Adeka Corporation

Yasuhiro Tsushima

Hiroshi Suzuki

Takahiro Inoue

Takao Sakamoto

Yuki Takeishi

Makiko Yazawa

Shotan Yamashita

Kimiyoshi Namiwa

Kazuya Nakajima

Masaki Furuya

The present invention provides a method for producing a glyceryl ether-containing composition, the method including: a deodorization step for bringing a glyceryl ether-containing product selected from the group consisting of a monohexyl glyceryl ether-containing product, a monocyclohexyl glyceryl ether-containing product and a mixture thereof into contact with water vapor in an environment having a reduced pressure of 0.10 kPa or more and 10 kPa or less for 60 minutes or more and 600 minutes or less; and an addition step for adding 0.05 to 0.30 parts by mass of an antioxidant containing d-α-tocopherol to 100 parts by mass of the glyceryl ether-containing product, and also provides a glyceryl ether-containing composition containing specific amounts of a specific glyceryl ether and an antioxidant containing d-α-tocopherol.

Method for producing glyceryl ether-containing composition, and glyceryl ether-containing composition

A skin- or hair-cleansing composition including a component (A), which is an aqueous gelling agent represented by general formula (1) described in the specification, and a component (B), which is an anionic surfactant, wherein the component (A) presents a viscosity of an aqueous solution containing 1 mass % of at 25&#xb0; C. of 1,000 to 5,000 mPa&#xb7;s and a clouding point of the aqueous solution containing 1 mass % of component (A) of 60&#xb0; C. to 80&#xb0; C., and has a weight average molecular weight of 10,000 to 30,000; a method for producing the aqueous gelling agent and a method for producing the skin- or hair-cleansing composition are provided.

Skin- or hair-cleansing composition containing aqueous gelling agent, and methods for producing aqueous gelling agent and cleansing composition

A cosmetic composition including component (A), which is an aqueous gelling agent represented by general formula (1) described in the specification, and a component (B), which is a polymeric thickening agent, wherein the component (A) presents a viscosity of an aqueous solution containing 1 mass % of at 25&#xb0; C. of 1,000 to 5,000 mPa&#xb7;s and a clouding point of the aqueous solution containing 1 mass % of component (A) of 60&#xb0; C. to 80&#xb0; C., and has a weight average molecular weight of 10,000 to 30,000; a method for producing the aqueous gelling agent and a method for producing the cosmetic composition are provided.

Cosmetic composition containing aqueous gelling agent, and method for producing aqueous gelling agent and cosmetic composition

Provided is an antibacterial and antifungal composition, including: (A) at least one kind of 1,2-alkanediol having a linear alkyl group containing 6 to 8 carbon atoms; (B) at least one kind of monoalkyl glyceryl ether having a linear alkyl group containing 6 to 8 carbon atoms, a branched alkyl group containing 6 to 8 carbon atoms, or a cycloalkyl group containing 6 to 8 carbon atoms; and (C) at least one kind of aromatic alcohol represented by the following general formula (1): wherein n represents a natural number of from 1 to 4.

Antibacterial and antifungal composition

An antimicrobial composition containing: a component (A) that is at least one selected from the group consisting of 1,2-alkanediols having an alkyl group having 6 to 8 carbons and monoalkyl glyceryl ethers having an alkyl group having 6 to 8 carbons; and a component (B) that is at least one selected from the group consisting of tripropylene glycol, 2-methyl-1,3-propanediol, and 3-methyl-1,3-butanediol and a cosmetic containing the antimicrobial composition.

Antimicrobial composition and cosmetic containing antimicrobial composition

Provided is an aqueous gelling agent composition, including: compound (A) represented by the general formula (1); and compound (B) represented by the general formula (2), wherein a mass ratio of compound (A) to compound (B), (A): (B), is from 95:5 to 85:15: where R, R, R, R, R, R, R, and Reach independently represent a hydrocarbon group having 4 to 20 carbon atoms, R, R, R, R, and Reach independently represent a divalent hydrocarbon group having 2 to 4 carbon atoms, R, R, and Reach independently represent a divalent hydrocarbon group having 3 to 16 carbon atoms, a, e, j, and m each independently represent a number of 10 to 100, d represents a number of 100 to 500, and g represents a number of 1 to 10.

Aqueous gelling agent composition and cosmetics using same

A polyurethane polyurea having strong thickening and gelling effects, obtained by reacting a polyurethane polyurea prepolymer obtained from a silicone derivative starting material having a specific structure, a specific diisocyanate compound starting material and a starting material made up of a compound represented by General Formula (C) (each of which is set forth in the Description), with either or both of a nitrogen compound having a specific structure and a hydroxyl group-containing compound having a specific structure (each of which is set forth in the Description.

Polyurethane polyurea, method for providing same and cosmetic composition containing same

The present invention provides a skin cosmetic composition including a component (A) which is either one or both of hexyl glyceryl ether and cyclohexyl glyceryl ether, a component (B) which is either one or both of 1,2-propanediol and 1,3-propanediol, and a component (C) such as citric acid, an antibacterial agent including components (A), (B) and (C) and a method for enhancing an antibacterial effect of the component (A).

Skin cosmetic composition, antibacterial agent for skin cosmetic, and method for enhancing antibacterial effect of diol compound

A urethane polymer obtained by a reaction of: a monohydroxy compound (A), a polyethylene glycol (B), a monoglyceryl ether compound (C), and an isocyanate compound (D). This urethane polymer can be used as a urethane viscosity modifier excellent in long-term storage stability, similarly to alkali thickening-type viscosity modifiers, while having characteristics similar to those of existing urethane viscosity modifiers.

Urethane-type polymers and use thereof

The present invention relates to a gel-like composition for a cosmetic preparation including 0.05 part by mass to 3 parts by mass of a compound represented by the following general formula (1) with respect to 100 parts by mass of water, which is not destroyed by a change in pH or by the addition of a salt into the gel, and gives a feeling of use equivalent to that of a gel produced using an alkali thickening type gelling agent. where, Rand Reach represent an alkyl group having 28 to 36 carbon atoms, Rand Reach represent a hydrocarbon group having 4 to 13 carbon atoms, m and n each represent a number from 10 to 500, x represents a number from 1 to 1,000, and y represents a number from 0 to 10.

Gel-like composition for cosmetic preparations

A less malodorous alkanediol composition, a process for producing the alkanediol composition efficiently, and a cosmetic containing the alkanediol composition are provided. An alkanediol composition contains 0.005 parts by mass or less of ester compound per 100 parts by mass of alkanediol compound having four or more carbon atoms. An alkanediol composition contains 0.2 parts by mass or less of dioxane compound per 100 parts by mass of alkanediol compound having four or more carbon atoms. Furthermore, an ether-containing dihydric alcohol is preferably 0.3 parts by mass or less per 100 parts by mass of alkanediol compound.

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Tokyo, Japan

Yasuhiro Tsushima