Shiseido Company, Limited

Yoshio Yahata

Hiroshi Fukui

Tomiyuki Nanba

Masaru Suetsugu

Kazuhisa Ohno

Masato Hatao

Masumi Koishi

Toshihiko Nakane

Minoru Fukuda

Eiichiro Yagi

Shigenori Kumagai

Hiroyuki Yokoyama

Yutaka Okunuki

Toshihide Ebisawa

Susumu Takada

Fujihiro Kanda

Tadao Ohta

Osamu Moro

Toshihiro Tanaka

A magnesium aluminometasilicate coated composite powder which comprises magnesium aluminometasilicate, or magnesium aluminometasilicate and at least one other powder coated on a surface of a core powder and which is usable in, for example, a skin treatment agent, decodorant, and oral composition.

Magnesium aluminometasilicate coated composite powder and use thereof

A composite powder wherein an organic or inorganic core powder is substantially completely covered with one or more types of organic, inorganic, or metallic powders having an average particle size one-fifth or less of the average particle size of the above core powder by means of mixing and compression. The composite powder may be manufactured by mixing and compressing the above core powder and coating powder using a ball mill or other mixer charged with a ball shaped mixing medium of an average diameter of 5 mm or less. This composite powder may be used in, for example, skin treatment agent, makeup type cosmetics, sunburn preventing cosmetics, deodorants.

Composite powder and production process

Growing community of inventors

Yokohama, Japan

Yoshio Yahata