CN1187033C - Foundation - Google Patents

Abstract

The invention relates to a foundation having a spectral depression in a wavelength range of from 500 to 620 nm in its spectral reflection spectrum. This foundation provides a made-up skin which is free of dullness and is natural and healthy.

Description

Foundation cream

The present invention relates to a kind of foundation cream (foundation), its spectral reflection characteristic is similar to healthy exposed skin, and this foundation cream can dress up as skin glossy, natural healthy color skin.

Foundation cream has following effect: it can make skin color become the color that is sick for, and it can make skin become glossy, the tightness and the transparency are arranged, and it can cover defective such as the fault and the freckle of skin, and it also can protect skin with anti-drying and ultraviolet radiation.In recent years, the skin that more and more biases toward oneself of people dressed up as glossy, natural healthy color skin.So, require quite strong for the relevant foundation cream that can dress up skin like this.

People mostly know, healthy, exposed skin produces spectrum for the spectrographic reflectance spectrum of 500～620nm to be suppressed, and when exposed skin became dulller or pitch-darker, then this spectrum for 500～620nm suppressed to become more shallow (referring to Fig. 1).

For common foundation cream, this spectrum for 500～620nm suppresses shallow especially.If with the skin that they are used to expose, will make exposed skin itself suppress to become more shallow for the spectrum of 500～620nm, like this, exposed skin is become be similar to lacklustre skin, therefore be difficult to make skin produce the healthy chromatic effect of nature.

Therefore, an object of the present invention is to propose a kind of foundation cream, it can dress up as skin glossy, natural healthy color skin.

In these cases, the inventor has carried out extensive studies, found that a kind of foundation cream, and it can produce spectrum and suppress for the spectrographic reflectance spectrum in 500～620nm scope, this foundation cream can dress up as skin glossy, natural healthy color skin, so cause of the present invention finishing.

Therefore, one aspect of the present invention is to propose a kind of foundation cream, and it produces the spectrum inhibition for the spectrographic reflectance spectrum of 500～620nm wave-length coverage.

Another aspect of the present invention, a kind of method for preparing foundation cream is also proposed, this foundation cream produces the spectrum inhibition for the spectrographic reflectance spectrum of 500～620nm wave-length coverage, this method comprises: add (A) a kind of yellow colorants and (B) a kind of red stain, they are to the wavelength at the flex point place when occurring uprushing in the reflectance mobility scale in the spectrographic reflectance spectrum, to each other at a distance of 60nm at least.

The sketch map of Fig. 1 shows that exposed skin is to spectrographic reflectance spectrum;

The schematic view illustrating of Fig. 2 definite area (S ₅₀₀) a kind of method (a);

The schematic view illustrating of Fig. 3 definite area (S ₅₀₀) another kind of method (b);

The sketch map of Fig. 4 has shown among the embodiment 1 that the Red No.22 that uses and Yellow No.401 are to spectrographic reflectance spectrum;

The foundation cream of the present invention that the sketch map of Fig. 5 has been described to prepare by embodiment 1 is to spectrographic reflectance spectrum; With

The sketch map of Fig. 6 shown among the embodiment 1 preparation, the foundation cream of product is to spectrographic reflectance spectrum in contrast.

Foundation cream of the present invention produces the spectrum inhibition for the reflectance spectrum of the spectrum of 500～620nm wave-length coverage. Reflectance spectrum for spectrum is to measure by the method for JIS Z 8722 (Methods of Measurement of Color of Reflecting of Transmitting Objects). Can be by method known in the present technique, utilize one of multiple spectrophotometer to measure. " spectrum inhibition " this term refers to inhibition to the spectral shape in 500～620nm wave-length coverage at this paper, for example, and because spectrum suppresses to make reflectivity be lower than the reflectivity (R of certain line spectrum_std(λ)), this line spectrum extends through the reflectivity at 500nm place and the reflectivity at 620nm place.

Foundation cream of the present invention has a kind of look directly perceived (visual color), and according to Munsell colour system, preferably its tone is that 5R～10YR, vividness are 5～8 and saturation degree is 2.5～5.2; Preferably its tone is that 2.0YR～8.0YR, vividness are 5.2～7.6 and saturation degree is 2.7～4.7.

By the way, these tones, vividness and the saturation degree that reaches conforms to JIS Z 8721 of the present invention (Specification of Colors According to their Three Attributes).

