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US 12,714,659 B2Granted
Cosmetic
AssigneeShiseido Company, Ltd.
InventorsMayu Kumagai, Motoharu Kimura, Tetsuya Kanemaru, Yuka Iwahashi
Life of this patent
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Abstract
The invention relates to a cosmetic containing fatty acid magnesium salt particles and fine particle titanium oxide in which the fatty acid magnesium salt particles have a fatty acid having 12 to 22 carbon atoms, an aspect ratio expressed by the following formula (1) of 1.0 or more and 2.0 or less and an average thickness of 250 to 600 nm. Aspect Ratio=Major axis diameter of Particle (μm)/Minor axis diameter of Particle (μm) formula (1).
Claims6
A cosmetic containing fatty acid magnesium salt particles and fine particle titanium oxide,
- wherein the fatty acid of the fatty acid magnesium salt particles has 12 to 22 carbon atoms,
- an aspect ratio of the fatty acid magnesium salt particles defined for an individual particle as a ratio between a major axis diameter of the particle and a minor axis diameter of the particle is 1.0 or more and 2.0 or less, and
- the average thickness of the fatty acid magnesium salt particles is 250 to 600 nm.
Dependencies are inferred from the claim text.