Patent 7597495 was granted and assigned to L'Oréal on October, 2009 by the United States Patent and Trademark Office.
A device for applying a substance, in some examples, may include an applicator element including a surface and being configured to be loaded with a substance, and an electrical exciter including at least two electrodes permanently in contact with the applicator element and enabling electric current to flow to the applicator element via the electrodes.