CN113995686A - Oral care composition with whitening function - Google Patents

Oral care composition with whitening function Download PDF

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CN113995686A
CN113995686A CN202111566865.0A CN202111566865A CN113995686A CN 113995686 A CN113995686 A CN 113995686A CN 202111566865 A CN202111566865 A CN 202111566865A CN 113995686 A CN113995686 A CN 113995686A
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oral care
care composition
agent
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CN113995686B (en
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万青
罗家辉
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Beijing Lirentang Pharmaceutical Technology Development Co ltd
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/19Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A61K8/25Silicon; Compounds thereof
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/19Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/19Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A61K8/22Peroxides; Oxygen; Ozone
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/19Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A61K8/23Sulfur; Selenium; Tellurium; Compounds thereof
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61QSPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q11/00Preparations for care of the teeth, of the oral cavity or of dentures; Dentifrices, e.g. toothpastes; Mouth rinses
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/20Chemical, physico-chemical or functional or structural properties of the composition as a whole
    • A61K2800/28Rubbing or scrubbing compositions; Peeling or abrasive compositions; Containing exfoliants
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/40Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/41Particular ingredients further characterized by their size
    • A61K2800/412Microsized, i.e. having sizes between 0.1 and 100 microns

Abstract

The invention provides an oral care composition with a whitening function, which is prepared from the following raw materials in parts by weight: 10-36 parts of a composite friction agent, 0.1-5 parts of a bleaching agent and 1-10 parts of a covering agent; other oral care composition bases in parts; other oral care composition bases include: 10-25 parts of deionized water, 15-25 parts of a humectant, 1-5 parts of a tackifier, 1-3 parts of a surfactant, 0.1-0.5 part of a flavoring agent, 0.1-0.3 part of a sweetening agent, 0.3-0.5 part of a buffering agent and 0.1-0.3 part of a preservative. Compared with the traditional oral care products on the market, the whitening effect of the oral care product is greatly improved.

Description

Oral care composition with whitening function
Technical Field
The invention relates to an oral care composition, in particular to an oral care composition with a whitening function.
Background
The basic principle of tooth whitening lies in rubbing, bleaching and masking. It is common practice to add abrasives, bleaching agents and masking agents to oral care products to achieve a whitening effect. The abrasive can remove tartar with light degree of fit with the tooth surface, the bleaching agent can chemically decompose part of dirt, and the covering agent is a material with high whiteness directly attached to the tooth surface. The combined action of the rubbing agent, the bleaching agent and the covering agent achieves the aim of whitening teeth.
Although the addition of an abrasive and a masking agent to a toothpaste can achieve the purpose of whitening teeth, different abrasive components and masking agents can still have a great influence on the whitening effect. We have found that the crystal forms of the abrasive components of currently available toothpaste are all single-structure crystal forms, and for example, a toothpaste composite abrasive is proposed in the published chinese patent CN112691057A, which comprises two abrasive components, calcium hydrogen phosphate and silica, but wherein the crystal structures of calcium hydrogen phosphate and silica are both single crystal structures. Experiments show that the whitening effect of the abrasive component with multiple crystal structures is not simply and linearly improved relative to the abrasive component with a single structure, and the whitening effect of the toothpaste can be greatly improved by adding the abrasive component with different crystal structures.
In view of the defects in the prior art, the invention improves the abrasive in the toothpaste and achieves better whitening effect.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme:
an oral care composition with a whitening function is prepared from the following raw materials in parts by weight: 10-36 parts of a composite friction agent, 0.1-5 parts of a bleaching agent and 1-10 parts of a covering agent; other oral care composition bases in parts; other oral care composition bases include: 10-25 parts of deionized water, 15-25 parts of a humectant, 1-5 parts of a tackifier, 1-3 parts of a surfactant, 0.1-0.5 part of a flavoring agent, 0.1-0.3 part of a sweetening agent, 0.3-0.5 part of a buffering agent and 0.1-0.3 part of a preservative.
