Light augmented treatment method
US11771765B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 26, 2020 |
| Grant date | Oct 3, 2023 |
| Priority date | — |
| Expiry date | Oct 27, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/81
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention is directed to a method of treating skin and scalp comprising applying on the scalp or skin a composition comprising a scalp care active selected from the group consisting of 2-Pyridinol-N-oxide, a pyrithione or a polyvalent metal salt of pyrithione, one or more iron chelator having an A log P value of greater than or equal to 0.4 and mixtures therein; exposing the scalp and skin to electromagnetic radiation having wavelength from about 350 nm to about 500 nm and power from about about 0.1 mWatts/cm2 to about 1000 mWatts/cm2 and for a time period from about 2 seconds to about 5 minutes; wherein the antimicrobial treatment results in reduction of fungal growth as measured by the Fungal Growth Sensitivity Test of at least 50% compared to the dark sample.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.