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US 5,290,471 AGranted
Aqueous based personal washing cleanser
AssigneeLever Brothers Company, Division of Conopco, Inc.
InventorsAlan P. Greene, Barbara Y. McFarquhar, Rosa M. Paredes, Marianne E. Fenske, Frederick S. Osmer
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Abstract
An aqueous based personal washing product is disclosed which when used has good cleaning ability and is particularly mild to the skin. The liquid product, containing a selected blend of surfactants and emollients, including long chain fatty acids, free isethionate salts and acyl-isethionates is particularly adapted for facial washing.
Claims11
A liquid aqueous based skin cleansing composition consisting essentially of:
- i) 3% to 20% acyl esters of isethionic acid salts, said esters being predominantly C.sub.8 -C.sub.22 acyl isethionates;
- ii) 2% to 15% of at least one long chain fatty acid of 8 to 22 carbon atoms wherein the weight ratio of said acyl esters to fatty acid ranges from about 1:0.1 to about 1:10.
- iii) 2% to 20% of co-surfactant selected from the group consisting of alkyl ether sulfates, alkyl ether sulfonates, sarcosinates, sulfosuccinates, taurates, alkylbetaines, amidopropylbetaines, amidopropyl sultaines, alkylsulfonates, alkyl benzene sulfonates and mixtures thereof;
- and
- iv) 2% to 15% of a moisturizer component;
- and soap is present in an amount from 0 to 5% by weight of the composition said composition having a viscosity of about 100 to 100,000 cps.
3 more elements
A liquid aqueous based skin cleansing composition having a formulation consisting essentially of:
- ______________________________________ Ingredients % ______________________________________ long chain acylisethionate 3 to 20% at least one long chain fatty 2 to 15% acid of 8 to 22 carbon atoms Moisturizer 2 to 15% Sodium isethionate 1 to 8% Co-surfactant or mixture of 2 to 20% Co-surfactants Sodium soap 0 to 5% Preservative 0.1 to 1% Sequestrant 0.01 to 0.1% Miscellaneous additives 0.01 to 10% Structurant 0.01 to 1% Water to 100% ______________________________________
- said composition having a viscosity of about 100 cps to about 100,000 cps.
Dependencies are inferred from the claim text.