The Procter Gamble Company

Los Alamos National Security, LLC

Noxell Corporation

E Bruce Orler

Richard Matthew Charles Sutton

Bruce Carvell Lamartine

Shuangqi Song

Hair was coated with polymer-containing fluid and then hot pressed to form a composite of hair and a polymer film imprinted with a nanopattern. Polychromatic light incident on the nanopattern is diffracted into dispersed colored light.

Hair treatment device for providing dispersed colors by light diffraction

A hair treatment process for providing dispersed colors by light diffraction including (a) coating the hair with a material comprising a polymer, (b) pressing the hair with a pressing device including one or more surfaces, and (c) forming a secondary nanostructured surface pattern on the hair that is complementary to the primary nanostructured surface pattern on the one or more surfaces of the pressing device. The secondary nanostructured surface pattern diffracts light into dispersed colors that are visible on the hair. The section of the hair is pressed with the pressing device for from about 1 to 55 seconds. The polymer has a glass transition temperature from about 55&#xb0; C. to about 90&#xb0; C. The one or more surfaces include a primary nanostructured surface pattern.

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Blacksburg, VA, United States of America

E Bruce Orler