Sulfate-Free Foamable Solid Cleanser Patented by Johnson & Johnson

US Patent No. 11,975,090 B2 (Donald L. Harper, Marcee Martinez, Shailendra Singh); Johnson & Johnson Consumer Inc. patented a solid cleansing product that is comprised of a first surfactant (isethionate) and a second surfactant (betaine) that are free of sulfate-containing materials, wherein the first surfactant weight amount and the second surfactant weight amount are approximately equal to each other, wherein the combined weight amount of the first surfactant and the second surfactant is about 16% to about 20% by weight of the solid cleansing product; and a first  and second buffering agent combined in which the weight amount is at least double the combined weight amount of the first surfactant and the second surfactant. The combined weight amount of the first and second surfactants and the first and second buffering agents is from about 60-70% by weight of the solid cleansing product.

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