04.08.22
US Patent No. 11,291,616 B2 (Debora W Chang, Eric Scott Johnson, Robert Wayne Glenn, Jr., Todd Ryan Thompson, Allison Lynn Edwards, Michelle Lynn Carter); The Procter and Gamble Company has patented a hair care composition that is comprised of 14-40% of one or more surfactants wherein one or more of the surfactants is an anionic surfactant or combinations of anionic surfactants having at least one anionic surfactant selected from the group consisting of sodium decyl sulfate, sodium deceth sulfate, sodium undecyl sulfate, and sodium undeceth sulfate (wherein a ratio of surfactants which are not anionic to surfactants that are anionic is less than or equal to about 0.2); and from 0.1-10% of one or more surfactant soluble antidandruff agents. The hair care composition is diluted with de-ionized water to 1.3% surfactant concentration has a ratio of surfactant diffusion coefficient to soluble agent diffusion coefficient of from 1.4-2.5 as measured by nuclear magnetic resonance spectroscopy (NMR).