# US 2011/0108049 A1 · Method for growing or nourishing head hair

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- Number: US 2011/0108049 A1
- Document ID: US20110108049A1
- Status: Published application
- Kind: A1
- Application number: 12/993,306
- Filed: 2009-05-19
- Published: 2011-05-12
- Earliest claimed: 2008-05-19
- Assignees: Towa Enzyme Co., Ltd.; Thales
- Inventors: Kazuo Miyazaki; Susumu Fujikawa
- Web page: https://patentgrep.com/patent/US20110108049A1

## CPC

- A61K 8/19: containing inorganic ingredients
- A61K 8/20: Halogens; Compounds thereof
- A61K 8/23: Sulfur; Selenium; Tellurium; Compounds thereof
- A61K 8/66: Enzymes
- A61Q 5/02: Preparations for cleaning the hair
- A61Q 7/00: Preparations for affecting hair growth
- A61K 2800/22: Gas releasing
- 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)
- A61Q: SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS

## Abstract

A hair growth method includes repeatedly washing hair using a washing agent that includes a microbubble washing composition and microbubbles, the microbubble washing composition including a protease and a lipase. The hair growth method exhibits an excellent hair growth effect.

## Claims

### Claim 1

A hair growth method comprising repeatedly washing hair using a washing agent that includes a microbubble washing composition and microbubbles, the microbubble washing composition including a protease and a lipase.

### Claim 2 (depends on 1)

The hair growth method according to claim 1, wherein the microbubble washing composition includes the protease in an amount of 0.01 to 0.5 wt % based on the total amount of the microbubble washing composition, and includes the lipase in an amount of 0.1 to 1.0 wt % based on the total amount of the microbubble washing composition.

### Claim 3 (depends on 1, 2)

The hair growth method according to claim 1 or 2, wherein the microbubble washing composition does not include a surfactant.

### Claim 4 (depends on 1)

The hair growth method according to claim 1, wherein the microbubble washing composition further includes at least one alkali metal salt selected from the group consisting of alkali metal carbonates, alkali metal hydrogen carbonates, alkali metal sulfates, alkali halides, and alkali metal salts of boron.

### Claim 5 (depends on 4)

The hair growth method according to claim 4, wherein the microbubble washing composition includes the alkali metal salt in an amount of 80 to 99.5 wt % based on the total amount of the microbubble washing composition.

### Claim 6 (depends on 1)

The hair growth method according to claim 1, wherein the hair is washed 1 to 3 times a week.

### Claim 7 (depends on 1)

The hair growth method according to claim 1, further comprising applying a given amount of a hair growth agent or a hair tonic to the hair after washing the hair.