| US 7,544,648 B2 | ||
| Hair shampoo composition | ||
| Hirokazu Sakai, Tokyo (Japan); and Yoshimasa Okamoto, Tokyo (Japan) | ||
| Assigned to Kao Corporation, Tokyo (Japan) | ||
| Filed on Apr. 16, 2004, as Appl. No. 10/825,315. | ||
| Claims priority of application No. 2003-112271 (JP), filed on Apr. 17, 2003. | ||
| Prior Publication US 2004/0235689 A1, Nov. 25, 2004 | ||
| Int. Cl. C11D 1/14 (2006.01); C11D 1/29 (2006.01); C11D 3/32 (2006.01); C11D 3/37 (2006.01) | ||
| U.S. Cl. 510—126 [510/127; 510/137; 510/159; 510/473; 510/501; 510/504; 424/70.24] | 3 Claims |
| 1. A hair shampoo composition comprising the following components (A) to (C):
(A): 0.5 to 2 wt. % of an amphipathic amide lipid of the formula
 (B): from 7 to 10 wt. % of sulfate surfactants which are each represented by the following formula (b):
R—O—(C2H4O)a—SO3M (b)
wherein, R represents a linear or branched alkyl or alkenyl group having from 8 to 18 carbon atoms, a stands for 0 or a positive
integer, and M represents an alkali metal, alkaline earth metal, ammonium, alkanolamine or basic amino group; are made of
from 30 to 45 wt. % of the sulfate exhibiting a=0, from 17 to 27 wt. % of the sulfate exhibiting a=1, from 10 to 20 wt. %
of the sulfate exhibiting a=2, and the balance of the sulfates exhibiting a=3 or greater; and contain the sulfates exhibiting
a=0 to 2 in an amount of 70 wt. % or greater based on the total sulfates; and
(C) 0.1 to 1 wt. % of a cationic polymer selected from the group consisting of cationic cellulose derivatives and cationic
guar gum derivatives, and mixtures thereof,
wherein said shampoo composition has a pH of from 3 to 4 at 25° C. when diluted to 20 times its weight with water.
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