Kao Corporation

Yoshitaka Yano

Shigeto Kayane

Yasuteru Eguchi

Takuya Saito

Hidetake Fujinaka

Takahisa Yamashiro

Mitsuyoshi Kashiwagi

Shinji Kiji

Mika Nagayama

Misato Honda

Keiko Masuki

Provided is an oral composition that can sufficiently remove protein staining present on a tooth surface, can effectively prevent adhesion of protein staining on a tooth surface and can provide a good actual feeling of the cleaning effect in the oral cavity. The oral composition comprises the following components (A) and (B): (A) an N-acylamino acid or a salt thereof in an amount of 0.005 mass % or more and 0.3 mass % or less; and (B) pyrophosphoric acid or a salt thereof in an amount of 0.005 mass % or more and 0.5 mass % or less, in which a mass ratio ((B)/(A)) of the component (B) to the component (A) is 0.05 or more and 40 or less and a total content of the component (A) and the component (B) is 0.01 mass % or more and 0.6 mass % or less.

Oral composition

The present invention relates to a liquid composition for the oral cavity, which contains the following components (A), (B), (C) and (D): The present invention also pertains to a liquid composition for the oral cavity, which contains the following components (A), (B), (E) and (F): The liquid composition for the oral cavity according to the present invention is excellent in the adsorption of the bactericide to teeth and the like, barely causes unpleasant odor, and is excellent in stability.

Liquid compositions for the oral cavity

The present invention relates to a solid preparation for oral hygiene, which comprises (a) 15 to 90 wt. % of a bubbling component and (b) 0.001 to 10 wt. % of an orally-usable medicinal component at an (a):(b) ratio ranging from 10:1 to 1000:1. Use of the preparation brings about a drastic improvement in the drug efficacy and moreover, breath is freshened by bubbling.

Solid preparation for oral hygiene

Growing community of inventors

Tokyo, Japan

Yoshitaka Yano