Further, if with the reflectivity of spectrophotometric determination foundation cream of the present invention for the spectrum of 400～700nm wave-length coverage, then area (S₅₀₀) be selected from following area (a), (b) or (c):

(a) at straight line (R _Std(λ)) and reflective function (R _FdThe area of the part that forms between the curve (λ)), described straight line (R _Std(λ)) in wavelength X ₁(nm) and λ ₂Extend between the reflectance of (nm) locating, and described reflective function (R _FdSecond dervative (λ)) occurs minimum respectively in second scope of first scope of 450～550nm and 550～650nm, described first and second scopes are to tell from the wave-length coverage of 450～650nm;

(b) respectively by straight line (R _Std(λ)) and reflective function (R _FdThe maximum area of the area part of each self-forming of curve (λ)), described straight line (R _Std(λ)) at wavelength X-α (=λ ₁) and λ+α (=λ ₂) extend between the reflectance located, wherein said λ and α represent the wavelength (nm) of the expection in 450～650nm wave-length coverage and the wave-length coverage (nm) of expecting respectively; And

(c) at straight line (R _Std(λ)) and reflective function (R _FdThe area of the part that forms between the curve (λ)), described straight line (R _Std(λ)) at 500nm (λ ₁) and 620nm (λ ₂) extend between the reflectance located; And come definite by following formula (I):

${\mathrm{<figure-callout\; id="500"\; label="S"\; filenames="C9711353900201.png,C9711353900213.png"\; state="\{\{state\}\}">S</figure-callout>}}_{500}=\mathrm{\&Delta;\&lambda;x}\underset{\mathrm{\&lambda;}={\mathrm{\&lambda;}}_1}{\overset{{\mathrm{\&lambda;}}_2}{\mathrm{\&Sigma;}}}\{R_{\mathrm{std}}\left(\mathrm{\&lambda;}\right)-R_{\mathrm{fd}}\left(\mathrm{\&lambda;}\right)\}---\left(1\right)$

Δ λ wherein: measure the interval (nm) of the wavelength of reflectance,

This area preferably is 300 (%nm) at least, particularly preferably is 375 (%nm) at least." reflective function (R _Fd(λ)) " this term is meant reflectance at wavelength X nm place foundation cream at this paper.

Spectral reflectance function (the R that utilization records _Fd(λ)), can be by following method (a) and (b) and one of (c) determine area (S ₅₀₀):

(a) wave-length coverage of 450～650nm is divided into the scope (scope 1) of 450～550nm and the scope (scope 2) of 550～650nm, reflective function (R _FdWavelength when second dervative (λ)) minimum occurs in each scope is respectively with λ ₁(nm) and λ ₂(nm) expression.With the reflectance at these two wavelength places with straight line (R _Std(λ)) connect.The area of the part that forms between the curve of straight line and reflective function is decided to be area (S at this moment ₅₀₀).

That is to say, as shown in Figure 2, try to achieve reflective function (R _FdSecond dervative (λ)) (R " (λ)), determine the R " wavelength X when (λ) minimum occurring in scope 1 and the scope 2 then respectively ₁(nm) and λ ₂(nm), again with the reflectance at these two wavelength places with straight line (R _Std(λ)) connect.So can determine R _Std(λ) and R _FdThe area of the part (the hachure part among Fig. 2) that forms (λ).

If measured value disperses, then available for simplicity following method is tried to achieve R _FdSecond dervative R (λ) " (λ):

R′(λ)＝R(λ+5)-R(λ-5)

R″(λ)＝R′(λ+5)-R′(λ-5)

(b) in the wave-length coverage of 450～650nm, select the wavelength X (nm) of expection and the wave-length coverage α (nm) of expection earlier, again with wavelength X-α (=λ ₁) and λ+α (=λ ₂) each personal straight line (R of reflectance of locating _Std(λ)) connect, with each straight line and reflective function R _FdMaximum that is decided to be area (S in the area of the part that forms between the curve (λ) ₅₀₀).

Especially, as shown in Figure 3, in the wave-length coverage of 450～650nm, selected the wavelength X (nm) of expectation and the wave-length coverage α (nm) that expects (in Fig. 3, λ=550nm, α=50nm).With λ-α (=λ ₁) and λ+α (=λ ₂) (among Fig. 3, λ ₁=500nm, λ ₂=the reflectance 600nm) located is with straight line (R _Std(λ)) connect, then can determine R in range of wavelengths lambda ± α _Std(λ) and R _FdThe area of the part (the hachure part among Fig. 3) that forms (λ).For the combination of all possible λ and α, all determine this area, make the maximum in these areas then.

(c) with 500 (nm) (λ ₁) and 620nm (λ ₂) reflectance located is with straight line (R _Std(λ)) connect, then straight line and reflective function R _FdThe area of the part that forms between the curve (λ) is decided to be area (S ₅₀₀).

These wavelength of 500nm and 620nm are corresponding to absorbing wavelength scope oxygenate and reductive hemoglobin (500～620nm).