The oral care composition can be prepared by adopting a conventional method in the field, namely, the raw materials are weighed, dispersed and mixed in a pre-dispersing kettle, a vacuum pump of a paste preparation kettle is opened to suck the raw materials, then a scraper, a stirrer and a colloid mill are opened, the colloid mill, the stirrer and the scraper are closed in sequence after 45 minutes, and vacuum is broken to obtain the oral care composition;
the composite abrasive in the oral care product comprises silicon dioxide powder with the particle size and the distribution of D90 being less than or equal to 10 micrometers and calcium carbonate powder with the particle size and the distribution of D90 being less than or equal to 10 micrometers. The composite abrasive includes 4 different types of crystal structures, which provides better whitening effect than the abrasive component of a single crystal structure.
The bleaching agent in the oral care product is silver ion-hydrogen peroxide complex, which has good bleaching effect and can perform reductive bleaching on dark substances hidden in the micropores of teeth.
The covering agent is high-whiteness super-washing calcium sulfate powder prepared according to Chinese patent publication CN106006699B, the microstructure of the covering agent is similar to hydroxyapatite, the fineness of the covering agent is 1-10 micrometers, the crystal structure is flaky, the whiteness of the covering agent is 98-102, the covering agent reaches or even exceeds the level of standard white pigment titanium dioxide, the covering force is proper, the deep color on teeth can be covered properly, but the semitransparent state of the tip part of the teeth is not influenced, so that the teeth are naturally whitened, and the covering agent is used as the covering agent.
Experiment I, using SiO of single crystal structure2Abrasive and composite crystal structure SiO2The test of the whitening effect of the abrasive agent:
an oral care composition, which consists of the following raw materials in parts by weight: 36 parts of rubbing agent with the D90 being less than or equal to 10 microns, 0.1 part of 5% silver-hydrogen peroxide complex aqueous solution and high-whiteness superfine CaSO with the D90 being less than or equal to 5 microns of flaky crystal form41 part, 25 parts of deionized water, 20 parts of humectant glycerin, 3 parts of tackifier CMC, 2 parts of surfactant, 0.1 part of pure biologically purified osmanthus essence, 0.3 part of aspartame and 0.1 part of sodium benzoate.
The abrasive component of control 1 was tetrahedral SiO236 parts of (A);
the abrasive component of the control group 2 was spherical SiO236 parts of (A);
the abrasive component of control 3 was tetrahedral SiO218 portions of spherical SiO218 parts of a mixture;
10 oral care compositions in 100 g packages were prepared separately, including the components of controls 1-3, and each of 30 volunteers with teeth initial brightness of 5 (measuring tool Vita 3D-MASTER color scale) was subjected to a 3-month brushing test (brushing twice a day, one time in the morning and one time in the evening, pea size per dose of oral care composition, brushing time of not less than 2 minutes per dose).
The experimental data for control group 1 are as follows:
Figure BDA0003422210900000031
the experimental data for control group 2 are as follows:
Figure BDA0003422210900000032
the experimental data for control group 3 are as follows:
Figure BDA0003422210900000041
from the data of the first experiment, the lightness of the teeth of two volunteers in the control group 1 is changed from 5 to 4 at the end of the experiment, and the lightness of the teeth of other volunteers is not changed; the lightness of the teeth of one volunteer in the control group 2 is changed from 5 to 4 after ten weeks of the experiment, and the lightness of the teeth of other volunteers is not changed; the tooth brightness of one volunteer in the control group 3 is changed from 5 to 4 after 6 weeks of the experiment, the tooth brightness of seven volunteers is changed from 5 to 4 after two months of the experiment, the tooth brightness of the other volunteers is changed from 5 to 4 after 10 weeks of the experiment, the tooth brightness of all the people in the control group 3 is obviously improved, and comparison of 3 control groups proves that the two SiO crystal structures of the two control groups2Has mutual enhancing effect.
Experiment two, use single crystal structure CaCO3Abrasive and composite crystal structure CaCO3The test of the whitening effect of the abrasive agent:
an oral care composition, which consists of the following raw materials in parts by weight: 36 parts of rubbing agent with the D90 being less than or equal to 10 microns, and 5 percent of silver-hydrogen peroxide complex being water-soluble0.1 part of liquid, and high-whiteness superfine CaSO with D90 not more than 5 micron sheet crystal form41 part, 25 parts of deionized water, 20 parts of humectant glycerin, 3 parts of tackifier CMC, 2 parts of surfactant, 0.1 part of pure biologically purified osmanthus essence, 0.3 part of aspartame and 0.1 part of sodium benzoate.
