KR20180047453A - Skin whitening and sunscreen composition comprising nano materials and chinese medicine extract - Google Patents

Abstract

The present invention provides a skin whitening and sunscreen composition containing a nanomaterial and a Chinese herbal extract, wherein the nanomaterial comprises a nanocrystalline cellulose or nanocrystalline cellulose-fullerene particle mixture; and the Chinses herbal extract comprises pearl powder, a safflower extract, an acasia extract, an aloe extract, menthol and water. The content of the nanomaterial is 4-7 wt%, and the total content of the pearl powder, the safflower extract, the acasia extract, the aloe extract, and the menthol is 4-9 wt%.

Description

[0001] SKIN WHITENING AND SUNSCREEN COMPOSITION COMPRISING NANO MATERIALS AND CHINESE MEDICINE EXTRACT [0002]

The present invention relates to skin-care areas, more particularly to skin whitening and sunscreen compositions containing nanocrystalline cellulose (NCC) and herbal herb extracts.

Skin whitening and sunscreens are very popular for alleviating or eliminating facial problems. However, most skin whitening and sunscreen products contain heavy metal or fluorescent powder components. For example, most skin lightening and sunscreen component comprises a titanium dioxide (TiO _2). The Chinese patent of Publication No. CN102076317A discloses cosmetics containing titanium dioxide. Titanium dioxide has an excellent effect on skin whitening, sunscreen and UV protection, but titanium dioxide appears to be very white under the reflection of ultraviolet light (UV). Once the use of titanium dioxide is stopped, After washing and removing the whitening and sunscreen ingredients, they are restored to their original shape. In addition, when such skin whitening and sunscreen ingredients are used for a long time, some damage occurs to the skin. In addition, skin whitening and sunscreen products containing titanium dioxide make the skin particularly uncomfortable, which affects skin whitening and sunscreen effects. In other words, skin whitening and sunscreen ingredients are needed that can replace titanium dioxide and cause little or no damage to the skin.

Nanocrystalline cellulose is also a highly efficient antioxidant for combating human aging. These super-strong antioxidant compounds not only improve human health but also can be used in more anti-aging products.

It is an object of the present invention to provide a skin whitening and sunscreen composition that fully exploits the antioxidant function of nanocrystalline cellulose and the advantageous aspects of traditional oriental medicine that are naturally non-toxic and healthy.

According to one aspect of the present invention, there is provided a skin whitening and sunscreen composition comprising a nanomaterial and herbal extracts, wherein the nanomaterial comprises a nanocrystalline cellulose or nanocrystalline cellulose-fullerene particle mixture, The herbal herb extract comprises pearl powder, Carthamus tinctorious extract, locust extract, aloe extract, menthol and water, the content of nanomaterial is 4 to 7 wt%, and the content of pearl powder, safflower extract, The total content of aloe extract and menthol is 4 to 9 wt%.

The beneficial effect of the present invention is that on the one hand nanomaterials, such as nanocrystalline cellulose, are beneficial for preventing skin oxidation and on the other hand are beneficial for absorption by the skin due to the relatively small particle size of the nanomaterial It is.

In addition, using traditional oriental medicine for skin whitening and sunscreen, it contributes to the penetration into the deep skin layer by nutritional ingredients, and it is also effective for moisturizing, skin moistening, skin whitening and sunscreen, small spot removal, wrinkle resistance, inflammation, Substance removal, and acne removal. In addition, the herbal herb ingredient has a skin whitening effect and a sunscreen effect that make the skin appear more natural, and is beneficial to skin health after long-term use.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

According to one aspect of the present invention, there is provided a skin lightening and sunscreen composition comprising a nanomaterial and herbal extracts, wherein the nanomaterial comprises a nanocrystalline cellulose or nanocrystalline cellulose-fullerene particle mixture, The herb extract contains 4 to 7 wt% of a nano material, and the total content of the pearl powder, safflower extract, acacia extract, aloe extract, and menthol is 4 to 9 wt%.

Nanocrystalline cellulose (NCC) is also a highly efficient antioxidant that combats the aging of humans. These super-strong antioxidant compounds not only improve human health but also can be used in more anti-aging products. In addition, nanocrystalline cellulose has an excellent anti-UV effect and contributes to the elimination of ultraviolet damage in the skin after prolonged use.

The present invention can include nanocrystalline cellulose alone and NCC can also be blended with fullerene particles to form an NCC-fullerene particle mixture wherein the addition of fullerene promotes the effect of nanocrystalline cellulose better . Such a mixture may also be referred to as a " bucky ball ", which is regarded as a "nano vacuum cleaner" which can achieve the effect of improving skin and reducing skin damage by absorbing and neutralizing harmful free radicals .

The NCC-fullerene particle mixture can be formed by using various methods, and any technique already known in the present invention or developed in the future can be employed to form the mixture. The method of forming the mixture is not an item of discussion of the present invention and therefore is not further described.

