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    • 68. 发明申请
    • CLEANSING COMPOSITION
    • US20220233427A1
    • 2022-07-28
    • US17618138
    • 2020-06-16
    • Conopco, Inc., d/b/a UNILEVER
    • Robert MACHENArash Mojaher MOGHADAMJoseph MUSCATRobert George RILEYPierre STARCK
    • A61K8/891A61K8/06A61K8/73A61K8/44A61K8/46A61Q5/02
    • An aqueous, sulphate free shampoo composition for hair and scalp comprising:—a. a pre-formed emulsified silicone; b. a cationic deposition polymer; c. a hair substantive cationic conditioning polymer which is an APTAC polymer having a molecular weight of less than 1 million Daltons, preferably selected from a homopolymer of (3-acrylamidopropyl) trimethyl ammonium chloride and a (3-acrylamidopropyl) trimethyl ammonium chloride/acrylamide copolymer; d. a total amount of anionic surfactant, amphoteric surfactant and zwitterionic surfactant consisting of: (i) from 3 wt % to 13 wt %, by weight of the total composition at 100% activity, of an alpha olefin sulfonate anionic surfactant of general formula (I): R1—CH═CH—CH2—SO3−M+(I) in which R1 is selected from linear or branched alkyl groups having from 11 to 13 carbon atoms and mixtures thereof; and M is a solubilizing cation; (ii) from 1 to 6%, by weight of an amphoteric or zwitterionic surfactant, selected from an alkyl betaine of general formula (II) R2—N+(CH3)2—CH2—COO−M+(II) wherein R2=C12 (Lauryl) or Coco derived; an alkyl hydroxy sultaine of general formula (III), R3—N+(CH3)2—CH2—CH(OH)—CH2—SO3M+(III) wherein R3=C12 (Lauryl) or Coco derived; an alkyl aminopropyl hydroxy sultaine of general formula (IV), R4—CO—NH—(CH2)3—N+(CH3)2—CH2—CH(OH)—CH2—SO3−M+(IV) wherein R4=C12 (Lauryl) or Coco derived; an alkyl amphoacetate of general formula (V), R5—CO—NH—(CH2)2—N(CH2—CH2—OH)(CH2—COO−M+) (V) wherein R5=C12 (Lauryl) or Coco derived; and mixtures thereof; and e. a suspending agent in which the weight ratio of (i) to (ii) ranges from 1:1 to 6:1 and the pH of the composition is from 3 to 6.5; and wherein the composition has a viscosity from 3,500 to 15,000 mPa·s, preferably from 4,000 to 12,000 mPa·s when measured using a Brookfield V2 viscometer using a spindle RTV5, for 1 minute at 20 rpm at 30° C. results in superior deposition and retention of silicone on hair.