Conopco, Inc.

Unilever Plc

Unilever, N.v.

Unilever IP Holdings B.v.

Unilever Global IP Limited

Stephen Paul Maguire

Geraldine Bridget Griffith

Joseca Santos Alincastre

Shona Elizabeth Simmons

Deborah Kirsten Lunt

Scott Robson

Gita Coenen

A method for assessing the state of hair by releasably engaging a first end () of hair fibres () with a holder () so that an opposite, second end () of said hair fibres () hangs free and applying sufficient force to the first end () of the hair fibres () such that the hair fibres () at the second end () are pulled across the holder (), wherein the force is in an upwards direction and applied by action of an encapsulated gas having a density of less than that of air ().

Method of assessing hair

A method is disclosed for demonstrating the cleansing efficacy of a personal care product or a component thereof, the method comprising: (i) selecting a first portion of a porous article capable of allowing a gas to pass through its pores, wherein the porous article is connected to a source of said gas and immersed in a liquid while the source releases said gas which flows out of said pores to generate gas bubbles; (ii) treating the first portion of the porous article with contaminants; (iii) treating the first portion of the porous article with the personal care product or the component thereof, wherein a second portion of the porous article is selected in step (i); the second portion is also treated with contaminants in step (ii); and the second portion is treated with a comparative or placebo product in step (iii); and wherein following step (iii) the method comprises a step (iv) of assessing a change of the treated first portion relative to untreated article and/or relative to the treated second portion, the change is the amount of gas bubbles released from the porous article.

Method for demonstrating cleansing efficacy

Growing community of inventors

Liverpool, United Kingdom

Stephen Paul Maguire