According to embodiments of the present invention, the herbal herb extract comprises pearl powder, safflower extract, acacia extract and aloe extract, wherein the total content of this extract is 4 to 9 wt% of the total weight.

According to the first to ninth embodiments of the present invention, the content of the nanocrystalline cellulose-fullerene particle mixture is in the range of 1 wt% to 9 wt%, respectively, wherein the content of the nanocrystalline cellulose- Is gradually increased by 1 wt%. Furthermore, in the first to ninth embodiments, the total content of the pearlescent powder, safflower extract, acacia extract, aloe extract and menthol is 4 wt%, and the particle size of the nanocrystalline cellulose is selected from the range of 70 nm to 80 nm .

The nanocrystalline cellulose obtained by acid hydrolysis of vegetable fibers contained in cotton, hemp and wood pulp plates is a nanoparticle having a length of 150 to 300 nm, a diameter of 30 to 100 nm, and a degree of polymerization of 160 to 180, , It is a particle having a length of 200 nm and a diameter of 70 to 80 nm. This embodiment has relatively good effects on the one hand and cost control on the other hand.

Table 1 shows a table comparing the absorbances for light having different wavelengths in Embodiments 1 to 9. The absorbance of the solution is measured using ultraviolet and visible spectrophotometers (Model No. UV-2450). Absorbing cell specifications: quartz absorption cell (1 cm) polished on both sides; Environmental conditions: Temperature and wavelength range of 28 占 폚: 280 nm to 380 nm.

 wavelength 280 nm 300 nm 320 nm 340 nm 360 nm 380 nm Embodiment 1 1.37 1.20 1.12 1.40 1.28 1.29 Embodiment 2 1.95 1.86 1.59 1.99 1.82 1.62 Embodiment 3 2.07 2.05 2.25 2.22 2.13 2.02 Implementation Example 4 4.11 3.76 3.93 4.10 3.73 3.63 Embodiment 5 3.86 4.63 4.24 4.62 3.96 3.84 Embodiment 6 4.52 4.42 4.64 4.73 4.31 4.80 Implementation Example 7 4.81 4.46 4.82 4.58 4.03 4.21 Embodiment 8 4.19 4.46 4.16 4.67 3.85 4.19 Embodiment 9 3.35 3.46 3.22 3.85 3.24 3.39

It can be seen from Table 1 that in the case of Embodiment 1, that is, when the content of the mixture of nanocrystalline cellulose-fullerene particles is 1 wt%, the absorbance against light at a wavelength of 280 nm is 1.37 and the absorbance against light at a wavelength of 300 nm is 1.20 , The absorbance to light at a wavelength of 320 nm is 1.12, the absorbance to light at a wavelength of 340 nm is 1.40, the absorbance to light at a wavelength of 360 nm is 1.28 and the absorbance to light at a wavelength of 380 nm is 1.29 . All of these figures are relatively low.

In the case of Examples 2 and 3, there is a definite increase in absorbance, but the increase range is very small and therefore no significant absorption occurs.

In each of Examples 4 to 9, the absorbance is significantly increased, and most of the absorbency can reach 4 or more, which obviously contributes to the reduction of skin damage caused by ultraviolet light.

In addition, the absorbance in Embodiments 8 and 9, respectively, may also reach 4 or more, whereas the effects of Embodiments 8 and 9 do not exhibit significant improvement compared to Embodiments 4 to 7 and are even attenuated and, on the other hand, , Embodiments 8 and 9 are undesirable in terms of economic benefits due to the need to add large amounts of nanocrystalline cellulose.

Nanocrystalline cellulose having a particle size of 70-80 nm selected in the present invention can reach a better compromise between performance and cost, thereby making it easier to provide a product with superior performance to the user.

In the present invention, herbal herb extracts such as pearl powder, safflower extract, acacia extract, aloe extract, menthol and the like are described below.

Pearl powder, safflower extract, acacia extract and aloe extract naturally have a whitening effect. Since they are herbal herb extracts, they are harmless to the human body, have a natural whitening effect, and do not produce a fluorescence effect. Also, when used in combination with the nanocrystalline cellulose-fullerene particle mixture of the present invention, the herbal herb extract has a larger contact area with the skin, thereby promoting absorption of this nutrient by the skin.

Menthol has a peppermint aroma and has a cool and refreshing effect that is beneficial for the user to maintain a pleasant mind and improve the degree of comfort.

According to a preferred embodiment of the present invention, the weight ratio of pearl powder, safflower extract, acacia extract, aloe extract and menthol is 1-3: 2-5: 2-3: 3-5: 1-2.

