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Freckle and chloasma removing gel and preparation method thereof

A yellow gel and freckle-removing technology, which is applied in the field of freckle-removing yellow gel and its preparation, can solve the problems of heavy metal poisoning spots, pigment rebound, skin darkening, etc., and achieve the effects of preventing water loss, easy absorption, and enhanced water retention capacity

Active Publication Date: 2014-12-10
上海达尔威生物技术研发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But this effect is short-lived, and the ultimate consequence is that tyrosinase still catalyzes the regeneration of pigment indefinitely, darkening the skin, causing the pigment to rebound, and even heavy metal poisoning spots appear.

Method used

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  • Freckle and chloasma removing gel and preparation method thereof
  • Freckle and chloasma removing gel and preparation method thereof
  • Freckle and chloasma removing gel and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] 1.1 Preparation of forget-me-not extract:

[0037] Weigh 20g of forget-me-nots, reflux and extract in water at 95°C for 3 times, add 20 times the amount of water for the first time, extract for 2 hours, use 15 times the amount of water for the second time, extract for 1.5 hours, add 10 times the amount of water for the third time, extract for 1 hour, Filter each time with 3 layers of gauze, combine the filtrates, heat and concentrate to 15 times g / ml of the weight of the forget-me-not, and obtain the forget-me-not extract.

[0038] 1.2 Preparation of rosemary extract:

[0039] Weigh 10g of rosemary, reflux and extract in water at 100°C for 3 times, add 25 times the amount of water for the first time, heat and decoct for 2 hours, filter with three layers of gauze, add 20 times the amount of water for the second time, extract for 1.5 hours , filter, and use 15 times the amount of water for the third time, heat and decoct for 1 hour, filter, mix the filtrate three times, ...

Embodiment 2

[0050] 2.1 Preparation of forget-me-not extract:

[0051] Weigh 25g of forget-me-nots and extract in water at 100°C for 3 times, add 25 times the amount of water for the first time, extract for 1.5 hours, use 15 times the amount of water for the second time, extract for 1 hour, add 8 times the amount of water for the third time, extract for 0.5 hours, Filter each time with 3 layers of gauze, combine the filtrates, heat and concentrate to 15 times g / ml of the weight of the forget-me-not, and obtain the forget-me-not extract.

[0052] 2.2 Preparation of rosemary extract:

[0053] Weigh 15g of rosemary, reflux and extract in water at 100°C for 3 times, add 20 times the amount of water for the first time, extract for 1.5h, filter with three layers of gauze, add 15 times the amount of water for the second time, extract for 1h, filter, For the third time, use 10 times the amount of water, extract for 0.5h, filter, combine the three filtrates, heat and concentrate to 10 times the we...

Embodiment 3

[0064] The physicochemical index of embodiment 1,2 is as follows

[0065] 3.1 Traits

[0066] This product is a milky white, transparent and crystal clear gel with suitable viscosity, good stability and fragrant smell.

[0067] 3.2 pH check

[0068] Take this product and measure it with pH test paper, and the pH value is 6-7.

[0069] 3.3 Hot and cold test

[0070] The gel was packaged in a transparent cosmetic bottle and refrigerated in a refrigerator at 4°C for one month to observe no delamination. In a constant temperature box at 55°C for 24 hours, the gel has no phenomenon of stratification and odor change.

[0071] 3.4 Centrifugal test

[0072] The gel was packaged in a stoppered test tube at 3000r / min, and centrifuged for 20min without stratification.

[0073] 3.5 Placement experiment at room temperature

[0074] The gel prepared in Examples 1 and 2 was placed in a cosmetic bottle, and left standing at room temperature for 6 months, no delamination phenomenon, no ...

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Abstract

The invention discloses freckle and chloasma removing gel and a preparation method thereof. The gel comprises the following substances: evening primrose oil, grape seed oil, wheatgerm oil, creour agel SIMULGEL EG, olive emulsifier, ice forming agent AVC, 1% gel forming agent STABILEZE QM solution, sodium alginate, carbomer 941, 1,3-butanediol, 1,2-propylene glycol, rosemary extract, myosotis sylvatica extract, 7% ethylparaben alcoholic solution (75% ethanol) and distilled water. Compared with the prior art, the freckle and chloasma removing gel is milk white, transparent and glittering, has proper viscosity, mild property and good stability, is moistened and nourishing, has aromatic smell, and is capable of supplying nutrition to facial skin and removing freckle and chloasma, so that skin can be deeply nourished, moistened and elastic.

Description

technical field [0001] The invention relates to a preparation method of a gel, in particular to a freckle-removing and yellow-removing gel and a preparation method thereof. Background technique [0002] Spots are prone to occur on the face, and are light brown, dark brown, taupe pigmented spots, including freckles, dark spots, chloasma and age spots, etc., which are pigmented disordered skin diseases. Western medicine believes that it is a variation of photosensitive dermatitis or phototoxic dermatitis. Many cases have a history of contact with chemicals and inferior cosmetics. Some ingredients in cosmetics such as actor's oil paint or household cosmetics can occasionally cause pigmentation. Aggravated by sun exposure. Electromagnetic oscillation can stimulate melanin in the skin. Long-term exposure to computer radiation, poor sleep or insufficient rest at night, and high psychological and work pressure can all cause pigmentation. In addition, malnutrition and other factor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K8/02A61K8/97A61K8/92A61Q19/08A61Q19/00A61Q19/02A61P17/00
Inventor 孙淑萍何宝佳陈晓丽周梦琪陈齐张汉卿
Owner 上海达尔威生物技术研发有限公司
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