Area (the S of the part of pressing the method (a) and (b) or (c) stipulating ₅₀₀) can determine by following formula (1):

${\mathrm{<figure-callout\; id="500"\; label="S"\; filenames="C9711353900201.png,C9711353900213.png"\; state="\{\{state\}\}">S</figure-callout>}}_{500}=\mathrm{\&Delta;\&lambda;x}\underset{\mathrm{\&lambda;}={\mathrm{\&lambda;}}_1}{\overset{{\mathrm{\&lambda;}}_2}{\mathrm{\&Sigma;}}}\{R_{\mathrm{std}}\left(\mathrm{\&lambda;}\right)-R_{\mathrm{fd}}\left(\mathrm{\&lambda;}\right)\}---\left(1\right)$

Δ λ wherein: measure the interval (nm) of the wavelength of reflectance,

Carry one in passing, Δ λ is contained in the interval of used mensuration wavelength when measuring skin to spectrographic reflectance, that is to say that this just might often calculate S under the same conditions ₅₀₀And needn't consider the selection situation of discrete value.

In the spectrographic reflectance spectrum that records by the said determination method, at λ ₁～λ ₂Wave-length coverage in, straight line (R _Std(λ)) and the curve (R of reflectance _FdThe maximum of the difference spectrum (λ)) preferably is at least+7.5%, particularly preferably be at least+9.5%.

Further, wavelength X ₁(nm) reflectance of locating (c) and at 400～λ ₁(nm) poor (c-d) in the wave-length coverage between the minimum reflectance (d) preferably be at least+9.0%, and particularly preferably be 11% at least.λ ₁～λ ₂Wave-length coverage preferably be 70nm at least, particularly preferably be 100nm at least.

Foundation cream of the present invention can prepare like this: add (A) a kind of yellow colorants and (B) a kind of red stain, they to the wavelength at the flex point place when occurring uprushing in the reflectance mobility scale in the spectrographic reflectance spectrum to each other at a distance of 60nm at least.

At this moment, the wavelength of the flex point place correspondence when occurring uprushing in the reflectance mobility scale gets maximum or spectrographic second dervative is 0 o'clock pairing wavelength corresponding to spectrographic first derivative in this scope.Preferably determine the former wavelength based on the latter's wavelength.

In the present invention, preferably adopt yellow colorants (A) and red stain (B), they are 60nm apart corresponding to the wavelength at this flex point place to each other at least.If wavelength is apart less than 60nm, then the wave-length coverage for 500～620nm in the spectrographic reflectance spectrum of gained foundation cream is difficult to produce the spectrum inhibition.As coloring agent, preferably be used in combination with following (A) with (B): (A) a kind of flex point is at the coloring agent at 510 ± 25nm place, and the same flex point with (B) is at the coloring agent at 620 ± 25nm place.Coloring agent (A) and coloring agent (B) are classified by the wavelength (second dervative of this moment is 0) at this flex point place, and reason is that the characteristics of this definition mode are, with wavelength X ₁And λ ₂Connect well.Distinguish coloring agent (A) and coloring agent (B), also can be become wavelength when very big or minimum with the second dervative of its spectrographic reflective function without the wavelength at its flex point place.At this moment, can stipulate coloring agent (A) and (B) like this: S is measured in research earlier ₅₀₀Method (a) medium wavelength λ ₁And λ ₂Between relation, the scope when determining desirable maximum of second dervative and minimum respectively then.

Do not have other special restriction for coloring agent (A) with (B), adoptable example comprises: organic dyestuff (synthetic, natural), inorganic pigment (comprising pigment of sintering pigment, complex oxide pigment, assorted element doping or the like), dye composition pigment (dye-complexedpigments) and interference colours pearlescent pigment (interference pearl pigments).These coloring agent can microcapsule form use.

Specially suitable example comprises in the organic dyestuff: as belong to AluminumLake Yellow No.203, Yellow No.205, Yellow No.401 and the Green No.204 of coloring agent (A), and they all are synthetic dyestuffs; And Red No.202, the Aluminum Lake Red No.106, Red No.220, Red No.226, AluminumLake Red No.227 and the quinoline a word used for translation ketone pigment that belong to coloring agent (B), they all are synthetic dyestuff and natural pigment fuchsin.But available organic dyestuff is not limited to these, as long as the wavelength at its flex point place meets coloring agent (A) and aforementioned condition (B) respectively.In these organic dyestuff, those water-soluble dyes exist such as the chromatic problem of skin, so preferably with the dyestuff that reduces its water miscible form through handling, processing method for example is converted into the color lake, combines or microencapsulation with extender pigment when using this water-soluble dye.Further, as coloring agent (A) ` and (B), it is preferred being usually used in the cosmetic formulations those, and in these coloring agent especially being preferred to those of skin high safety.

