent that effectively warms skin and hair, is faster, promotes blood circulation, activates skin and scalp, expands pores, and has excellent penetration and dyeing of hair dyes. Offer. A substantially non-aqueous system containing activated zeolite and a polyether-modified silicone oil or having an average degree of polymerization of less than 200 to 4 polyethylene glycol, trimethylglycine, alkylamidopropyl betaine and generating heat when mixed with water. Cosmetics and hair dyes.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cosmetic which generates heat when it comes into contact with and mixes with moisture and has an effective warming effect on skin and hair.

[0002]

2. Description of the Related Art There are cosmetics which have a heating effect, promote blood circulation, activate skin and scalp, expand pores and remove dirt due to heat, but the heating temperature is high and the heating time is instantaneous. Therefore, high technology is also required. On the other hand, cosmetics utilizing the heat of hydration of activated zeolite are known. (JP-A-4-89424)

[0003]

SUMMARY OF THE INVENTION An activated zeolite is
Known cosmetics, which are dispersed in polyols or polyethylene glycol, stop generating heat as soon as they are mixed with water, so a technique for dispersing them at a high concentration is also required, and in terms of safety, such as causing burns. There was a problem. Therefore, there has been a demand for a cosmetic that can be processed easily and has an excellent effect of warming the skin and hair.

[0004]

Under such circumstances, the present inventors have conducted intensive studies, and as a result,

[0005] It has been found that when activated zeolite is dispersed in polyether-modified silicone oil, a mild heat is generated when water is mixed, and a cosmetic is obtained in which the heat is generated for 2 to 5 minutes.

[0006] If activated zeolite is mixed with polyethylene glycol having an average degree of polymerization of less than 200 to 4 or contains trimethylglycine and alkylamidopropylbetaine, a gentle heat is generated from the mixing of water,
In addition, the present inventors have found that a cosmetic that generates heat for 2 to 5 minutes can be obtained, and completed the present invention.

The activated zeolite of the component (A) used in the present invention is not particularly limited, but from the viewpoint of easy availability and economy, the following formula: Na ₂ O.Al ₂ O ₃ .SiO ₂ .zH ₂ O
(Z represents an arbitrary number.) Commercially available products such as zeolite A-3, zeolite A-4, and zeolite A-5 (all manufactured by Tosoh Corporation) can be used. Further, zeolite which has been subjected to a special treatment such as an ion exchange treatment and a neutralization treatment can be used.

The particle size of these activated zeolites is preferably from 0.1 to 200 μm from the viewpoint of the hydration speed and the like. These zeolites contain 10-7 in the total composition
5% by weight (hereinafter simply referred to as%), particularly preferably 25 to 60%.

The polyether-modified silicone oil (B) used in the present invention is a polyoxyethylene / methylpolysiloxane copolymer, a polyoxypropylene / methylpolysiloxane copolymer, or a poly (oxyethylene / oxypropylene) methyl HL of polysiloxane copolymer
B is less than 7. The reason that by combining these silicone oils, a sustained mild heat generation is realized,
Although it is not always clear, it is considered that the zeolite is covered with the silicone oil during the mixing of water, and that the hydration rate of the activated zeolite is suppressed as a result of competition between hydration of the polyether and hydration of the zeolite. In addition, the silicone oil does not feel rough when the cosmetic is applied to the skin or the hair, and after application, the silicone oil reduces the surface friction coefficient to give a smooth feeling.

It is preferable that these polyether-modified silicone oils be blended in an amount of from 20 to 80%, especially from 25 to 50% in the total composition.

It is necessary that the average degree of polymerization of the polyethylene glycol (C) used in the present invention is less than 200 to 4. Within this range, the amount of heat of hydration generated per unit weight is small, and the high calorific value of zeolite can be suppressed. It is preferable that these polyethylene glycols are blended in an amount of 1.0 to 70%, particularly 2.0 to 50% in the whole composition.

The alkylamidopropyl betaine used in the present invention is in the form of a powder containing no water, and itself exhibits a slightly endothermic property when hydrated, and suppresses hydration of zeolite and heat generation due to hydration. It is thought to work.
Alkyl amide propyl betaine powder (manufactured by Goldschmidt) is preferably blended in an amount of 10 to 50% in the entire composition.

The trimethylglycine used in the present invention is in the form of a powder containing no water, and does not itself generate or absorb heat of hydration. It is considered that the competition between hydration of glycine and hydration of zeolite suppresses the rate of hydration of activated zeolite. Trimethylglycine (manufactured by Asahi Kasei Kogyo) is preferably blended in an amount of 10 to 50% in the entire composition.

The form of the cosmetic of the present invention is not particularly limited, and it can be formulated into a lotion, cream, gel, paste, or powder.