The friction material component of the comparison group 1 is hexagonal CaCO336 parts of (A);
the friction material component of the control group 2 was spindle-type CaCO336 parts of (A);
the friction material component of the comparison group 3 is hexagonal CaCO318 parts of spindle type CaCO318 parts of a mixture;
10 oral care compositions in 100 g packages were prepared separately, including the components of controls 1-3, and each of 30 volunteers with teeth initial brightness of 5 (measuring tool Vita 3D-MASTER color scale) was subjected to a 3-month brushing test (brushing twice a day, one time in the morning and one time in the evening, pea size per dose of oral care composition, brushing time of not less than 2 minutes per dose).
The experimental data for control group 1 are as follows:
Figure BDA0003422210900000051
the experimental data for control group 2 are as follows:
Figure BDA0003422210900000052
the experimental data for control group 3 are as follows:
Figure BDA0003422210900000061
the brightness of the teeth of two volunteers in the control group 1 is changed from 5 to 4 at the end of the test, and the brightness of the teeth of other volunteers is not changed from the second test data; the lightness of the teeth of one volunteer in the control group 2 was changed from 5 to 4 after ten weeks of the experiment, the lightness of the teeth of two volunteers was changed from 5 to 4 after the end of the experiment,the tooth brightness of other volunteers did not change; the tooth brightness of two volunteers in the control group 3 was changed from 5 to 4 after 6 weeks of the experiment, the tooth brightness of six volunteers was changed from 5 to 4 after two months of the experiment, the tooth brightness of the other volunteers was changed from 5 to 4 after 10 weeks of the experiment, the tooth brightness of all the people in the control group 3 was improved significantly, and comparison of the 3 control groups demonstrated that the two crystal-structured CaCO3Has mutual enhancing effect.
Experiment III, use of Single Crystal Structure CaCO3And SiO of single crystal structure2Composite abrasive and CaCO of polycrystalline structure3And SiO of polycrystalline structure2The whitening effect experiment of the composite abrasive is as follows:
an oral care composition, which consists of the following raw materials in parts by weight: 36 parts of rubbing agent with the D90 being less than or equal to 10 microns, 0.1 part of 5% silver-hydrogen peroxide complex aqueous solution and high-whiteness superfine CaSO with the D90 being less than or equal to 5 microns of flaky crystal form41 part, 25 parts of deionized water, 20 parts of humectant glycerin, 3 parts of tackifier CMC, 2 parts of surfactant, 0.1 part of pure biologically purified osmanthus essence, 0.3 part of aspartame and 0.1 part of sodium benzoate.
The abrasive component of control 1 was tetrahedral SiO218 parts of hexagonal CaCO318 parts of a mixture;
the abrasive component of control 2 was tetrahedral SiO218 parts of spindle type CaCO318 parts of a mixture;
the friction agent component of the control group 3 was spherical SiO218 parts of hexagonal CaCO318 parts of a mixture;
the abrasive component of the control group 4 was spherical SiO218 parts of spindle type CaCO318 parts of a mixture;
the abrasive component of control 5 was tetrahedral SiO29 parts of spherical SiO29 parts of hexagonal CaCO39 parts of spindle-type CaCO39 parts of (1);
10 oral care compositions in 100 g packages were prepared separately including the ingredients of controls 1-5 and 50 volunteers, each having an average tooth brightness of 5 (the measuring tool was Vita 3D-MASTER color scale), were subjected to a 3-month brushing test (one time each morning and evening, pea size per dose of oral care composition, and no less than 2 minutes per brushing time).
