# US 11,110,117 B2 · Skin preparation composition for external use containing complex hyaluronic acid

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- Number: US 11,110,117 B2
- Document ID: US11110117B2
- Status: Granted
- Kind: B2
- Application number: 16/738,357
- Filed: 2020-01-09
- Published: 2021-01-21
- Granted: 2021-09-07
- Earliest claimed: 2019-07-17
- Assignees: J2Kbio Co., Ltd.; Cosmecca Korea Co., Ltd.
- Applicants: J2Kbio Co., Ltd.; Cosmecca Korea Co., Ltd.
- Inventors: Jae Soeb Lee; Jun Tae Bae; Seok Jong Kim; Young Kwon Cha; Hang Eui Cho; Ju Tae Jeong; Kyeong Seok So
- Web page: https://patentgrep.com/patent/US11110117B2

## CPC

- A61K 31/728: Hyaluronic acid
- A61K 8/735: {Mucopolysaccharides, e.g. hyaluronic acid; Derivatives thereof}
- A61P 17/04: Antipruritics
- A61Q 19/08: Anti-ageing preparations
- A61K 2800/75: Anti-irritant
- A61K: PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES (devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms A61J3/00; chemical aspects of, or use of materials for deodorisation of air, for disinfection or sterilisation, or for bandages, dressings, absorbent pads or surgical articles A61L; soap compositions C11D)
- A61P: SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61Q: SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS

## Abstract

Disclosed is a skin preparation composition for external use containing complex hyaluronic acid as an active ingredient, and specifically relates to a skin preparation composition for external use that contains hyaluronic acid, sodium hyaluronate, and hydrolyzed hyaluronic acid as active ingredients, and are excellent in an active oxygen scavenging effect, a wrinkle improvement effect, a moisturizing effect, a skin irritation relief effect, an acne prevention effect, an atopy improvement effect, and an anti-inflammatory effect, an hair damage prevention effect, and a hair loss prevention and hair growth effect.

## Claims

### Claim 1

A skin preparation composition for external use consisting of complex hyaluronic acid and purified water,
wherein the complex hyaluronic acid consisting of hyaluronic acid, sodium hyaluronate, and hydrolyzed hyaluronic acid is contained by 0.001 to 3 weight % with respect to the total composition.

### Claim 2 (depends on 1)

The skin preparation composition for external use containing complex hyaluronic acid according to claim 1,
wherein the skin preparation composition for external use has an anti-aging effect.

### Claim 3 (depends on 1)

The skin preparation composition for external use containing complex hyaluronic acid according to claim 1,
wherein the skin preparation composition for external use has an irritation relief function.

### Claim 4 (depends on 1)

The skin preparation composition for external use containing complex hyaluronic acid according to claim 1,
wherein the skin preparation composition for external use has an atopic skin improvement function.