The example of the inorganic pigment that is suitable for also comprises complex oxide pigment such as praseodymium yellow, vanadium zirconium Huang and titan yellow except such as manganese violet, every red and this compounds of cadmium yellow.But available example is not confined to these specially, as long as the wavelength at its flex point place meets coloring agent (A) and aforementioned condition (B) respectively.As coloring agent (A) and (B), it is preferred being usually used in the cosmetic formulations those, and in these coloring agent especially being preferred to those of skin high safety.

Widely iron oxide yellow of Shi Yonging and iron oxide red, itself also is not suitable for as coloring agent (A) and (B), because the wavelength at their flex point place is about 548nm and 588nm respectively.Therefore preferably it is handled the back reuse, processing method for example with it with other metal-oxide sintering, thereby with the wavelength control at its flex point place to suitable scope.

The example that is suitable for of dye composition pigment comprises: Yellow No.203, Yellow No.4, alkermes, Red No.201, Red No.227 or the like are combined with aluminium oxide as carrier and those associated methods of obtaining can be by disclosed method among for example Japanese Patent Application Publication (Kokai) No.HEI 3-153523 or Japanese Patent Application Publication (Kokai) the No.HEI 3-290312.

Further, also may reach the wavelength at the flex point place of 620 ± 25nm by following method, that is: the coloring agent that coloring agent that the wavelength ratio 645nm at its flex point place is longer and the wavelength ratio 595nm at flex point place are shorter mixes in certain proportion.But the wavelength at its flex point place is 660nm or longer coloring agent and inapplicable, almost can not control skin color because the saturation of gained mixed colorant is too low.

The coloring agent that blue pigment and the wavelength ratio 535nm of transformation place is longer mixes in certain proportion, and the wavelength that can realize the flex point place is 510 ± 25nm.Blended like this coloring agent is also inapplicable, almost can not control skin color because the saturation of gained mixed colorant is too low.

Can be to these coloring agent with it through the form after surface treatment such as waterproof or the anti-oil processing.

Size and the not special regulation of shape for these coloring agent.But, its granular size is 100 μ m or littler preferably, with 30 μ m or littler be preferred.

Further, the shape of spectrographic reflectance spectrum (position that peak and shoulder are divided), inhibition degree wherein or the like can be regulated like this, promptly by with two or more coloring agent (A) or (B) in conjunction with or add a spot of iron oxide yellow, iron oxide red etc. on demand, make its color characteristics of foundation cream of obtaining more similar to the color characteristics of the skin that exposes.

Except coloring agent (A) with (B), add titanium dioxide and in foundation cream of the present invention, the color of foundation cream can be transferred to desirable skin-color.

Ratio for each coloring agent among the present invention does not have special provision, suppresses as long as the gained foundation cream produces spectrum to spectrographic reflectance spectrum in the wave-length coverage of 500～620nm.But, preferably can make the ratio that adds coloring agent (A) is 0.1～40wt%, preferably 0.5～20wt%; The ratio of coloring agent (B) is 0.05～20wt%, preferably 0.2～10wt%; And the ratio of titanium dioxide (C) is 1～30wt%, preferably 2～18wt%.

Also preferably make these weight ratios meet following ratio:

(A)/(C)=0.01～20, preferably 0.04～10; And (B)/(C)=0.005～10, preferably 0.01～5.

Except above-mentioned concrete coloring agent is used as the main component, also can be added with other one or more components in the foundation cream of the present invention, these components are mixed in the general cosmetic formulations usually, and its addition is as the criterion not influence effect of the present invention.Other non-main component of this class for example has various oils, surfactant, water-soluble polymer, other powder, wetting agent, antiseptic, medicament, UV absorbent, inorganic or organic salt, chelating agen, pH regulator agent and water.

The example of the oil that is suitable for comprises that those are widely used for the oil in the cosmetic formulations, for example liquid paraffin, vaseline, paraffin, squalane, Cera Flava, Carnauba wax, olive oil, lanoline, higher alcohol, fatty acid, higher fatty acids, ester oil, seresin, microcrystalline wax, candelilla wax, diglyceride, triglyceride, silicone oil, the fluorine modified silicon oil, alkyl modified silicon oil, PFPE, perfluorodecalin, PFO, the oil that a kind of unsaturated fatty acid is high (jojoba oil), misery basic ten diester of nutmeg (octyldodecyl myristate) and neopentyl glycol dicaprylate.

