JP2002212034A - Hair cosmetic - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a hair tonic having safety and low irritation. SOLUTION: This hair tonic comprises >=45 wt.% of ethanol and plant extracts of linden and asparagus but not a surfactant, a hormone and an antiseptic.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a hair restoration containing a plant extract and having an effect of promoting hair growth.

[0002]

2. Description of the Related Art Conventionally, hair nourishes containing various active ingredients have been used, and as the active ingredients, vitamins, vasodilators, female hormones and the like have been incorporated.
However, few of them are effective in preventing and improving hair loss and the like, but exhibit satisfactory effects. In addition, when surfactants are used on the skin or scalp,
Primary irritation, continuous irritation and, in rare cases, allergic reactions may cause skin disorders. In recent years, the morbidity of allergic diseases has increased, and the barrier function of the skin has been reduced due to atopic dermatitis and skin dryness due to environmental changes. In some cases. Therefore, it has a hair growth effect,
It is desired to provide a safe and low-stimulation hair restoration.

[0003]

SUMMARY OF THE INVENTION An object of the present invention is to provide a hair restoration containing a plant extract which does not contain a surfactant which can be a stimulating component and which is excellent in safety.

[0004]

SUMMARY OF THE INVENTION The present invention relates to a hair restorer which contains at least 45% by weight of ethanol and bodily and asparagus plant extracts and is free of surfactants, hormones and preservatives.

[0005]

BEST MODE FOR CARRYING OUT THE INVENTION As the botanical extract of bodaiju and asparagus used in the present invention, commercially available ones commonly used in the field of cosmetics can be used.

[0006] Plants are treated with hot water, lower alcohols such as methanol and ethanol, propylene glycol, 1,3-
Examples include an extract extracted with a polyhydric alcohol such as butylene glycol, and an extract obtained by concentrating and drying the extract.

[0007] The amount of these plant extracts in hair nourishes is 0.005 to 10% by weight, more preferably 0.01 to 5% by weight, as a dry matter.

[0008] Ethanol is also commonly used in the field of cosmetics, and 75% ethanol and denatured alcohol prescribed by the government can be used. The hair restorer of the present invention contains 45% by weight or more of ethanol. Preferably, 4
8 to 90% by weight.

[0009] The hair restorer of the present invention comprises a nonionic surfactant,
It does not contain surfactants such as amphoteric surfactants, hormones such as ethinyl estradiol and 17β-estradiol, and preservatives such as methyl paraoxybenzoate and ethyl paraoxybenzoate.

[0010] In addition to the botanical extracts of bodaiju and asparagus, plant extracts and soybean extracts selected from assembly, carrot, capsicum, salmon, mustard, rice, peppermint, bodaiju and the like are further used as hair restorer. can do.

[0011] The plant extract is obtained by converting plants into hot water, methanol,
Extracts extracted with lower alcohols such as ethanol, polyhydric alcohols such as propylene glycol and 1,3-butylene glycol, and extracts obtained by concentrating and drying the same.

[0012] The amount of the plant extract in the hair growth agent is 0.005 to 10% by weight, more preferably 0.01 to 5% by weight as a dry matter.

[0013] In addition to the above-mentioned components, additional components used in ordinary hair cosmetics, such as vitamins such as vitamin E, anti-inflammatory agents such as pantothenic acid and glycyrrhizinate, and menthol are included in the hair restorer. A freshener, an antibacterial agent such as cetylpyridinium chloride, hexachlorophene, a humectant, an oil, a fragrance, a pigment, water, and a thickener can be appropriately compounded.

The hair restorer may be in the form of a liquid,
Used in forms such as tonics, lotions, and liquids.

[0015]

Examples Formulation Example 1 (Liquid) Ethanol 50.0 Cepharanthin 0.01 L-Menthol 0.1 Peppermint extract (dry weight) 0.1 Asparagus extract (dry weight) 0.1 Bodaiju extract (dry) Weight) 0.1 Purified water Residue (Unit weight%) The above components were mixed and stirred to produce a liquid.

[Hair-growing effect test] The hair-growing effect was tested by continuously using 20 subjects to apply the liquid of Formulation Example 1 to the scalp. The trial period was 4 weeks, during which time subjects applied the appropriate amount twice daily to the scalp. After that, the amount of hair loss after use, the amount of dandruff, the effect of itch on the scalp,
We asked panelists about the scalp irritation during continuous use in a questionnaire format, and judged the hair growth effect and safety. The results are shown in Table 1.

As is clear from Table 1, the amount of hair loss decreased or slightly decreased in 4 weeks of use compared to before use, accounting for about 35% of the total, indicating that the product of the present invention had a sufficient hair growth effect. Was done. Further, panelists who felt irritation to the scalp during continuous use were remarkably low, and it was confirmed that the product of the present invention was highly safe.

[0018]

[Table 1]

[0019]

EFFECT OF THE INVENTION According to the present invention, a hair restorer that is safe, has low irritation, and has an excellent hair-growth effect is provided.

Claims (1)

[Claims] 1. A hair restorer comprising at least 45% by weight of ethanol and botanical extracts of bodaige and asparagus and free of surfactants, hormones and preservatives.