In addition, in order to ensure that the composition prepared has a long working life, is stable, and has good tactile properties, the skin whitening and sunscreen compositions according to the preferred embodiment of the present invention further comprise the following components: glyceryl mono Stearate, petrolatum, propylene glycol, xanthan gum, aloe gel, glycerin, span, tween and methyl paraben, and the total content of these components is 4 wt% to 10 wt%.

Glyceryl monostearate is generally used as an emulsifier in foods and cosmetics; Vaseline contributes to the formation of a protective barrier to prevent moisture loss on the skin surface; Propylene glycol is generally used as a moisturizer in facial masks or wet paper napkins to prevent the formed compound from prematurely losing moisture and to prolong storage times; Improve the thickness of the xanthan black composition and improve the stability of the emulsification system; Aloe gel is mainly used in skin-care products of cosmetics having functions such as moisture retention, sunscreen, odor prevention, skin softening, inflammation reduction and itching relief, pain relief, acne and freckle prevention, Glycerin has the effect of keeping moisture and preventing the skin from drying out; The span is mainly used as a dispersing agent to promote dissolution of other components; The tween is added in a small amount or not added because it has a certain undesirable odor; Methylparaben has a relatively strong inhibitory effect on bacteria and is beneficial in ensuring that the composition of the present invention works for a long time and has stable quality.

In a preferred embodiment of the present invention, the weight ratio of glyceryl monostearate, vaseline, propylene glycol, xanthan gum, aloe gel, glycerin, span, tween and methyl paraben is as follows: glyceryl monostearate: 0-1.6 ; Vaseline: 4-6.5; Propylene: 0-2; Xanthan gum: 0-3.5; Aloe gel: 1.5-4.5; Glycerin: 1-2; Span: 2.5-5.5; Twin: 0-1; And methyl paraben: 1.5-3.

Manufacturing method

First, the following four groups of materials are produced:

Group A: glyceryl monostearate, petrolatum, span and twin;

Group B: propylene glycol, glycerin and nanocrystalline cellulose-fullerene particle mixture;

Group C: Pearl powder, safflower extract, acacia extract, aloe extract and menthol; And

Group D: water, xanthan gum, aloe gel and methyl paraben;

The material of group A is first heated to 50 DEG C and then placed in a high-speed homogenization mixer. Thereafter, the material of group B and the material of group C were gradually added to the material of group A at a stirring rate of 2,000 revolutions per minute (rpm), and the materials of groups A, B, and C were uniformly mixed, Was added and stirring was continued for 30 minutes at the same stirring rate. The entire material is removed from the mixer and placed in a 20 MPa high pressure homogenizer for treatment to obtain a composition of the present invention. Subsequently, the composition is sterilized at a constant temperature of 80 DEG C for 2 hours and cooled naturally to room temperature to obtain sunscreen cream.

It will be appreciated by those skilled in the art that the weight of each of the above components can be obtained based on the ratio and content of the present invention disclosed above in order to obtain the compositions disclosed by the present invention.

The composition of the present invention is capable of preventing ultraviolet ray irradiation in a UVA region of 320 to 380 nm and a UVB region of 280 to 320 nm and has a sun protection factor (SPF) value of more than 15 to protect the human skin . These sunscreen creams are safe, non-toxic to the body, have high sunscreen performance and are applicable to all kinds of people.

Claims (5)

A skin whitening and sunscreen composition containing nanomaterials and herbal medicine extracts,
Wherein the nanomaterial comprises a nanocrystalline cellulose or nanocrystalline cellulose-fullerene particle mixture;
Wherein the herbal herb extract comprises pearl powder, Carthamus tinctorious extract, locust extract, aloe extract, menthol and water,
Wherein the content of the nano material is 4 to 7 wt%
Wherein the total content of the pearl powder, safflower extract, acacia extract, aloe extract and menthol is 4 to 9 wt%. The skin whitening and sunscreen composition according to claim 1, wherein the weight ratio of the pearl powder, safflower extract, acacia extract, aloe extract, and menthol is 1-3: 2-5: 2-3: 3-5: . The skin lightening and sunscreen composition of claim 1, wherein the nanocrystalline cellulose has a particle size of 70 to 80 nm. The composition of claim 1, wherein the skin lightening and sunscreen composition further comprises the following components: glyceryl monostearate, petrolatum, propylene glycol, xanthan gum, allogel, glycerin, span, tween and methyl paraben, Wherein the total content of these components is from 4 wt% to 10 wt%. The skin whitening and sunscreen composition according to claim 4, wherein the weight ratio of glyceryl monostearate, vaseline, propylene glycol, xanthan gum, allogel, glycerin, span, tween and methyl paraben is as follows:
Glyceryl monostearate: 0-1.6;
Vaseline: 4-6.5;
Propylene glycol: 0-2;
Xanthan gum: 0-3.5;
Aloe gel: 1.5-4.5;
Glycerin: 1-2;
Span: 2.5-5.5;
Twin: 0-1; And
Methyl paraben: 1.5-3.