Freckle-removing rod and preparation method thereof

A technology of freckle removal and mass ratio, applied in the field of freckle removal and whitening cosmetics, can solve the problems of insignificant effect and easy softening, and achieve the effect of good effect, less softening and better effect.

Active Publication Date: 2020-03-17
泉后(广州)生物科技研究院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Chinese patent CN 107583183A discloses a three-purpose pen for removing acne, freckles and itching for students. The cream stick is easy to soften, so it is necessary to develop a freckle stick, which is easy to use, has remarkable freckle and whitening effects, and the appearance of the stick is stable, suitable for long-term use

Method used

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  • Freckle-removing rod and preparation method thereof
  • Freckle-removing rod and preparation method thereof
  • Freckle-removing rod and preparation method thereof

Examples

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Embodiment 1～6

[0041] Embodiment 1~6, freckle removing stick of the present invention and preparation method thereof

[0042] The formulations of the freckle-removing sticks of Examples 1 to 6 of the present invention are shown in Table 2 below.

[0043] Table 2

[0044]

[0045] The preparation method of embodiment 1-6 freckle stick of the present invention comprises the following steps:

[0046] S1. Weigh shea butter oil, pentaerythritol tetraisostearate, candelilla wax, cetearyl alcohol, beeswax, konjac polysaccharide and hydrogenated polyisobutene into the oil bath dissolving tank, heat to 85°C, keep 20min, stir and dissolve evenly to obtain mixture A;

[0047] S2. Weigh tocopherol, ascorbic acid tetraisopalmitate, kojic acid dipalmitate and glabridin oil solution into deionized water, stir until completely dissolved, and obtain a solution with a concentration of 20%, as mixture B;

[0048] S3. Preheat the mixture B obtained in step S2 to 60°C and slowly add it dropwise to the mixt...

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Abstract

The invention belongs to the field of freckle-removing and whitening cosmetics and provides a freckle-removing rod and a preparation method thereof. The freckle-removing rod is prepared from a component A and a component B; the mass ratio of the component A to the component B is (77.5-87.5):(12.5-22.5); the component A comprises an emollient, an emulsifier, a stabilizer and a humectant; the component B comprises tocopherol, ascorbyl tetraisopalmitate, kojic acid dipalmitate and glycyrrhiza glabra root extract; the mass ratio of the tocopherol to ascorbyl tetraisopalmitate to kojic acid dipalmitate to the glycyrrhiza glabra root extract is (1.5-3): (3-16): (0.5-8): (0.5-5); and the tocopherol, the ascorbyl tetraisopalmitate, the kojic acid dipalmitate and the glycyrrhiza glabra root extractare combined according to a specific ratio to achieve a synergistic effect, so that the whitening components can better permeate into the skin of a user, have a better freckle-fading effect and are higher in safety.

Description

technical field [0001] The invention relates to the field of freckle-removing and whitening cosmetics, in particular to a freckle-removing stick and a preparation method thereof. Background technique [0002] Pigmentation, divided into freckles, dark spots, chloasma, and age spots, etc., are localized or dispersed, and belong to pigmented disordered skin diseases. It is a common facial appearance formed by the increase of melanin caused by external ultraviolet rays and other factors on the skin. A brown or hyperpigmented skin disorder, most often on the cheeks and forehead. [0003] There are many products for lightening spots, removing spots and whitening on the market, including various whitening masks, essences and whitening creams. [0004] Chinese patent CN 107583183A discloses a three-purpose pen for removing acne, freckles and itching for students. The ointment stick is easy to soften, so it is necessary to develop a freckle-removing stick, which is easy to use, has...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K8/9789A61K8/92A61K8/81A61K8/73A61K8/67A61K8/49A61K8/37A61K8/02A61Q19/02A61Q19/08A61Q19/00
CPCA61K8/0229A61K8/375A61K8/498A61K8/676A61K8/678A61K8/73A61K8/8111A61K8/922A61K8/927A61K2800/52A61K2800/592A61K2800/782A61Q19/00A61Q19/02A61Q19/08A61K8/9789
Inventor 袁裕泉张娇韩志东
Owner 泉后(广州)生物科技研究院有限公司
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