Kao Corporation

Ryosuke Fujii

Naoyuki Yamazaki

Tomoko Uchiyama

Eisuke Miyoshi

Yumi Yamaguchi

Yasuhiro Doi

Yoshinori Tamura

Hiromoto Mizushima

Masaki Shimizu

Naoko Yamamoto

Masanori Takai

Satomi Nakazono

Masaki Matsubara

Rie Tanaka

The present invention relates to an organopolysiloxane graft polymer including an organopolysiloxane segment as a main chain thereof and an unsaturated monomer-derived copolymer segment containing a repeating unit derived from an unsaturated monomer containing a carboxylic acid or a carboxylic acid salt as a side chain thereof, in which a content of the organopolysiloxane segment in the organopolysiloxane graft polymer is 35 to 59% by mass, a content of the repeating unit derived from the unsaturated monomer containing a carboxylic acid or a carboxylic acid salt in the organopolysiloxane graft polymer is 4 to 17% by mass, and a content of a repeating unit derived from an unsaturated monomer whose homopolymer has a glass transition point of not lower than 150&#xb0; C. (except for the unsaturated monomer containing a carboxylic acid or a carboxylic acid salt) in the organopolysiloxane graft polymer is not more than 14% by mass, and a number-average molecular weight of the organopolysiloxane segment is not less than 8,000 and not more than 200,000.

Organopolysiloxane graft polymer

Provided is a cleansing composition for skin or hair capable of bringing about a good rinse feel and durability of foam and, in regard to hair, imparting finger combability during rinsing as well as softness to hair during rinsing and after towel drying, and further, imparting a sufficient moist feeling also to skin after application. A cleansing composition for skin or hair, comprising the following (A) and (B): (A) an internal olefin sulfonate having 12 or more and 24 or less carbon atoms; and (B) a cationic polymer or an amphoteric polymer.

Cleansing composition for skin or hair

Provided is a cationic group-containing cellulose which, when incorporated in a hair wash composition, is able to give an excellent smootheness feeling and its sustained feeling in rinsing and give a good coat feeling, and which, when incorporated in a skin cleanser composition, is able to give an excellent moist feeling to the skin after washing and drying, and also provided are a surfactant composition, a hair wash composition, a skin cleanser composition, a hair conditioner composition and a hair treatment composition containing the cellulose ether. [1] A cationic group-containing cellulose ether, which has a main chain derived from an anhydroglucose, and in which the degree of substitution with a cationized oxyalkylene group per the anhydroglucose unit is from 0.01 to 1.0, the degree of substitution with a glycerol group is from 0.5 to 5.0, and the degree of substitution with a group that contains a branched hydrocarbon group having from 8 to 18 carbon atoms and has a specific structure is from 0.001 to 0.2; [2] a surfactant composition containing the cationic group-containing cellulose ether, a surfactant and water; [3] a hair wash composition, a skin cleanser composition, a hair conditioner composition and a hair treatment composition containing the cationic group-containing cellulose ether, a surfactant and water.

Cationic group-containing cellulose ether

A cationized glycerolated cellulose which, when blended in a hair cosmetic, is able to impart excellent smoothness and its long-lasting feeling at the time of rinsing and to impart a moist feeling and softness to the hair after drying and, when blended in a skin cleanser, is able to impart an excellent moisturizing feeling after drying; a surfactant composition containing the same; and a hair cosmetic composition and a skin cleanser composition each containing the surfactant composition, are provided. [1] A cationized glycerolated cellulose having a specified structure, which has a main chain derived from an anhydroglucose, wherein a degree of substitution of a cationized alkylene oxy group per the anhydroglucose unit is from 0.01 to 0.18, and a degree of substitution of a glycerol group per the anhydroglucose unit is from 0.5. to 5.0; [2] a surfactant composition containing the above-described cationized glycerolated cellulose, a surfactant, and water; [3] a use of the above-described surfactant composition as a hair cosmetic composition and a skin cleanser composition; and [4] a hair cosmetic composition and a skin cleanser composition each containing the above-described cationized glycerolated cellulose, a surfactant, and water, are disclosed.

Cationized glycerolated cellulose

Provided is a cationic group-containing cellulose ether which, when incorporated in a hair wash, is able to give an excellent smoothness property and its sustained feeling, finger combability and coated feeling in rinsing, and which, when incorporated in a skin cleanser, is able to give an excellent moist feeling to the skin after washing, and also provided are a surfactant composition, a hair wash composition, a skin cleanser composition, a hair conditioner composition and a hair treatment composition containing the cationic group-containing cellulose ether.

Cellulose ether containing cationic group

The present invention relates to a skin cleanser composition capable of providing an excellent frictional resistance feeling during rinsing and capable of giving an excellent silky feeling with moisturization to the skin after drying, and to a method for producing the composition. The skin cleanser composition contains a cat ionized hydroxypropyl cellulose (A) and a surfactant (B), and the cationized hydroxypropyl cellulose (A) has an anhydroglucose-derived main chain, and has a degree of substitution with cationized ethyleneoxy group of from 0.01 to 3.0 and a degree of substitution with propyleneoxy group of from 0.01 to 2.9.

Skin cleanser composition

A skin cleansing composition contains the following ingredients (A), (B) and (C):

Skin cleansing compositions

Provided is a detergent composition having components (A) and (B): (A) a phosphate monoester (1), and (B) a phosphate monoester (2), wherein n=1; components (A), (B) and (B): (A) a phosphate monoester (1), (B) a phosphate monoester (2), wherein n=1, and (B) a phosphate monoester (2), wherein n=2; components (A), (B) and (B): (A) a phosphate monoester (1), (B) a phosphate monoester (2) wherein n=1, and (B) a phosphate monoester (2), wherein n=2; components (A) and (C): (A) a phosphate monoester (1), and (C) a phosphate monoester (3); or a phosphate-based surfactant produced by reacting a compound obtained by adding to an alcohol an alkylene oxide of 2 to 4 carbon atoms, with phosphoric acid, a polyphosphoric acid or PO:  The detergent composition is mild to the skin, is high in versatility, and has a good foaming property in weak acidic water or in hard water.

Detergent composition comprising a sub-stoichiometric alkoxylated phosphate ester

Provided is a detergent composition having components (A) and (B): (A) a phosphate monoester (1), and (B) a phosphate monoester (2), wherein n=1; components (A), (B) and (B): (A) a phosphate monoester (1), (B) a phosphate monoester (2), wherein n=1, and (B) a phosphate monoester (2), wherein n=2; components (A), (B) and (B): (A) a phosphate monoester (1), (B) a phosphate monoester (2), wherein n=1, and (B) a phosphate monoester (2), wherein n=2; components (A) and (C): (A) a phosphate monoester (1), and (C) a phosphate monoester (3); or a phosphate-based surfactant produced by reacting a compound obtained by adding to an alcohol an alkylene oxide of 2 to 4 carbon atoms, with phosphoric acid, a polyphosphoric acid or PO:  The detergent composition is mild to the skin, is high in versatility, and has a good foaming property in weak acidic water or in hard water.

Growing community of inventors

Wakayama, Japan

Ryosuke Fujii