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Silk extract, whitening and freckle-removing composition containing silk extract and preparation method of composition

A technology for whitening and removing freckles and extracts, which is applied in the field of cosmetics and can solve problems such as irritation, accelerated pigment decomposition, and inability to use for a long time.

Inactive Publication Date: 2018-08-14
SOUTHWEST UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] These active substances have a certain ability to inhibit the enzymatic activity of tyrosine and accelerate the decomposition of pigments, so as to achieve the effect of whitening and removing spots, but they are irritating to a certain extent, and some people with sensitive and sensitive skin cannot use them for a long time.

Method used

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  • Silk extract, whitening and freckle-removing composition containing silk extract and preparation method of composition
  • Silk extract, whitening and freckle-removing composition containing silk extract and preparation method of composition
  • Silk extract, whitening and freckle-removing composition containing silk extract and preparation method of composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] The present invention carries out following test to silk extraction process:

[0048] No. 1: After the silkworm cocoons are washed and infiltrated, they are put into water at a bath ratio of 1:50, and papain is added to the final concentration of the resulting solution at 3g / L, treated at 60°C for 60 minutes, filtered, and the filtrate is freeze-dried to obtain silk extract.

[0049] No. 2: After the silkworm cocoons are washed and infiltrated, they are put into water at a bath ratio of 1:50, and papain is added to obtain a final concentration of 2g / L, treated at 60°C for 60 minutes, filtered, and the filtrate is freeze-dried to obtain silk extract.

[0050] No. 3: After the silkworm cocoons are washed and infiltrated, they are put into water at a bath ratio of 1:50, treated at 0.1 MPa at 120°C for 120 minutes, filtered, and the filtrate is freeze-dried to obtain silk extract.

[0051] No. 4: After the silkworm cocoons are washed and infiltrated, they are put into water...

Embodiment 2

[0066] A whitening and freckle-removing cream, comprising the following raw materials by weight percentage: silk extract 11%, centella asiatica extract 0.6%, palmitoyl pentapeptide-20 0.2%, yeast lysate extract 2.6%, ceramide -3 0.6%, glycerin 3%, cetearyl olive oil 2.2%, cetyl palmitate 1.8%, jojoba oil 1%, isononyl isononanoate 1%, polydimethyl Siloxanol 1%, Cyclopentasiloxane / Dimethicone Crosspolymer 1%, Isohexadecane 1%, Acrylic Copolymer 0.6%, Egg Phospholipids 0.6%, acrylates / vinyl isodecanoate crosspolymer 0.8%, glycerol polyacrylate 4%, triethanolamine 0.6%, 1,2-pentanediol 1%, the balance is deionized water .

[0067] Wherein, the silk extract is made through the following steps:

[0068] After the silkworm cocoons are washed and infiltrated, they are put into water at a bath ratio of 1:40, treated at 0.1MPa, 120°C for 2 hours, filtered, and the filtrate is freeze-dried to obtain silk extract.

[0069] The preparation method of above-mentioned whitening cream, comp...

Embodiment 3

[0076] A whitening and freckle-removing cream, comprising the following raw materials by weight percentage: 6% of silk extract, 0.2% of Centella asiatica extract, 0.5% of palmitoyl pentapeptide-20, 0.2% of yeast lysate extract, ceramide -3 0.2%, Glycerin 5%, Cetearyl Olivate 1.5%, Cetyl Palmitate 1.5%, Jojoba Oil 3.5%, Isononyl Isononanoate 1%, Polydimethyl Siloxanol 3%, Cyclopentasiloxane / Dimethicone Crosspolymer 2.5%, Isohexadecane 2%, Acrylic Copolymer 1%, Egg Phospholipids 1%, acrylates / vinyl isodecanoate crosspolymer 1%, glycerol polyacrylate 5%, triethanolamine 1.5%, 1,2-pentanediol 3%, the balance is deionized water .

[0077] Wherein, the silk extract is made through the following steps:

[0078] After the silkworm cocoons are washed and infiltrated, they are put into water at a bath ratio of 1:60, treated at 0.15 MPa and 110°C for 3 hours, filtered, and the filtrate is freeze-dried to obtain silk extract.

[0079] The preparation method of the whitening and freckle...

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Abstract

The invention discloses silk extract. The invention discloses a whitening and freckle-removing composition; the whitening and freckle-removing composition is prepared from the silk extract, herba centellae extract, palmitoyl pentapeptide-20, saccharomyces lysate extract and ceramide-3. The invention provides whitening and freckle-removing cream; the whitening and freckle-removing cream is preparedfrom the following raw materials in percentage by weight: 2.4 to 30 percent of functional component, 1 to 5 percent of glycerol, 1 to 5 percent of emulsifier, 5 to 23 percent of grease, 2 to 8 percent of thickening agent, 0.1 to 2 percent of triethanolamine, 1 to 3 percent of 1,2-pentylene glycol and the balance of de-ionized water, wherein the functional component comprises the silk extract, theherba centellae extract, palmitoyl pentapeptide-20, the accharomyces lysate extract and ceramide-3. The invention further discloses a preparation method of the whitening and freckle-removing cream. According to the whitening and freckle-removing cream provided by the invention, all the raw materials have a synergetic effect so that the prepared whitening and freckle-removing cream has a strong whitening and freckle-removing capability and also has the advantages of moderate properties, small irritation, high moistening degree, easiness for absorption, safety and no toxic and side effects andthe like.

Description

technical field [0001] The invention relates to the technical field of cosmetics, in particular to a silk extract, a whitening and spot-removing composition containing the same and a preparation method. Background technique [0002] Due to the increase of pigment in the skin, spots with different colors from the surrounding areas appear on the skin, which are called spots, and have been a major problem that has plagued human skin for a long time. Pigmentation includes freckles, sunburn, dark spots, chloasma and age spots, etc., and belongs to pigmented disordered skin diseases. Ultraviolet radiation, unstable sleep time, computer radiation, hormone secretion disorders, abuse of cosmetics, improper use of cosmetics, environmental pollution, etc. may cause abnormal pigmentation on the skin surface and form spots. [0003] Tyrosinase is a copper-containing metalloenzyme. Tyrosinase is a key enzyme for melanin synthesis. The stronger the enzyme activity of tyrosinase, the more ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K8/64A61K8/9789A61K8/9728A61K8/68A61Q19/02
CPCA61K8/64A61K8/68A61K8/9728A61K8/9789A61Q19/02
Inventor 孙悦婷夏庆友赵萍李晓鸿
Owner SOUTHWEST UNIVERSITY
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