Shiseido Company, Limited

Tomiyuki Namba

Reiji Miyahara

Hiroyuki Kakoki

Yohei Hamano

Toshikatsu Hayashi

Shunsuke Takeda

Masaaki Uemura

Shin Nakamura

Yumiko Fujiwara

Skin preparations for external use

A weak acid skin cleanser containing an alkali salt of N-acylamino acid and maltitolhydroxy aliphatic ether, or a hydroxy ether carboxylic acid-based anionic surfactant, or polyethylene powder, as well as water and an organic acid. Also, a weak acid skin cleanser containing an alkali salt of N-acylamino acid, a betaine-based ampholytic surfactant, water, and an organic acid. The weak acid skin cleansers mentioned above provide creamy and rich foaming, rapid rinsing, refreshing sensation during use, moist skin sensation after cleaning, and shelf stability of the base agent (separation, offensive odor, discoloration, etc.), and are free of increasing hardness over time at room temperature and below.

Weak acid skin cleanser

Cleansing agents

A hair revitalizing composition containing as effective ingredients amine oxide compounds, in which at least two said amine oxide compounds having mutually different chain lengths are combined; a method of revitalizing hair of mammals with such a hair revitalizing composition; or use of the above compounds for preparation of the above combined hair revitalizing composition. The above composition exhibits a synergistic hair revitalizing effect, compared with cases where the two amine oxides are used independently.

Hair revitalizing composition containing two or more amine oxides having

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Yokohama, Japan

Tomiyuki Namba