Mild, structured, multi-phase personal cleansing compositions comprising density modifiers
A mild, multi-phase cleansing composition is described that includes a cleansing phase including a structured surfactant component has a first density; a benefit phase includes an emulsion, the benefit phase has a second density and a density modifier; wherein the first density differs from the second density by less than 0.15 g/cm 3 ; the structured surfactant component includes at least one surfactant and provides a Total Lather Volume of at least about 600 ml. The emulsion is either an oil in water or an oil in water emulsion.
1. A mild, multi-phase personal cleansing composition comprising:
(i) a cleansing phase comprising a structured surfactant component and water; said cleansing phase having a first density;
wherein said structured surfactant component comprises low density microspheres having a density of less than 0.7 g/cm 3 and at least one surfactant; and wherein said structured surfactant component provides a Total Lather Volume of at least 600 ml;
(ii) a benefit phase comprising an emulsion and optionally, high density particles having a density greater than 1.1 g/cm 3 ; said benefit phase having a second density;
wherein said first density differs from said second density by less than 0.15 g/cm 3 ; and
wherein the personal cleansing composition has a density of less than 0.97 g/cm 3 .
2. The mild, multi-phase personal cleansing composition according to claim 1 wherein said low density microsphere is selected from the group consisting of inorganic material, organic material and mixtures thereof.
3. The mild, multi-phase cleansing composition of claim 1 , wherein said structured surfactant component provides a Total Lather Volume of at least about 800 ml.
4. The mild, multi-phase cleansing composition of claim 1 , wherein said structured surfactant component provides a Yield Point of greater than about 0.5 Pascal.
5. The mild, multi-phase cleansing composition of claim 1 , comprising from about 1% to about 95%, by weight of the composition, of said structured surfactant component.
6. The mild, multi-phase cleansing composition of claim 1 , wherein said surfactant is selected from the group consisting of anionic surfactant, nonionic surfactant, zwitterionic surfactant, cationic surfactant, amphoteric surfactant, soap, and mixtures thereof.
7. The mild, multi-phase cleansing composition of claim 6 wherein said anionic surfactant is selected from the group consisting of alkyl ether sulfates, alkyl sulfonates and mixtures thereof.
8. The mild, multi-phase cleansing composition of claim 6 , wherein said amphoteric surfactant is selected from the group consisting of sodium lauroamphoacetate, sodium cocoamphoactetate, disodium lauroamphoacetate, and disodium cocodiamphoacetate, and mixtures thereof.
9. The mild, multi-phase cleansing composition of claim 6 , wherein said nonionic surfactant is selected from the group consisting of glyceryl monohydroxystearate, steareth-2, propylene glycol stearate, sorbitan monostearate, glyceryl stearate, laureth-2, and mixtures thereof.
10. The mild, multi-phase cleansing composition of claim 6 , comprising from about 0.1% to about 50%, by weight of said structured surfactant component, of said nonionic surfactant.
11. The mild, multi-phase cleansing composition of claim 10 , wherein said nonionic surfactant has an HLB of from about 1.5 to about 15.0.
12. The mild, multi-phase cleansing composition of claim 1 , wherein said composition comprises a structured domain wherein said structured domain is an opaque structured domain.
13. The mild, multi-phase cleansing composition of claim 12 , wherein said opaque structured domain is a lamellar phase.
14. The mild, multi-phase cleansing composition of claim 1 , wherein said composition is substantially free of an alkyl amines and an alkanolamides.
15. The mild, multi-phase cleansing composition of claim 1 , wherein said emulsion is a water in oil emulsion.
16. The mild, multi-phase cleansing composition of claim 1 , wherein said emulsion is an oil in water emulsion.
17. The mild, multi-phase cleansing composition of claim 1 , wherein the benefit phase comprises 20%-40% of a hydrophobic material.
18. The mild, multi-phase cleansing composition of claim 1 , wherein the benefit phase comprises at least 40% of a hydrophobic material.
19. A mild, multi-phase personal cleansing composition comprising:
(i) a cleansing phase comprising a structured surfactant component and water; said cleansing phase having a first density;
wherein said structured surfactant component comprises low density microspheres having a density of less than 0.7 g/cm 3 and at least one surfactant;
(ii) a benefit phase comprising an emulsion; said benefit phase having a second density;
wherein the benefit phase comprises at least 20% of a hydrophobic material and
optionally, high density particles having a density greater than 1.1 g/cm 3 ;
wherein said first density differs from said second density by less than 0.06 g/cm 3 ; and
wherein the personal cleansing composition has a density of less than 0.90 g/cm 3 .
20. A mild, multi-phase personal cleansing composition of claim 17 , wherein said structured surfactant component provides a Total Lather Volume of at least 800 ml.