Unilever Home and Personal Care Usa, Division of Conopco, Inc.

Chesebrough-pond's USA Co., Division of Conopco, Inc.

David Howard Birtwistle

Stephen Lee Wire

Andrew Malcolm Murray

Wolfgang Robert Bergmann

Keith Leslie Rutherford

Robert George Riley

Cheryl Anne Taylor

Elena Maria Gabriella Barbuzzi

This invention relates to an aqueous conditioner composition comprising (i) a cationic surfactant, (ii) a fatty alcohol material, and (iii) from 0.01 to 10 wt % coated particles comprising (a) a solid core having a D3,2 average particle size in the range from 10 to 700 nm, and (b) a coating of silicone polymer covalently bonded to the solid core. Use of the coated particles in a conditioner composition to impart body to the hair is also disclosed.

Hair treatment compositions

A hair treatment composition which comprises 0.01-5.0 wt % of a particulate substance which is substantially unagglomerated or unaggregated prior to incorporation in the composition, which particulate substance has a modal primary particle size of 7-40 nm, and a Youngs modulus of at least 4 Gpa, preferably at least 6 GPa.

Hair treatment compositions which can generate style benefits while giving good conditioning comprise a non-rigid, emulsion polymerised cross-linked silicone conditioning polymer having from about 0.05% to about 10% branched monomer units.

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Bangkok, Thailand

David Howard Birtwistle