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

  • US 10,653,590 B2
  • Filed: 10/20/2017
  • Issued: 05/19/2020
  • Est. Priority Date: 10/21/2016
  • Status: Active Grant
First Claim
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1. 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 μ

    m to about 60 μ

    m as measured according to the Kruss Lather Analyzer Method.

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