Detergent composition
The present invention relates to a liquid softening through the wash laundry detergent composition comprising: (a) at least 0.5% by weight of the composition, of a fabric softening silicone; and (b) a fatty acid; and (c) a surfactant system, the surfactant system comprising: (i) at least 75% by weight of the surfactant system, of a non-alkoxylated anionic surfactant; and (ii) less than 25% by weight of the surfactant system, of an alkoxylated surfactant; and (d) one or more laundry detergent adjunct ingredients.
1. A liquid softening through the wash laundry detergent composition comprising:
(a) at least 0.5% by weight of the composition, of a fabric softening silicone;
(b) a fatty acid;
(c) a surfactant system, the surfactant system comprising:
(i) at least 75% by weight of the surfactant system, of a non-alkoxylated anionic surfactant; and
(ii) less than 25% by weight of the surfactant system, of an alkoxylated surfactant;
(d) one or more laundry detergent adjunct ingredients; and
(e) a fabric-softening clay.
2. A liquid softening through the wash laundry detergent composition comprising:
(a) at least 0.5% by weight of the composition, of a fabric softening silicone; and
(b) a fatty acid; and
(c) a surfactant system, the surfactant system comprising:
(i) at least 75% by weight of the surfactant system, of a non-alkoxylated anionic surfactant; and
(ii) less than 25% by weight of the surfactant system, of an alkoxylated surfactant; and
(d) one or more laundry detergent adjunct ingredient, wherein the composition is at least partially enclosed, preferably completely enclosed, by a water-soluble material.
3. A composition according to claim 1 or 2 , wherein the surfactant system comprises less than 15% by weight of the surfactant system, of an alkoxylated surfactant.
4. A composition according to claim 1 or 2 , wherein the composition comprises more than 0.8% by weight of the composition, of a fabric softening silicone.
5. A composition according to claim 1 or 2 , wherein the ratio of the combined weight of the non-alkoxylated anionic surfactant and the fatty acid to the weight of the alkoxylated surfactant is greater than 3:1, preferably 5:1 or greater.
6. A composition according to claim 5 , wherein the ratio of the combined weight of the non-alkoxylated anionic surfactant and the fatty acid to the weight of the alkoxylated surfactant is from 10:1 to 20:1.
7. A composition according to claim 1 or 2 , wherein the fabric-softening silicone is in the form of an emulsion having a primary particle size of from 1 micrometer to less than 50 micrometers.
8. A composition according to claim 7 , wherein the emulsion has a primary particle size of from 1 micrometer to less than 5 micrometers.
9. A composition according to claim 1 or 2 , wherein the composition comprises less than 2% by weight of the composition, of an alkoxylated surfactant.
10. A composition according to claim 1 or 2 , wherein the weight ratio of non-alkoxylated anionic surfactant to alkoxylated surfactant is from 7:1 to 15:1.
11. A composition according to claim 1 or 2 , wherein the fabric-softening silicone is a polydimethyl siloxane.
12. A composition according to claim 1 or 2 , wherein the composition comprises from 10% to 50% by weight of the composition, of a surfactant system.
13. A composition according to claim 1 or 2 , wherein the non-alkoxylated anionic surfactant is an alkyl sulphate surfactant and/or an alkylbenzene sulphonate surfactant.
14. A composition according to claim 1 or 2 , wherein the alkoxylated surfactant is an alkoxylated non-ionic surfactant.
15. A composition according to claim 14 , wherein the alkoxylated non-ionic surfactant is an ethoxylated C 12-15 alcohol having an average degree of ethoxylation of from 5 to 9.
16. A composition according to claim 1 or 2 , wherein the composition comprises from 5% to 20% by weight of the composition, of fatty acid.
17. A composition according to claim 1 or 2 , wherein the fatty acid is a C12–18 substituted or unsubstituted fatty acid.
18. A composition according to claim 1 , wherein the composition comprises from 2% to 8% by weight of the composition, of a fabric-softening clay.
19. A composition according claim 18 , wherein the fabric-softening clay is a montmorillonite clay.
20. A composition according to claim 1 or 2 , wherein the composition comprises less than 10% by weight of the composition, of a fabric softening quaternary ammonium compound.
21. A method of enhancing the deposition of a silicone onto fabric during a laundering process, comprising adding the composition of claim 1 or 2 , during the laundering process, thereby enhancing the deposition of silicone.