Patents

L’Oréal Patents Hair Contouring Device

It is composed of a contouring source to induce a conformation change of hydrogel formulation; and a fixing source to induce a photo-curing transition of the hydrogel formulation.

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By: TOM BRANNA

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Photo: Shutterstock/Oksy001

US Patent 12,178,895 B2 (David B. Kosecoff, San Francisco, CA (US); L’Oréal, Paris, France. A L’Oréal researcher patented a hair contouring device, composed of a contouring source, configured to generate contouring electromagnetic radiation within a first energy grange to induce a conformation change of hydrogel formulation; and a fixing source, configured to create curing electromagnetic radiation within a second energy range to induce a photo-curing transition of the hydrogel formulation. ...

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