The example of the surfactant that is suitable for comprises that those are widely used in the surfactant in the cosmetic formulations, for example nonionic surfactant such as polyoxyethylene alkyl ether, polyoxyethylene fatty acid ester, polyoxyethylene sorbitan fatty acid ester, fatty acid glyceride, polyglyceryl fatty acid ester, polyoxyethylene fatty acid glyceride, polyoxyethylene hydrogenated Oleum Ricini and Polyoxyethylene Sorbitol Fatty Acid Esters; With the fatty acid soaps is anionic surfactant such as the sodium stearate and the Palmic acid triethanolamine cetylate (palmitate triethanolamine palmitate) of representative; Cationic surface active agent; Amphoteric surfactant and based on the surfactant of polysiloxanes.

The example of the water-soluble polymer that is suitable for comprises: be widely used in those polymer in the cosmetic formulations, for example: carboxymethyl cellulose, methylcellulose, hydroxy methocel, polyvinyl alcohol, polyvinyl pyrrolidone, Tragacanth, carrageenin, locust bean gum, dextrin, dextrin fatty acid ester, CVP Carbopol ETD2050, xanthan gum, gelatin, sodium alginate and arabic gum.

The example of other powder that is suitable for comprises and is widely used in the cosmetic formulations those, be inorganic powder, as Talcum, Muscovitum, Kaolin, silk Muscovitum, white mica, synthetic mica, phlogopite, rubellan, biotite, lepidolite, Vermiculitum, magnesium carbonate, calcium carbonate, kieselguhr, magnesium silicate, calcium silicates, aluminium silicate, barium silicate, strontium silicate, metal tungstates, hydroxyapatite, hydrate of silicic acid, silicic acid anhydride, magnesium oxide, bentonite, zeolite, ceramics and aluminium hydroxide; Organic dust such as nylon powder, polyethylene powder, polymethyl-benzene and guanamines (polymethylbenzoguanamine) powder, polymethyl methacrylate powder, tetrafluoroethene powder, microcrystalline Cellulose, rice starch and lauroyl lysine; Surfactant metal salt in powder such as calcium stearate, zinc stearate, magnesium stearate, nutmeg acid magnesium, cetyl calcium phosphate and cetyl zinc phosphate sodium; Coloured inorganic powder is as fine granular titanium dioxide, zinc oxide, zirconium oxide, ferrum oxide (iron oxide red), iron titanate, hydrated ferric oxide., ocher, iron oxide black, white carbon black, manganese violet, cobalt violet, chromium oxide, chromic oxide gel, cobalt titanate, ultramarine and Prussian blue; The Muscovitum of Talcum, pearl essence and coloured titanium dioxide-coated of the bismuth oxychloride of the Muscovitum of pearlescent pigment such as titanium dioxide-coated, titanium dioxide-coated, bismuth oxychloride, titanium dioxide-coated; Metal dust such as aluminium powder, stainless steel powder and copper powder; And the powder of handling with polysiloxanes or fluorine compounds.

The example of the wetting agent that is suitable for comprises and is usually used in the cosmetic formulations those, for example sorbitol, xylitol, glycerol, maltose alcohol, propylene glycol, 1,3 butylene glycol, 1,4-butanediol, pyrrolidone sodium carboxylate, lactic acid, sodium lactate and Polyethylene Glycol.The example of the antiseptic that is suitable for comprises and is usually used in the cosmetic formulations those, for example p-hydroxybenzoic acid Arrcostab, sodium benzoate and potassium sorbate.The example of the medicament that is suitable for comprises and is usually used in the cosmetic formulations those, for example vitamin, crude drug, antibiotic medicine and antibacterial.The example of the UV absorbent that is suitable for comprises and is widely used in the cosmetic formulations those, for example based on the UV absorbent of para-amino benzoic acid, based on the UV absorbent of anthranil, based on salicylic UV absorbent, based on the UV absorbent of cinnamic acid with based on the UV absorbent of benzophenone.

Inorganic salt or organic salt for example are the salt of following acid: mineral acid example hydrochloric acid, sulphuric acid and nitric acid, hydroxy carboxylic acid is citric acid, tartaric acid, lactic acid and malic acid for example; Carboxylic acid is formic acid, acetic acid and sorbic acid for example; And aromatic carboxylic acids such as salicylic acid and benzoic alkali metal, alkaline-earth metal or aluminum salt.

The instantiation of inorganic salt or organic salt comprises: potassium sulfate, sodium sulfate, magnesium sulfate, aluminum sulfate, potassium nitrate, Chile saltpeter, magnesium nitrate, aluminum nitrate, lime nitrate, potassium chloride, magnesium chloride, sodium chloride, calcium chloride, aluminum chloride, potassium carbonate, sodium carbonate, aluminium carbonate, potassium acetate, sodium acetate, calcium acetate, magnesium acetate, sodium formate, potassium formate, magnesium formate, sodium citrate, sodium tartrate, potassium sorbate, sodium sorbate, sodium salicylate, Potassium Benzoate and sodium benzoate.In these salt, particularly preferred have: potassium sulfate, magnesium sulfate, potassium chloride, magnesium chloride, aluminum chloride, sodium citrate, sodium tartrate, potassium sorbate, sodium salicylate and sodium benzoate.

