Dosage of foam comprising an anionic/zwitterionic surfactant mixture
Described herein is a dosage of foam including from about 7.5 cm 3 to about 70 cm 3 of the foam. The foam includes (a) from about 0.5 g to about 4 g of a detersive surfactant; (b) from about 0.001 g to about 4 g propellant; (c) a foam density of from about 0.05 g/cm 3 to about 0.35 g/cm 3 ; (d) a bubble size distribution having an R 32 of from about 5 μm to about 100 μm; and (e) a β value of from about 0.0075 g/cm 3 to about 0.1575 g/cm 3 .
1. A dosage of foam comprising a volume of from about 7.5 cm 3 to about 70 cm 3 of the foam, wherein the foam comprises:
a) a detersive surfactant system comprising:
i) from about 15 wt. % to about 30 wt. % anionic surfactant selected from the group consisting of sodium undecyl sulfate, sodium laureth sulfate, sodium lauroyl isethionate, sodium cocoyl isethionate, sodium laurethsulfosuccinate, sodium laurylsulfosuccinate, and mixtures thereof:
ii) from about 2 wt. % to about 12 wt % zwitterionic surfactant selected from the group consisting of lauramidopropyl betaine, cocoamidopropyl betaine, lauryl hydroxysultaine, and mixtures thereof;
b) from about 0.00005 g to about 0.25 g of a cationic deposition polymer by weight of the foam; and
c) from about 45 wt. % to about 78 wt. % water; wherein:
1) the foam has a foam density of from about 0.05 g/cm 3 to about 0.35 g/cm 3 ;
2) the foam has a plurality of bubbles comprising a bubble size distribution having a Sauter mean radius R32 of from about 5 μm to about 100 μm; and
3) the foam has a β value of from about 0.0075 g/cm 3 to about 0.1575 g/cm 3 .
2. The dosage of foam of claim 1 , wherein the β value is from about 0.0127 g/cm 3 to about 0.1575 g/cm 3 .
3. The dosage of foam of claim 1 , wherein the β value is from about 0.0200 g/cm 3 to about 0.1575 g/cm 3 .
4. The dosage of foam of claim 1 , wherein the β value is from about 0.0300 g/cm 3 to about 0.1575 g/cm 3 .
5. The dosage of foam of claim 1 , wherein the β value is from about 0.0300 g/cm 3 to about 0.1100 g/cm 3 .
6. The dosage of foam of claim 1 , wherein the β value is from about 0.0300 g/cm 3 to about 0.0700 g/cm 3 .
7. The dosage of foam of claim 1 , wherein the plurality of bubbles comprises a bubble size distribution having a Sauter mean radius R 32 of from about 10 μm to about 60 μm.
8. The dosage of foam of claim 1 , wherein the plurality of bubbles comprises a bubble size distribution having a Sauter mean radius comprises an R 32 of from about 20 μm to about 50 μm.
9. The dosage of foam of claim 1 , wherein the volume of the dosage of foam is from about 10 g/cm 3 to about 70 g/cm 3 .
10. The dosage of foam of claim 1 , wherein the volume of the dosage of foam is from about 20 g/cm 3 to about 70 g/cm 3 .
11. The dosage of foam of claim 1 , wherein the volume of the dosage of foam is from about 7.5 g/cm 3 to about 45 g/cm 3 .
12. The dosage of foam of claim 1 , wherein the volume of the dosage of foam is from about 10 g/cm 3 to about 45 g/cm 3 .
13. The dosage of foam of claim 1 , wherein the foam density is from about from about 0.055 g/cm 3 to about 0.35 g/cm 3 .
14. The dosage of foam of claim 1 , wherein the foam density is from about 0.125 g/cm 3 to about 0.35 g/cm 3 .
15. The dosage of foam of claim 1 , wherein the foam density is from about 0.125 g/cm 3 to about 0.275 g/cm 3 .
16. The dosage of foam of claim 1 , wherein the foam density is from about 0.125 g/cm 3 to about 0.25 g/cm 3 .
17. The dosage of foam of claim 1 , wherein the dosage of foam comprises from about 0.5 g to about 3 g of the surfactant system by weight of the foam.
18. The dosage of foam of claim 1 , wherein the dosage of foam comprises from about 0.75 g to about 1.75 g of the surfactant system by weight of the foam.