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Composition For Enhancing Protein Strength

Inactive Publication Date: 2020-05-07
LG HOUSEHOLD & HEALTH CARE LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0033]A composition for enhancing protein strength according to the present invention contains an aminosilane compound which enables covalent bonding with a protein of hair, scalp, skin, finger/toe nails, leather or fiber, thereby forming a covalent bond between the protein and an aminosilane compound, and thus a protein strength enhancing effect may be improved, and a semi-permanent protein strength enhancing effect can be maximized
[0034]The present invention relates to a composition for enhancing protein strength, which includes an aminosilane compound and a reaction mediator.
[0035]The “composition for enhancing protein strength” used herein refers to a composition acting to semi-permanently link proteins through covalent bonding between an aminosilane compound and carboxyl groups and amine groups, which are present in large amounts as a constituent component of a hair, scalp, finger/toe nail, skin or fiber protein, to enhance protein strength. In addition, the composition for enhancing protein strength refers to a composition which makes a protein appear thicker, and has side effects such as increasing elasticity and thickness.
[0036]The “composition for enhancing prote

Problems solved by technology

On the skin surface of the human body, aging keratinocytes are continuously being shed, and in aged skin, it takes more time for the detachment of the cornified layer, resulting in thickening of the cornified layer.
Therefore, the functional degradation of keratinocytes leads to generation of more dead cells, and causes fine lines and skin roughness.
These protein-based fibers, hair, skin, finger/toe nails and leather are types of very rigid proteins under mild conditions such as water or a neutral solvent, but may be easily damaged by physical/chemical treatment and environmental stress such as combing, heat of a dryer, dyeing or a permanent, which commonly occurs in common life, physical friction in daily life, washing, sunlight, heat

Method used

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  • Composition For Enhancing Protein Strength
  • Composition For Enhancing Protein Strength
  • Composition For Enhancing Protein Strength

Examples

Experimental program
Comparison scheme
Effect test

Example

EXAMPLES 1 TO 12 AND COMPARATIVE EXAMPLES 1 TO 4

[0067]Shampoo compositions for enhancing the strength of a hair protein according to Examples 1 to 12 and Comparative Examples 1 to 4 were prepared with compositions and contents shown in Tables 1 and 2 below. Hair was thoroughly washed with each of the prepared shampoo compositions, and then about 3 g of a towel-dried hair tress was prepared, and therefrom, 50 strings of the hair were randomly extracted to measure a tensile strength using a hair tensile strength tester, and the result was determined to be hair tensile strength before use of the composition. Shampooing was performed 30 times on the specimens prepared from the same tress using 0.3 g of each composition, and then subjected to the measurement of tensile strength to evaluate strength variations. The results obtained from the all compositions were compared.

TABLE 1Example Example Example Example Example Example Example Example Example Example Example Example (Parts by weight...

Example

EXAMPLES 13 TO 24 AND COMPARATIVE EXAMPLES 5 TO 8

[0069]Body wash compositions for enhancing elasticity through skin strengthening according to Examples 13 to 24 and Comparative Examples 5 to 8 were prepared with compositions and contents shown in Tables 5 and 6. The initial elasticity of artificial skin was measured, the elasticity of artificial skin after 30 times of use was assessed using each composition prepared previously, and the skin elasticity enhancement effect of the compositions were compared.

TABLE 5Example Example Example Example Example Example Example Example Example Example Example Example (Parts by weight)131415161718192021222324WaterToToToToToToToToToToToTo100100100100100100100100100100100100Polyquaternium-70.50.50.50.50.50.50.50.50.50.50.50.5EDTA 4Na0.050.050.050.050.050.050.050.050.050.050.050.05Lauric Acid333333333333Myristic acid444444444444Sodium Lauryl Ether202020202020202020202020(2 mole) Sulfate (30%)Cocamidopropyl151515151515151515151515Betaine (30%)Fragran...

Example

EXAMPLES 25 TO 36 AND COMPARATIVE EXAMPLES 9 TO 12

[0071]Compositions for strengthening nails according to Examples 25 to 36 and Comparative Examples 9 to 12 were prepared with compositions and contents shown in Tables 9 and 10 below. Each composition was used on 10 consumers for 20 days, and then conditions of nails such as splitting or cracking were compared to those of the initial conditions of the nails, and sensory evaluated on a 5-point scale (5: very good, 4: good, 3: no difference, 2: almost no effect, 1: no effect at all) for comparison.

TABLE 9Example Example Example Example Example Example Example Example Example Example Example Example (Parts by weight)252627282930313233343536WaterToToToToToToToToToToToTo100100100100100100100100100100100100Amodimethicone0.50.50.50.50.50.50.50.50.50.50.50.518-Methyl Eicosanoic111111111111AcidIsostearylamine111111111111Glycerin222222222222Butylene glycol222222222222Propylene glycol222222222222Fragrance0.90.90.90.90.90.90.90.90.90.90.90.9Carb...

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Abstract

A composition for enhancing protein strength according to the present invention contains an aminosilane compound capable of covalent binding with a protein of hair, scalp, skin, nails, leather, or textile, so that the protein and the amino silane compound form a covalent bond, and thus the composition can improve the protein strength enhancement effect and maximize the semi-permanent protein strength enhancement effect.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application is a national phase entry under 35 U.S.C. § 371 of International Application No. PCT / KR2017 / 014555, filed Dec. 12, 2017, which claims priority to Korean Patent Application No. 10-2017-0004038, filed Jan. 11, 2017 and Korean Patent Application No. 10-2017-0161920, filed Nov. 29, 2017.TECHNICAL FIELD[0002]The present invention relates to a composition for enhancing protein strength of hair, skin, finger / toe nails, leather or fiber.BACKGROUND ART[0003]The skin is tissue covering the surface of a body, consisting of the epidermis, the dermis and a subcutaneous fat layer, and skin appendages include a sweat gland, a sebaceous gland, hair, and hand / toe nails. The epidermis constituting the outermost part of the skin is derived from the ectoderm, and largely consists of an inner part formed of living cells called the malpighian layer, and an outer part, the stratum corneum, formed of anucleate, flat, dry and dead cells. The thic...

Claims

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Application Information

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IPC IPC(8): A61K8/58A61K8/55A61K8/66A61Q5/00A61Q19/00
CPCA61K8/66A61Q5/00A61Q19/00A61K8/585A61K8/55A61K8/40A61K8/4926A61K8/64A61K8/86A61K8/8176A61K8/8147A61K8/8129A61Q5/12A61Q19/10A61Q5/02A61K8/44A61K8/416
Inventor SON, SEONG KILCHOI, WON KYUNGKIM, DONG WANYOO, JI HEELEE, JEONG RAELEE, SANG MIN
Owner LG HOUSEHOLD & HEALTH CARE LTD