These inorganic or organic salts can be respectively be added in the foundation cream with the form of its salt, also can be when the preparation foundation cream bronsted lowry acids and bases bronsted lowry of these salt correspondences be added pro rata by generating the desired stoichiometry of salt.

The water that can add further, required ratio.

Known method prepares foundation cream of the present invention in the available present technique, it can be mixed with the water slurry type foundation cream, be divided into two-layer foundation cream, face powder, compacting face powder, powdery foundation cream, oil base foundation cream, creamy foundation cream, liquid foundation cream, shelter (concealer), oil base pomade or the like.Further, also it can be mixed with cosmetic formulations such as kermes, eye shadow and the color make-up powder that dozen powder is used.

Foundation cream of the present invention has gloss, skin can be dressed up as the healthy color skin of nature.

To set forth the present invention in further detail by the following example below, but should notice that the present invention is not limited to these embodiment.

Embodiment 1 (solid-state foundation cream)

The solid-state foundation cream of forming shown in the table 1 is to prepare with known method in the present technique.

Table 1

Composition (wt.%)	Goods of the present invention	The contrast goods
			Silicone oil (" Silicone KF-96A ", trade name; 10cst; Shin-Etsu Chemical Co., the product of Ltd.)	10.0	10.0
Zinc stearate	3.0	3.0
			Silk Muscovitum	28.0	25.0
Talcum	20.0	20.0
			Nylon powder	23.5	23.5
Titanium dioxide	14.0	14.0
			Red No.202 *1[coloring agent (B)]	0.25	-
Yellow No.401 *2[coloring agent (A)]	0.9	-
			Iron oxide red	-	0.8
Iron oxide yellow	-	2.9
			Iron oxide black	0.25	0.2
Antiseptic	0.1	0.1

^*The wavelength at 1 flex point place: 623nm

^*The wavelength at 2 flex point places: 520nm

Be used for the Red No.202 of goods of the present invention and Yellow No.401 as shown in Figure 4 to spectrographic reflectance spectrum.Further, the foundation cream that makes thus to spectrographic reflectance spectrum respectively shown in Fig. 5 (goods of the present invention) and Fig. 6 (contrast goods).

As can be seen from Figure 5, foundation cream of the present invention produces the spectrum inhibition for the spectrographic reflectance spectrum of 500～620nm wave-length coverage.Press Munsell colour system, its color directly perceived is 6.3YR 6.9/4.6.In addition, measured area (S in the spectrographic reflectance spectrum according to method (a) ₅₀₀).The result learns, area (S ₅₀₀) be 752.5 (%nm); At straight line (R _Std(λ)) and reflective function (R _FdThe maximum of difference spectrum is 17.4% between the curve (λ)).

Otherwise as shown in Figure 6, the foundation cream of goods does not produce any spectrum inhibition for the wave-length coverage of 500～620hm in contrast.Press Munsell colour system, its color directly perceived is 6.1 Y 6.7/4.9; In this spectrographic reflectance spectrum, area (S ₅₀₀) be 35.0 (%nm), at straight line (R _Std(λ)) and reflective function (R _FdThe maximum of difference spectrum is 1.43% between the curve (λ)).

In addition, implemented evaluation for the sensory effects of goods of the present invention and contrast goods.

Specifically, respectively goods of the present invention and contrast goods are applied a left side and the right face of each women's model, estimate her face (being her face tone) then objectively.Appreciation condition is, is about in colour temperature under 6,100 ℃ the lighting environment, when the skin (color and perfect degree) of the left side and the right coating is assert when looking the same, is about implementation evaluation under 4,000 ℃ the lighting environment in colour temperature again.

Gained to coating Evaluation on effect result is: goods of the present invention " look well " her face, and the contrast goods make her face " colour of skin is ugly " and " looking matt ".

Further, under different lighting conditions, the left side of having measured exposed skin and coating and the right skin are to spectrographic reflectance, to determine the situation of change of measured value under different lighting conditions.Find to show roughly the same situation of change with the skin of goods coating of the present invention and exposed skin; And showing bigger variation really with the skin of contrast goods coating, more jaundice promptly becomes.

Affirm that from aforementioned goods of the present invention can reproduce the feature of glossy, healthy baring skin.Therefore, can find out that goods of the present invention are better than common foundation cream.

Embodiment 2

The solid-state foundation cream that has prepared following composition with known method in the present technique.

