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.
Patent No.:
Date of Patent:
Nov. 22, 2022
Filed:
Dec. 06, 2016
L'oreal, Paris, FR;
Jennyfer Cazares Delgadillo, Chevilly la Rue, FR;
Thi Hong Lien Planard-Luong, Chevilly la Rue, FR;
L'OREAL, Paris, FR;
Abstract
A iontophoresis method () is described for delivering vitamin C through the skin of a biological subject, the method comprising applying () a selected current profile, either continuous direct current or pulsed current or a combination of both to a biological subject. A iontophoresis composition is further described, comprising one or more of vitamin C, vitamin C derivatives, ions of vitamin C and ions of vitamin C derivatives and further comprising a silicon material and water. A iontophoresis kit for carrying out the iontophoresis method is also disclosed. The application further describes a iontophoresis device comprising an electrode assembly and circuitry configured to concurrently generate a continuous direct current stimulus and a pulsed current stimulus; a corresponding iontophoresis method for delivering a cosmetic composition to a biological subject is also disclosed.