The cosmetic of the present invention can be produced by mixing the above components by a conventional method, and is substantially non-aqueous. In use, the maximum thermal effect can be easily exhibited in a short period of time when mixed quickly with almost the same amount of water. In order to maintain mild heat generation for a long time, moisture may be gradually supplied by, for example, spontaneously absorbing moisture in the air, moisture on the skin surface, and water vapor emitted. These are different in composition from the present invention, and are disclosed in JP-A-6-100411 and JP-A-8-5.
Although it is publicly known in US Pat. No. 9455, the following can be considered as a usage example that further utilizes the features of the present invention.

[0016]

According to the invention, a hair treatment agent can be prepared by adding components so that the melting point of oil containing wax is from 40 ° C. to 60 ° C.

As the wax, carnauba wax,
Plant waxes such as candelilla wax, jojoba wax, rice wax, ceresin, paraffin wax,
There are mineral waxes such as ozokerite and microcrystalline wax, and animal waxes such as ibota wax and whale wax.

As the oil, oils and fats such as olive oil, jojoba oil and squalane which are usually used for hair conditioning agents, and ester oils such as isopropyl myristate can be used. Apply the treating agent to the towel-dried hair after shampooing, dissolve the oil containing wax due to the heat generated by hydration with the moisture remaining in the hair, and its persistence. It facilitates coating and improves hair conditioning properties such as smoothness and combability with a small amount of oil.

In the above, the heat-generating cosmetic prepared so as to be in the form of a powder is mixed with an ordinary massage cream or
By adding the necessary amount of use to one two-pack type hair dye and immediately applying it to the skin and hair, it can be used as a warming massage cream and the hair dyeing effect can be enhanced by the heat effect. The moisturizing effect by the action of alkylamidopropylbetaine and trimethylglycine also makes the feel after use excellent.

Further, the cosmetic of the present invention is excellent in heat generation and persistence, and therefore, is excellent in activation of skin by promoting blood circulation, expansion of pores, and removal of stains on epidermis by heat. Next, the present invention will be further described with reference to examples.
The present invention is not limited to these examples.

[0021]

Example 1 The components shown in Table 1 were mixed to produce a warming pack. In the experiment, using a 50 ml glass beaker, 20 g of the prototype was taken, the temperature at which 20 g of water was added and mixed was measured, and the difference from the temperature before the addition and mixing was expressed as a rise temperature. The time when water was added at room temperature and mixed several times quickly was regarded as immediately after mixing, and the following 30, 60, 90, 120, and 3
The result of measuring the liquid temperature after 00 seconds is shown. Also described is the ease of mixing. During this experiment, when each prototype was actually applied to the back of the hand, those with a temperature rise of 10 ° C. or more were able to sufficiently feel warmth. As a guide. Hereinafter, the same applies to Examples 2 and 3.

[0022]

[Table 1]

Both polyether-modified silicon and trimethylglycine show moderate exothermicity within the scope of the product of the present invention. However, the temperature of the zeolite of Comparative Example 1 alone is too high, and there is a possibility of burns, which is dangerous.

[0024]

Embodiment 2

[Table 2]

Although the calorific value of the product 4 of the present invention was almost the same as that of the comparative product 3, particles of the comparative product 3 remained because the melting point of ceresin was 62 ° C. and that of squalane and ceresin. This is probably because the 1: 1 mixture has a melting point of 48 ° C. Although the ratio of zeolite to polyether-modified silicone is the same as 25:50 in inventive product 5 and comparative product 2, the calorific value of comparative product 2 is small because the HLB of the polyether-modified silicone is low. Probably because it was 13.

[Embodiment 3]

[Table 3]

It can be seen from the products 6, 7, and 8 of the present invention that it is better to mix lauroylamidopropyl betaine and trimethylglycine respectively than the single products. Further, as can be seen from Comparative Product 4, it was found that the calorific value was reduced when the content of polyethylene glycol exceeded 75%.

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Claims (3)

[Claims] 1. A substantially non-aqueous cosmetic containing activated zeolite (A) and polyether-modified silicone oil (B) and generating heat when mixed with water. 2. The polyether-modified silicone oil (B) is a polyoxyethylene / methylpolysiloxane copolymer, a polyoxypropylene / methylpolysiloxane copolymer, or a poly (oxyethylene / oxypropylene) methylpolysiloxane copolymer. The cosmetic according to claim 1, wherein the combined HLB is less than 7. 3. An activated zeolite having an average degree of polymerization of 200
A substantially non-aqueous cosmetic containing less than 4 polyethylene glycol (C) and alkylamidopropylbetaine or trimethylglycine, and generating heat when mixed with water.