Batching	wt％
		Silicone oil (trade name " Silicone KF-96A "; 10cSt; Shin-Etsu Chemical Co., the product of Ltd.)	7.0
Zinc stearate	1.0
		Muscovitum	10.0
Silk Muscovitum	13.7
		Talcum	20.0
Nylon powder	11.0
		Titanium dioxide	10.0
Alkermes/aluminium oxide composite pigment *3 [coloring agent (B)]	8.0
		Yellow No.4/ aluminium oxide composite pigment *4 [coloring agent (A)]	19.0
Iron oxide black	0.2
		Antiseptic	0.1

^*The wavelength at 3 flex point places: 630nm

^*The wavelength at 4 flex point places: 519nm

The foundation cream of finding so preparation is the spectrographic reflectance spectrum generation spectrum inhibition of 500～620nm for wave-length coverage.Find to press Munsell colour system, its color directly perceived is 5.5YR 7.0/4.5; In this spectrographic reflectance spectrum, record area (S ₅₀₀) be 690 (%nm), at straight line (R _Std(λ)) and reflective function (R _FdThe maximum of difference spectrum is 16.5% between the curve (λ)).

Embodiment 3

The solid-state foundation cream that has prepared following composition with known method in the present technique.

Batching	wt％
		Silicone oil (trade name " Silicone KF-96A "; 10cSt; Shin-Etsu Chemical Co., the product of Ltd.)	10.0
Zinc stearate	1.0
		Muscovitum	10.6
Silk Muscovitum	21.0
		Talcum	22.0
Nylon powder	26.5
		Titanium dioxide	6.0
Iron oxide red/manganese violet mixture *5 [coloring agent (B)]	0.7
		Al Lake Yellow No.203 *6 [coloring agent (A)]	2.0
Iron oxide black	0.1
		Antiseptic	0.1

^*5 iron oxide reds/manganese violet=3/7, the wavelength at flex point place: 627nm

^*The wavelength at 6 flex point places: 513nm

The foundation cream of finding so preparation is the spectrographic reflectance spectrum generation spectrum inhibition of 500～620nm for wave-length coverage.Find to press Munsell colour system, its color directly perceived is 6.2 YR 6.6/4.3; In this spectrographic reflectance spectrum, record area (S ₅₀₀) be 510 (%nm), at straight line (R _Std(λ)) and reflective function (R _FdThe maximum of difference spectrum is 12% between the curve (λ)).

Embodiment 4

The emulsion-type foundation cream that has prepared following composition with known method in the present technique.

Batching	wt％
		The water that purifies	42.0
Glycerol	7.0
		Dimethyl siloxane-methyl (polyoxyethylene) silicone copolymers (trade name " SH3772C ", Dow Corning Toray Silicone Co., the product of Ltd.)	3.0
Polymethyl siloxane (trade name " Silicone KF-97A ", 10cSt, Shin-Etsu Chemical Co., the product of Ltd.)	7.0
		Poly-hexahydrotoluene (trade name " SH244 ", Dow Corning Toray Silicone Co., the product of Ltd.)	15.0
Squalane	4.0
		Octyl methoxycinnamate	2.0
Nylon powder	4.4
		Titanium dioxide	7.0
Alkermes/aluminium oxide composite pigment *7 [coloring agent (B)]	6.0
		Yellow No.205 *8[coloring agent (A)]	0.4
Iron oxide black	0.1
		Meticulous titanium dioxide granule	2.0
Antiseptic	0.1

^*The wavelength at 7 flex point places: 630nm

^*The wavelength at 8 flex point places: 521nm

The foundation cream of finding so preparation is the spectrographic reflectance spectrum generation spectrum inhibition of 500～620nm for wave-length coverage.Find to press Munsell colour system, its color directly perceived is 5.8 YR 6.5/4.5; In this spectrographic reflectance spectrum, record area (S ₅₀₀) be 670 (%nm), at straight line (R _Std(λ)) and reflective function (R _FdThe maximum of difference spectrum is 15.2% between the curve (λ)).

Embodiment 5

The oil base foundation cream that has prepared following composition with known method in the present technique.

Batching	wt％
		Silicone oil (trade name " Silicone KF-96A "; 10cSt; Shin-Etsu Chemical Co., the product of Ltd.)	15.0
Liquid paraffin	32.0
		Candelilla wax	3.0
Silk Muscovitum	32.6
		Titanium dioxide	16.0
Red No.202 *9[coloring agent (B)]	0.25
		Yellow No.205 *10[coloring agent (A)]	0.8
Iron oxide black	0.25
		Antiseptic	0.1

^*The wavelength at 9 flex point places: 623nm

^*The wavelength at 10 flex point places: 521nm

The foundation cream of finding so preparation is the spectrographic reflectance spectrum generation spectrum inhibition of 500～620nm for wave-length coverage.Find to press Munsell colour system, its color directly perceived is 4YR 6.2/4.5; In this spectrographic reflectance spectrum, record area (S ₅₀₀) be 635 (%nm), at straight line (R _Std(λ)) and reflective function (R _FdThe maximum of difference spectrum is 15.6% between the curve (λ)).

