Concentrated shampoo dosage of foam for providing hair care benefits comprising an anionic/zwitterionic surfactant mixture

A dosage of foam shampoo comprising a volume of from about 5 cm3 to about 150 cm3 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 0.0035 g to about 0.7 g of a particulate selected from the group consisting of zinc pyrithione, zinc carbonate, ethylene glycol distearate, mica, titanium dioxide, and combinations thereof;
• and
• c) from about 45 wt. % to about 78 wt. % water;
• wherein:
• 1) the foam has a foam density of from about 0.04 g/cm3 to about 0.23 g/cm3;
• and
• 2) the foam has a plurality of bubbles comprising a bubble size distribution having a Sauter mean radius R32 of from about 10 μm to about 60 μm as measured according to the Kruss Lather Analyzer Method.