The experimental data for control group 1 are as follows:
Figure BDA0003422210900000071
the experimental data for control group 2 are as follows:
Figure BDA0003422210900000081
the experimental data for control group 3 are as follows:
Figure BDA0003422210900000082
the experimental data for control group 4 are as follows:
Figure BDA0003422210900000083
the experimental data for control group 5 are as follows:
Figure BDA0003422210900000091
as can be seen from the data of the third experiment, the lightness of the teeth of one volunteer in the control group 1 was changed from 5 to 4 after 10 weeks of the experiment, the lightness of the teeth of one volunteer was changed from 5 to 4 after the experiment was finished, and the lightness of the teeth of the other volunteers was not changed; the lightness of the teeth of two volunteers in the control group 2 is changed from 5 to 4 after the experiment is finished, and the lightness of the teeth of other volunteers is not changed; in the control group 3, the tooth brightness of one volunteer is changed from 5 to 4 after the experiment is carried out for 10 weeks, two volunteers are changed from 5 to 4 after the experiment is finished, and the others are unchanged; two of the control groups 4 had a change in tooth brightness from 5 to 4 at the end of the experiment, and the others did not change; in the control group 5, 6 of the teeth changed in lightness from 5 to 4 after 6 weeks of the experiment, 3 of the teeth changed from 5 to 4 after two months of the experiment, the remainder changed from 5 to 4 after 10 weeks of the experiment, and 6 of the teeth changed from 4 to 3 after the end of the experiment.
From the experimental data it can be seen that: even if the abrasive contains a plurality of components (e.g., silica and calcium carbonate), if each component has only a single crystal structure (experiment three controls 1, 2, 3, 4), it has substantially no reinforcing effect with respect to each other, and its abrasive effect is similar to that of a single component abrasive (experiment one controls 1, 2, experiment two controls 1, 2), but if each component includes a plurality of crystal structures, it has reinforcing effect with respect to each other (experiment one control 3, experiment two controls 3, experiment three controls 5).
Detailed Description
The present invention is further explained with reference to the following embodiments, which are only for further explaining the present invention, but should not be limited to the following embodiments, and all technical solutions implemented based on the above contents of the present invention belong to the protection scope of the present invention.
Example 1:
an oral care composition, which consists of the following raw materials in parts by weight: 36 parts of composite abrasive with the D90 being less than or equal to 10 micrometers, wherein the composite abrasive comprises tetrahedral SiO29 parts of spherical SiO29 parts of hexagonal CaCO39 parts of spindle type CaCO39 portions of 5 percent silver-hydrogen peroxide complex aqueous solution 0.1 portion of high-whiteness superfine CaSO with flaky crystal form with D90 being less than or equal to 5 microns41 part, 25 parts of deionized water, 20 parts of humectant glycerin, 3 parts of tackifier CMC, 2 parts of surfactant, 0.1 part of pure biologically purified osmanthus essence, 0.3 part of aspartame and 0.1 part of sodium benzoate.
The preparation method comprises weighing the above raw materials, dispersing in a pre-dispersing kettle, mixing, opening a paste-making kettle, sucking in the raw materials by a vacuum pump, opening a scraper, a stirrer and a colloid mill, closing the colloid mill, the stirrer and the scraper in sequence after 45 min, and breaking vacuum to obtain the final product.
Experimental procedures and results:
this example prepares 10 grams of oral care composition, each of 10 volunteers having an initial tooth brightness of 5 (the measuring tool is the Vita 3D-MASTER color scale) for a 3 month brushing trial (one time each morning and evening, pea size per time of oral care composition, and no less than 2 minutes per time of brushing) and compares the results with the brushing effect of the same number of volunteers with a commercially available oral care composition as follows (data in the table are the most people brightness values, such as 5 represents the most volunteers with a brightness value of 5):
course of the experiment Example 1 Toothpaste 1 Toothpaste 2 Toothpaste 3 Toothpaste 4 Toothpaste 5 Toothpaste 6
Before the start of the experiment 5 5 5 5 5 5 5
2 weeks after the start of the experiment 5 5 5 5 5 5 5
1 month after the start of the experiment 5 5 5 5 5 5 5
6 weeks after the start of the experiment 4 5 5 5 5 5 5
2 months after the start of the experiment 4 5 5 5 4 5 5
10 weeks after the start of the experiment 4 5 5 5 4 4 5
End of experiment 3 5 4 4 4 4 4
The experimental data show that most of the volunteers adopting the method can see the obvious stain removing and whitening effects 6 weeks after the experiment starts, the contrast group has no obvious change, the tooth brightness of most of the volunteers can reach 3 after the experiment is finished, the tooth brightness of most of the volunteers in the contrast group can only reach 4, most of the volunteers in the method finally span two brightness levels, the contrast group only spans one brightness level, and the improvement effect is far smaller than that of the method.