The foundation cream that makes among the embodiment 2～5 all is rich in gloss, and skin can be dressed up as the healthy color skin of nature.

Claims (8)

1. foundation cream, it is the spectrographic reflectance spectrum generation spectrum inhibition of 500～620nm for wave-length coverage, it comprises: (A) yellow colorants of 0.1～40wt%, (B) red stain of 0.05～20wt% and (C) titanium dioxide of 1～30wt%, described yellow colorants (A), described red stain (B) and titanium dioxide (C) are controlled in following weight ratio: (A)/(C)=0.01～20 and (B)/(C)=0.005～10, described coloring agent to the wavelength at the flex point place when occurring uprushing in the reflectance mobility scale in the spectrographic reflectance spectrum to each other at a distance of 60nm at least.

2. by the foundation cream of claim 1, wherein said foundation cream has a kind of color directly perceived, and according to Munsell colour system, its tone is that 5R～10YR, vividness are 5～8 and saturation is 2.5～5.2.

3. by claim 1 or 2 foundation cream, wherein when the described foundation cream of usefulness spectrophotometric determination during for the spectrographic reflectance of 400～700nm wave-length coverage, area (S ₅₀₀) be selected from following area (a) and (b) or (c):

(a) at straight line (R _Std(λ)) and reflective function (R _FdThe area of the part that forms between the curve (λ)), described straight line (R _Std(λ)) in wavelength X ₁(nm) and λ ₂Extend between the reflectance of (nm) locating, and described reflective function (R _FdSecond dervative (λ)) occurs minimum respectively in second scope of first scope of 450～550nm and 550～650nm, described first and second scopes are to tell from the wave-length coverage of 450～650nm;

(b) respectively by each straight line (R _Std(λ)) and reflective function (R _FdMaximum area in the area in the zone that curve (λ)) forms, described straight line (R _Std(λ)) at wavelength X-α (=λ ₁) and λ+α (=λ ₂) extend between the reflectance located, wherein said λ and α represent the wavelength (nm) of the expection in 450～650nm wave-length coverage and the wave-length coverage (nm) of expecting respectively; And

(c) at straight line (R _Std(λ)) and reflective function (R _FdThe area of the part that forms between the curve (λ)), described straight line (R _Std(λ)) at 500nm (λ ₁) and 620nm (λ ₂) extend between the reflectance located; And come definite by following formula (1):

$S_{500}=\mathrm{\&Delta;\&lambda;x}\underset{\mathrm{\&lambda;}={\mathrm{\&lambda;}}_i}{\overset{{\mathrm{\&lambda;}}_2}{\mathrm{\&Sigma;}}}\{R_{\mathrm{std}}\left(\mathrm{\&lambda;}\right)-R_{\mathrm{fd}}\left(\mathrm{\&lambda;}\right)\}---\left(1\right)$

Δ λ wherein: measure the interval (nm) of the wavelength of reflectance, this area is 300 (%nm) at least.

4. press the foundation cream of claim 3, wherein at λ ₁～λ ₂Wave-length coverage in, described straight line (R _Std(λ)) and the curve (R of described reflectance _FdThe maximum of the difference spectrum (λ)) is at least+7.5%.

5. press the foundation cream of claim 3 or 4, wherein wavelength X ₁(nm) reflectance of locating (c) and at 400～λ ₁(nm) poor (c-d) in the wave-length coverage between the minimum reflectance (d) be at least+9.0%.

6. by each foundation cream of claim 3～5, λ wherein ₁～λ ₂Described wave-length coverage be 70nm at least.

7. by each foundation cream of claim 1～6, wherein, described yellow colorants to spectrographic reflectance spectrum in, the wavelength at the flex point place when occurring uprushing in the reflectance mobility scale is positioned at the scope of 510 ± 25nm, described red stain to spectrographic reflectance spectrum in, the wavelength at the flex point place when occurring uprushing in the reflectance mobility scale is positioned at the scope of 620 ± 25nm.

8. method for preparing the foundation cream of claim 1, comprise: add (A) a kind of yellow colorants, (B) a kind of red stain, they to the wavelength at the flex point place when occurring uprushing in the reflectance mobility scale in the spectrographic reflectance spectrum to each other at a distance of 60nm and (C) titanium dioxide at least.

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