Concentrated personal cleansing compositions

1. A cleansing composition, consisting of:

a) from about 25% to about 45%, by weight of the composition, of a first surfactant comprising a branched anionic surfactant;

b) from about 5% to about 10%, by weight of the composition, of a zwitterionic cosurfactant;

c) from about 4% to about 15%, by weight of the composition, of a perfume;

d) from about 6% to about 20%, by weight of the composition, of dipropylene glycol;

e) optionally from about 0.1% to about 5% of a preservative, thickener, hydrophobic oil, additive, soap, pH modifier, or a combination thereof;

f) from about 25% to about 45%, by weight of the composition, of water;

g) optionally an additional hydric solvent, an additional surfactant, solvent, dye, acid, sodium chloride, or a combination thereof;

wherein the composition comprises lamellar structures comprising at least a portion of the branched anionic surfactant;

wherein the rinse-off cleansing composition is not a ringing gel and is free of an electrolyte;

wherein the composition comprises a lather volume of more than 300 mL according to the Cylinder Method;

wherein at least a portion of the composition spontaneously becomes a microemulsion upon dilution with water of about 3:1 by weight (water:composition) to about 10:1 by weight (water:composition).

2. The rinse-off cleansing composition of claim 1 , wherein the surfactant comprises from about 35% to about 40%, by weight of the composition, of the first surfactant.

3. The rinse-off cleansing composition of claim 1 , wherein the zwitterionic cosurfactant comprises a betaine, an alkyl amidopropyl betaine, a cocamidopropyl betaine, or a combination thereof.

4. The rinse-off cleansing composition of claim 1 , wherein the composition comprises from about 8% to about 15%, by weight of the composition, of the perfume.

5. The rinse-off cleansing composition of claim 1 , wherein the perfume has from about 5% to about 30%, by weight of the perfume, of perfume raw materials with a Kovats index from about 1100 to about 1700.

6. The rinse-off cleansing composition of claim 1 , wherein the composition has from about 8% to about 16%, by weight of the composition, of the dipropylene glycol.

7. The rinse-off cleansing composition of claim 1 , wherein the composition has a G′ at 1 Hz of about 50 Pa to about 2500 Pa, a G″ at 1 Hz of about 20 Pa to about 250 Pa, or a combination thereof.

8. The rinse-off cleansing composition of claim 1 , wherein the composition is not a ringing gel.

9. The rinse-off cleansing composition of claim 1 , wherein the rinse-off cleansing composition has a G′ at about 1 Hz of about 25 Pa to about 3000 Pa.

10. A rinse-off cleansing composition, consisting of:

a) from about 35% to about 40%, by weight of the composition, of sodium trideceth-2 sulfate;

b) from about 5% to about 8%, by weight of the composition, of a zwitterionic cosurfactant

c) from about 6% to about 8%, by weight of the composition, of a perfume;

d) from about 10% to about 14%, by weight of the composition, of dipropylene glycol;

e) from about 25% to about 45%, by weight of the composition, of water;

f) optionally from about 0.1% to about 5% of a preservative, thickener, hydrophobic oil, additive, soap, pH modifier, or a combination thereof;

g) optionally an additional hydric solvent, an additional surfactant, solvent, dye, acid, sodium chloride, or a combination thereof;

wherein the composition comprises lamellar structures comprising at least a portion of the sodium trideceth-2 sulfate;

wherein at least a portion of the composition spontaneously becomes a microemulsion upon dilution with water of about 3:1 by weight (water:composition) to about 10:1 by weight (water:composition).

11. The composition of claim 10 , wherein the composition comprises about 14%, by weight of the composition, dipropylene glycol.

12. The composition of claim 10 , wherein the composition comprises about 8%, by weight of the composition, perfume.