Experiments show that the whitening effect of the toothpaste is far better than that of the toothpaste in the prior art.
Example 2:
an oral care composition, which consists of the following raw materials in parts by weight: 25 parts of composite friction agent with the D90 being less than or equal to 10 micrometers, wherein the composite friction agent comprises tetrahedral SiO26 parts of spherical SiO210 parts and hexagonal CaCO310 portions of 5 percent silver-hydrogen peroxide complex aqueous solution, and the D90 is less than or equal to 5 micronsHigh-whiteness superfine CaSO with rice flake crystal form43 parts, 20 parts of deionized water, 25 parts of humectant glycerin, 3 parts of tackifier CMC, 2 parts of surfactant, 0.3 part of pure biologically purified osmanthus essence, 0.3 part of aspartame and 0.1 part of sodium benzoate.
Following the preparation method in example 1, the oral care composition in example 2 was obtained.
Experimental procedures and results:
this example prepares 10 grams of oral care composition, each of 10 volunteers having an average tooth brightness of 5 (the measuring tool is the Vita 3D-MASTER color scale) for a 3 month brushing test (one time each morning and evening, pea size per time of oral care composition, and not less than 2 minutes per time of brushing) and compares the results with the brushing effect of the same number of volunteers with a commercially available oral care composition, as follows (data in the table are the most people brightness values, such as 5 represents the most volunteers with a brightness value of 5):
course of the experiment Example 2 Toothpaste 1 Toothpaste 2 Toothpaste 3 Toothpaste 4 Toothpaste 5 Toothpaste 6
Before the start of the experiment 5 5 5 5 5 5 5
2 weeks after the start of the experiment 5 5 5 5 5 5 5
1 month after the start of the experiment 4 5 5 5 5 5 5
6 weeks after the start of the experiment 4 5 5 5 5 5 5
2 months after the start of the experiment 4 5 5 5 4 5 5
10 weeks after the start of the experiment 4 5 5 5 4 4 5
End of experiment 4 5 4 4 4 4 4
The experimental data show that a significantly better whitening effect can be seen after one month from the start of the experiment, the tooth brightness of most volunteers is increased from 5 to 4, and most volunteers in the control group need to wait longer to increase to 4.
The results show that volunteers using the oral care compositions of the examples were able to improve certain tooth brightness in a short time, while the control group took longer or no change.
Example 3:
an oral care composition comprises the following raw materials in parts by weight: 10 parts of composite abrasive with D90 being less than or equal to 10 microns, wherein the composite abrasive comprises tetrahedral SiO23 parts of spherical SiO23 parts of hexagonal CaCO32 parts and spindle-shaped CaCO32 parts of 5 percent silver-hydrogen peroxide complex aqueous solution 3 parts of high-whiteness superfine CaSO with flaky crystal form D90 being less than or equal to 5 micrometers410 parts, 25 parts of deionized water, 25 parts of humectant glycerin, 3 parts of tackifier CMC, 2 parts of surfactant, 0.2 part of pure biologically purified osmanthus essence, 0.3 part of aspartame and 0.1 part of sodium benzoate.
Following the preparation method in example 1, the oral care composition in example 3 was obtained.
Experimental procedures and results:
this example prepares 100 grams of 10 oral care compositions each delivered to a volunteer 10 having an average tooth brightness of 5 (measuring tool is Vita 3D-MASTER color scale) and performs a 3 month brushing test (brushing once in the morning and at night, pea size per application of oral care composition, and brushing time no less than 2 minutes per application) in comparison to the brushing effect of the same number of volunteers with a commercially available oral care composition, as follows (data in the table are the maximum number of brightness values, such as 5 represents the maximum number of volunteers having a brightness value of 5):
course of the experiment Example 3 Toothpaste 1 Toothpaste 2 Toothpaste 3 Toothpaste 4 Toothpaste 5 Toothpaste 6
Before the start of the experiment 5 5 5 5 5 5 5
2 weeks after the start of the experiment 5 5 5 5 5 5 5
1 month after the start of the experiment 5 5 5 5 5 5 5
6 weeks after the start of the experiment 4 5 5 5 5 5 5
2 months after the start of the experiment 4 5 5 5 4 5 5
10 weeks after the start of the experiment 4 5 5 5 4 4 5
End of experiment 3 5 4 4 4 4 4
The experimental data show that a significantly better whitening effect can be seen 6 weeks after the start of the experiment, the tooth brightness of most volunteers is improved from 5 to 4, and the tooth brightness is changed into 3 after the end of the experiment, spanning two brightness levels. The change of the tooth brightness of other control groups is not obvious, after the experiment is finished, the tooth brightness of most volunteers in most control groups can reach 4, but the change effect and the change rate are smaller compared with the invention.

