Compositions – Fluent dielectric – N-containing
Patent
1994-07-08
1996-06-11
Therkorn, Linda Skaling
Compositions
Fluent dielectric
N-containing
252552, 25217421, 252DIG5, 252DIG13, 252DIG14, 424 701, 424 7013, A61K 706
Patent
active
055252630
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The subject of the present invention is a hair and body cleaning composition based on a combination of a mixture of certain surfactants with certain nitrogen-free thickeners which is distinguished in that it is tolerated particularly well by skin.
Hair and body cleaning compositions contain surfactants as the principle ingredient. These surfactants are subject to a number of requirements. On the one hand, these surfactants must have a good foam forming capacity and a good cleaning action. On the other hand, they must be well tolerated by the eyes, skin and mucous membranes and be biodegradable.
A number of attempts have already been made to provide hair and body cleaning compositions which possess a good cleaning action and which are also well tolerated by the skin.
None of the hair and body cleaning compositions made available to date have fully satisfied all of the requirements mentioned above.
SUMMARY OF THE INVENTION
Therefore, it is an object of the present invention to provide a hair and body cleaning composition in which a good cleaning action is combined with excellent compatibility with skin.
In this regard, an outstanding solution to this problem has now been found in a composition containing a combination of an alkyl ether sulfate and an ethoxylated sulfosuccinic acid hemiester, a third surfactant which is selected from alkyl ether carboxylates and alkyl polyglycosides, and a nitrogen-free thickener.
According to the present invention the hair and body cleaning composition contains alkaline-earth metal salt of a C.sub.10 - to C.sub.18 -alkyl ether sulfate ethoxylated with 1 to 10 units of ethylene oxide, acid hemiester conforming to the general formula ##STR1## where R.sup.1 represents a C.sub.10 - to C.sub.18 -alkyl group, M represents an alkali metal cation or alkaline-earth metal cation and m is a whole number from 1 to 10, represents an alkali metal cation or alkaline-earth metal cation and n is a whole number from 1 to 20, and/or ##STR2## where R.sup.3 represents a linear or branched, saturated or unsaturated C.sub.8 - to C.sub.18 -alkyl group, preferably a C.sub.10 -alkyl group, and o is a whole number from 1 to 5, preferably from 1 to 3, conforming to the general formula ##STR3## where R.sup.4 is a C.sub.11 - to C.sub.20 -alkyl group, preferably a C.sub.17 -alkyl group, and the sum of x and y is 50 to 200, preferably 120, ##STR4## where R.sup.5 represents a C.sub.11 - to C.sub.20 -alkyl group, preferably a C.sub.17 -alkyl group, and z is a whole number between 70 and 200, and/or of fatty acid of the general formula ##STR5## where R.sup.6 is a C.sub.11 - to C.sub.20 -alkyl group and p is a whole number from 100 to 300 and b) at least one polyethylene glycol ether of a partial glyceride of fatty acid conforming to the general formula (VI), where R.sup.6 is a C.sub.11 - to C.sub.20 -alkyl group and p is a whole number from 5 to 10, and the composition contains no additional surfactants other than components (A), (B) and (C).
In the present Application, alkyl group refers to linear, branched, saturated or unsaturated alkyl groups.
The hair and body cleaning composition according to the invention is clearly better tolerated by skin than known hair and body cleaning compositions while retaining comparable washing and cleaning characteristics.
The composition according to the invention preferably contains 4 to 10 percent by weight of component (A), 2 to 8 percent by weight of component (B) and 1 to 6 percent by weight of component (C). The weight ratio of component (A) to component (B) and component (A) to component (C) in the composition according to the invention is preferably 1:0.1 to 1:1. The weight ratio of component (A) to component (D) in the composition according to the invention is preferably 1:0.1 to 1:0.8.
The surfactant mixture of components (A), (B) and (C) is preferably contained in the composition according to the invention in quantities of 12 to 30 percent by weight.
The alkyl ether sulfate of component (A) is preferably ethoxylated with 5 units of
REFERENCES:
patent: 4759875 (1988-07-01), Hart
patent: 5015414 (1991-04-01), Kamesai et al.
Abstract: C87-099177/14; "Liquid detergent comps. having, stable liquid phase"; J62048796.
Bimczok Rudolf
Grohe Viola
Stiehm Thomas
Ogden Necholus
Striker Michael J.
Therkorn Linda Skaling
Wella Aktiengesellschaft
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