JP2909919B2 - Lotion - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a lotion, and more particularly, to a uniform and transparent lotion that has good familiarity with the skin and has an excellent feeling in use.

[Conventional technology]

Lotion is usually used for the purpose of replenishing the stratum corneum of the washed skin with moisture and moisturizing components and adjusting the physiological action of the skin, and generally comprises an aqueous component as a main component. In addition, a fresh and refreshing feeling is demanded as the feeling of use.

[Problems to be solved by the invention]

However, since the lotion contains an aqueous component as a main component, when applied to the skin, it has a drawback that it is repelled by sebum and is poorly applied to the skin. This poor adaptation to the skin has caused insufficient penetration of the moisturizing component, which is the original purpose of the lotion, into the skin, and also had insufficient action to tighten the skin.

As means for improving the familiarity of the lotion to the skin, blending of polyhydric alcohol, sugar, water-soluble polymer and the like has been attempted. However, although these substances have an action of imparting a moist feeling, they are not water soluble and do not sufficiently improve skin familiarity with a lotion, and conversely leave a sticky feeling and a filmy feeling on the skin after use. Had the disadvantage that
Attempts have also been made to improve the familiarity of the lotion by adding a surfactant, but there is a drawback in that the skin after use is left slimy and sticky, and the foam easily forms during use and does not easily disappear. Was.

On the other hand, in order to improve the familiarity of the skin lotion, it is conceivable to add an oil agent to the skin lotion, but in this case, a surfactant must be used in combination, and the appearance becomes a two-layer type or an emulsion. Such cosmetics not only impair the refreshing sensation required of the lotion, but also have the above-mentioned drawbacks specific to surfactants.

Therefore, there has been a demand for a lotion that has good adaptability to the skin without using a surfactant, has a clear feeling of use, and has a uniform and transparent appearance.

[Means for solving the problem]

In view of such circumstances, the present inventor has extremely numerous components,
In particular, as a result of various investigations by blending the oil agent into the lotion, surprisingly, when a specific amount of glyceryl tricaprylate, glyceryl tricaprate or castor oil is blended with ethanol, skin familiarity, feeling of use and appearance should be satisfied. The present inventors have found that a lotion can be obtained, and have completed the present invention.

That is, the present invention is characterized by containing one or more oil agents selected from glyceryl tricaprylate, glyceryl tricaprate and castor oil in an amount of 0.00001 to 0.1% by weight and ethanol of 5.0 to 60.0% by weight. It provides a lotion.

In the present invention, one of oil agents selected from glyceryl tricaprylate, glyceryl tricaprate and castor oil is used.
Seeds or two or more kinds are used. The compounding amount of these oils is 0.00001 to 0.1% by weight (hereinafter, referred to as the total amount of the lotion).
Simply indicated by%). If it is less than 0.00001%, sufficient skin familiarity cannot be obtained, and if it exceeds 0.1%, the lotion becomes uneven, which is not preferable.

The blending amount of ethanol in the present invention is 5.0 to 60.0% of the total composition of the lotion. If it is less than 5.0%, uniformity of the lotion and sufficient skin familiarity cannot be obtained, and if it exceeds 60.0%, skin irritation occurs, which is not preferable.

The lotion of the present invention can be produced, for example, by dissolving the above oil agent in ethanol and mixing the obtained solution with another aqueous component.

Furthermore, in the lotion of the present invention, in addition to the essential components,
Other oils and polyhydric alcohols used in ordinary cosmetics,
Purified water, salts, pH adjusters, thickeners, dyes, preservatives, antioxidants, ultraviolet absorbers, fragrances, chelating agents, and the like can be added as long as the effects of the present invention are not impaired.

〔Example〕

Next, the present invention will be described in more detail with reference to examples.
They do not limit the invention in any way.

Examples 1 to 3 and Comparative Examples 1 to 6 Treatment lotions Treatment lotions having the compositions shown in Table 1 were prepared and evaluated during use and after use after use according to the following criteria. The results are shown in Table 2. However, the compounding amount in the table indicates% by weight.

<Production method> A. Dissolve (1) to (5) and (7) in (6).

B. Dissolve (8)-(12) in (13).

C. Add B to A and mix.

<Usability Evaluation Criteria> For each treatment lotion, a use test was conducted by a panel of 10 persons, and the results were evaluated on the following three levels for each evaluation item shown in Table 2.

Good ------Neither can be said----Poor <Appearance evaluation criteria> Each treatment lotion is visually observed with a specialized panel, and the results are evaluated in the following two stages did.

○ −−−− Good × −−−− Not uniformly transparent As is clear from the results in Table 2, Examples 1 to 3 of the present invention were used.
Sample No. 3 was more satisfactory in both of usability and appearance than Comparative Examples 1 to 6. Further, in Comparative Example 1, foam was formed, and it was difficult for foam to disappear even when applied to the skin, resulting in poor usability.

Example 4 After Shave Lotion (%) (1) Citric acid 0.03 (2) Sodium citrate 0.12 (3) Fragrance 0.005 (4) Ethanol 50.0 (5) Castor oil 0.05 (6) Isotridecyl myristate 0.0001 (7) Ethanol 5.0 ( 8) Remaining purified water <Production method> A. Mix and dissolve (1), (2) and (8).

B. Mix and dissolve (3) and (4).

C. Mix and dissolve (5) to (7).

After mixing DA, B and C, the mixture was filtered to obtain an aftershave lotion.

Example 5 Body lotion (%) (1) Castor oil 0.015 (2) dl-α-tocopherol acetate 0.01 (3) Ethanol 40.0 (4) Perfume 0.005 (5) Dipropylene glycol 0.001 (6) Remaining purified water <Production method A. Mix and dissolve (1) to (4).

B. Mix and dissolve (5) and (6).

After mixing CA and B, the mixture was filtered to obtain a body lotion.

In each of Examples 4 and 5, the adaptation to the skin, the usability, and the appearance were all satisfactory.

〔The invention's effect〕

ADVANTAGE OF THE INVENTION According to this invention, the familiarity with skin is good, it has a clear feeling of use, and it can provide the skin lotion which is uniform and transparent and has a good appearance.

Claims (1)

(57) [Claims] 1. An oil agent selected from glyceryl tricaprylate, glyceryl tricaprate and castor oil in an amount of 0.00001 to 0.1% by weight and ethanol in an amount of 5.0 to 6%.
A uniform and transparent lotion characterized by containing 0.0% by weight.