JP2009298743A5 - - Google Patents

Claims (6)

An aqueous hair cleanser containing 5 to 30% by mass of an alkyl ether sulfate represented by the general formula (1).
RO- (PO) _m (EO) _n SO ₃ M (1)
[In the formula, R represents an alkyl group having an average carbon number of 8 to 24, PO represents a propyleneoxy group, m represents an average PO addition mole number in the range of 0 <m <1, EO represents an ethyleneoxy group, n represents an EO average addition mole number in a range of 0 <n ≦ 2.3, and M represents a cation. ] The aqueous hair cleansing agent according to claim 1, wherein the alkyl ether sulfate is produced by a process comprising steps (I) to (III).
Step (I): Step of adding propylene oxide in an average range of more than 0 mol and less than 1 mol to 1 mol of alkanol having an alkyl group having an average carbon number of 8 to 24 Step (II): obtained in step (I) Step of adding ethylene oxide in an average range of more than 0 moles to 2.3 moles or less per mole of the propylene oxide adduct obtained Step (III): Sulphating the alkoxylate obtained in Step (II) and then neutralizing Process The aqueous hair cleanser according to claim 1 or 2 , further comprising a cationic polymer. Furthermore, the aqueous hair cleansing agent in any one of Claims 1-3 containing silicones. Furthermore, the aqueous hair cleansing agent in any one of Claims 1-4 containing 0.01-5 mass% of organic acids. The aqueous hair cleanser according to any one of claims 1 to 5, which has a pH of 2 to 6 at 25 ° C when diluted 20 times by mass with water.