The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 14, 2026

Filed:

Oct. 28, 2020
Applicant:

L'oreal, Paris, FR;

Inventors:

Sandy Lapize, Saint-Ouen, FR;

Melissa Champeaux, Saint-Ouen, FR;

Diana Hejjaoui, Clichy, FR;

Assignee:

L'OREAL, Paris, FR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A45D 2/36 (2006.01); A45D 1/00 (2006.01); A45D 7/06 (2006.01);
U.S. Cl.
CPC ...
A45D 7/06 (2013.01); A45D 2/365 (2013.01); A45D 2001/008 (2013.01);
Abstract

A method for treating the hair with the aid of a treatment device, notably a heat treatment device, in particular a straightening device, in which a lock of hair is exposed, while the device is being moved along the latter, in a single operation to: apply cosmetic composition with the aid of an application member of the device, and then to apply steam with the aid of a steam outlet of the device that is offset relative to the application member in the direction of movement of the lock of hair by a nonzero distance v, measured between the median plane of the steam outlet and the median plane of the application member, of less than or equal to 10 mm.


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