| 摘要 |
PROBLEM TO BE SOLVED: To obtain a cosmetic for hair, having a good hair-setting force and a good hair set-retaining property and giving a non-stiff and flexible touch by adding an acetylated hyaluronic acid and an amphoteric polymer resin compound. SOLUTION: This cosmetic for hair contains (A) an acetylated hyaluronic acid preferably having a mol.wt. of 10,000-1,000,000 converted into hyaluronic acid and having repeating structure units of the formula [R1-R4 are each H or an esterified acetyl group; R5 is H or an alkali metal; (k) is >=2], and (B) an amphoteric polymer resin compound, preferably, such as a compound obtained by copolymerizing a dialkylaminoethyl acrylate, diacetoacrylamide, or the like, with acrylic acid, or the like, and then treating the prepared copolymer with a halogenated acetic acid into the amphoteric compound. In the cosmetic, the components A and B are preferably contained in amounts of 0.01-10 wt.% and 0.05-10 wt.%, respectively.
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