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EMULSION COSMETIC CONTAINING TITANIUM DIOXIDE POWDER
专利权人:
SHISEIDO COMPANY; LTD.
发明人:
Mayo SHINKE,Shoko OGAWA,Tomoko IKEDA
申请号:
US16625820
公开号:
US20200121569A1
申请日:
2018.05.31
申请国别(地区):
US
年份:
2020
代理人:
摘要:
An emulsion cosmetic maintains a concealing ability, allows light in a long wavelength region to transmit efficiently (i.e., an excellent red light selective transmit function), is spread easily, wherein a powder likeness cannot be felt upon use, and provides a natural finish when applied onto the skin. A titanium dioxide powder therefore is composed of particles having an apparent average particle diameter of 100 nm or more and less than 500 nm, an average crystallite diameter of 15 to 30 nm as measured by a X-ray diffraction method and a specific surface area of 10 to 30 m2/g, and each has a shape with radially projected needle-like projections are coagulated, and has a ratio of a longer axis to a shorter axis (i.e., a (longer axis)/(shorter axis) ratio) in the shape of 1.0 to 2.5. The emulsion cosmetic contains 0.1 to 25% by mass of the titanium dioxide powder, 0.1 to 5% by mass of disteardimonium hectorite and 0.1 to 8% by mass of a silicone surfactant.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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