Claims (3)

1. The oral care composition with the whitening function is characterized by comprising the following raw materials in parts by weight: 10-36 parts of a composite friction agent, 0.1-5 parts of a bleaching agent and 1-10 parts of a covering agent; other oral care composition bases in parts; other oral care composition bases include: 10-25 parts of deionized water, 15-25 parts of a humectant, 1-5 parts of a tackifier, 1-3 parts of a surfactant, 0.1-0.5 part of a flavoring agent, 0.1-0.3 part of a sweetening agent, 0.3-0.5 part of a buffering agent and 0.1-0.3 part of a preservative; the composite abrasive is a mixture consisting of silicon dioxide powder with a spherical crystal structure and a tetrahedral crystal structure and a calcium carbonate powder with a spindle crystal structure and a hexagonal crystal structure, wherein the silicon dioxide powder has a particle size and distribution D90 of less than or equal to 10 microns, and the calcium carbonate powder has a particle size and distribution D90 of less than or equal to 10 microns.
2. The oral care composition with whitening function according to claim 1, wherein the bleaching agent used in the oral care composition is a silver ion-hydrogen peroxide complex bleaching agent.
3. The oral care composition with whitening function according to claim 1, wherein the covering agent used in the oral care composition is high-whiteness ultrafine calcium sulfate powder, the whiteness of the calcium sulfate powder is 98-102, the fineness of the calcium sulfate powder is 1-10 microns, and the crystal structure of the calcium sulfate powder is a sheet structure.
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CN1178232A (en) * 1996-09-30 1998-04-08 巴斯福股份公司 Polymer/hydrogen peroxide complexes
CN1260830A (en) * 1997-03-07 2000-07-19 普罗格特-甘布尔公司 Bleach compositions
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CN111603407A (en) * 2020-06-22 2020-09-01 江西草珊瑚口腔护理用品有限公司 Whitening toothpaste containing multiple amino acids
CN111825115A (en) * 2019-04-16 2020-10-27 同济大学 Regular hexahedral calcium carbonate material and preparation method and application thereof
CN112691057A (en) * 2020-12-23 2021-04-23 中国热带农业科学院热带作物品种资源研究所 Compound functional toothpaste and preparation method thereof
CN113425653A (en) * 2021-08-11 2021-09-24 赵新辉 Preparation process of antiallergic toothpaste

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1178232A (en) * 1996-09-30 1998-04-08 巴斯福股份公司 Polymer/hydrogen peroxide complexes
CN1260830A (en) * 1997-03-07 2000-07-19 普罗格特-甘布尔公司 Bleach compositions
CN106006699A (en) * 2016-07-07 2016-10-12 内蒙古金鼎光明新材料股份有限公司 Method for preparing high-whiteness superfine calcium sulfate powder
KR20190055561A (en) * 2017-11-15 2019-05-23 주식회사 비온뒤컴퍼니 Toothpaste composition for prevention and improvement of periodontal disease
CN111825115A (en) * 2019-04-16 2020-10-27 同济大学 Regular hexahedral calcium carbonate material and preparation method and application thereof
CN111603407A (en) * 2020-06-22 2020-09-01 江西草珊瑚口腔护理用品有限公司 Whitening toothpaste containing multiple amino acids
CN112691057A (en) * 2020-12-23 2021-04-23 中国热带农业科学院热带作物品种资源研究所 Compound functional toothpaste and preparation method thereof
CN113425653A (en) * 2021-08-11 2021-09-24 赵新辉 Preparation process of antiallergic toothpaste

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