Composition for natural skin brightening effect
US11786445B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 10, 2017 |
| Grant date | Oct 17, 2023 |
| Priority date | — |
| Expiry date | Oct 10, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/436
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a composition for a keratin substance, such as skin, comprising: (a) at least one plate type filler having a particle size of 10 μm or less, preferably 5 μm or less, and more preferably 3 μm or less; (b) at least one pearlescent pigment having a particle size of 15 μm or less, preferably 12 μm or less, and more preferably 10 μm or less; and (c) at least one hollow or porous particle, wherein the (a) plate type filler has a refractive index of 2.0 or less, preferably 1.9 or less, and more preferably 1.8 or less, and the (b) pearlescent pigment has a colored reflection. The composition according to the present invention can provide a keratin substance with sufficient coverage of imperfections on the keratin substance, while providing the keratin substance with brightness and natural finish.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.