COMPOSITION COSMÉTIQUE CAPILLAIRE CONTENANT UN AGENT GÉLIFIANT AQUEUX, ET PROCÉDÉS DE FABRICATION D'AGENT GÉLIFIANT AQUEUX ET DE COMPOSITION COSMÉTIQUE CAPILLAIRE
The present invention has an object to provide a hair cosmetic composition which exhibits flow properties suitable for a hair cosmetic, has high temperature stability in terms of the viscosity thereof, and imparts a favorable texture to hair when applied thereto. In order to achieve such an object, provided is a hair cosmetic composition including a component (A), which is an aqueous gelling agent represented by the general formula (1) below, and component (B), which includes either one of or both of a cationic surfactant and a cationic polymer, wherein the component (A) presents a viscosity of an aqueous solution containing 1 mass% of at 25°C of 1,000 to 5,000 mPa·s and a clouding point of the aqueous solution containing 1 mass% of component (A) of 60°C to 80°C, and has a weight average molecular weight of 10,000 to 30,000. Also provided are a method for producing the aqueous gelling agent and a method for producing the hair cosmetic composition.In the formula, R1, R2, R8 and R9 each independently denote a hydrocarbon group having 4 to 20 carbon atoms, R3, R5 and R7 each denote represent a divalent hydrocarbon group having 2 to 4 carbon atoms, R4 and R6 each independently denote a divalent hydrocarbon group having 3 to 16 carbon atoms, a and e each independently denote a number from 10 to 100, d denotes a number from 100 to 500, and g denotes a number from 0 to 10.
