08.31.23
US Patent No. 11,737,965 B2 (Edward Dewey Smith, Shawn David McConaughy, Jianjun Justin Li, Marc Adam Flickinger); The Procter & Gamble Company has patented a rinse-off cleansing composition that contains a branched anionic surfactant selected from the group consisting of sodium trideceth-2 sulfate, sodium trideceth-3 sulfate, sodium laureth-1 sulfate, sodium laureth-2 sulfate, sodium laureth-3 sulfate, or a combination thereof; a zwitterionic co-surfactant; perfume; dipropylene glycol; and water. The formulation contains a gel structurant comprising a lamellar phase and a G′ at 1 Hz of about 25 Pa to about 3000 Pa; wherein at least a portion of the composition spontaneously becomes a microemulsion comprising a portion of the perfume upon dilution with water.