Shiseido Company, Limited

Yoshimori Fujinuma

Hideyuki Ichikawa

Yumiko Suzuki

Tomohisa Asahara

Satoru Akiu

Yoshio Katsumura

Takashi Suzuki

Michihiro Yamaguchi

Chikao Nishino

Tomomi Okazaki

Ryuhei Inada

Noriko Nakajima

Shigeru Taguchi

Mie Kitano

Miwako Yamato

Chuji Yanagawa

Yoshiko Tonomura

Masaki Uemura

A skin treatment composition comprising at least one glycoside of hydroquinone having the general formula: ##STR1## wherein R represents a pentose residue, a hexose residue, an amino sugar residue, or an uronic acid residue, or the methylated product thereof in a skin treatment base. This skin treatment composition can further contain at least one UV absorber. The hydroquinone glycoside (I) exhibits an excellent depigmentation effect and effectively suppresses skin irritation caused by the UV absorber.

Skin treatment composition

An antipruritic composition for an oral medicine, injection, and external medicine, comprising an effective amount of a chelated zinc (e.g., zinc picolinate) as an antipruritic agent.

Antipruritic composition

Hair dye is provided for dyeing hair without causing allergic reaction and with a good coloring effect. This hair dye consists of three hair dyeing compositions, that is, a first dyeing composition including a cutting agent for the cystine-bond of keratin, a second dyeing composition including melanin precursors and boosters for pigmentation, and a third dyeing composition including an oxidizing agent. A process for dyeing hair is also provided in the present specification.

Dyeing live hair with melanin precursors

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Yokohama, Japan

Yoshimori Fujinuma