Kao Corporation

Shuichi Akazaki

Genji Imokawa

Naotake Takaishi

Akira Kawamata

Shinji Yano

Yoshihiro Minematsu

Takashi Komori

Tsuyoshi Ohtomo

Mitsuko Zama

Michihiro Hattori

Yukihiro Yada

Yasuhiro Honma

Michio Kawai

Hisashi Misumi

Naonobu Yoshizuka

Osamu Osanai

Nobuo Miyazaki

Toshiyasu Suda

A method and apparatus for analyzing skin surface conditions which includes transferring horny cells from a skin surface of a subject onto an adhesive face of a base sheet. In addition, a learning-type image measurement system equipped with autocorrelation mask patterns is executed on a morphology of the horny cells in the image, thus judging at least one of a degree of overlapping, a degree of ellipticity and a degree of area of the horny cells. Further, the skin surface conditions are analyzed using this information.

Method for analyzing skin surface and apparatus therefor

An external skin care preparation comprising a compound represented by the following general formula (I) or (II), or a salt thereof: ##STR1## wherein R.sup.1 means an aliphatic hydrocarbon group having 9-25 carbon atoms, A and B denote specific groups respectively, R.sup.6 and R.sup.7 are individually an aliphatic hydrocarbon group having 10-26 carbon atoms, and R.sup.8 denotes a group --CH.sub.2 CH.sub.2 OH, --CH.sub.2 COOH, or --COCH.sub.3.

External skin care preparation

Novel cosmetic compositions comprising a lipid derived from horny cells can enhance a moisture retention ability of the horny layer and are useful for remedy of dry skin. When the lipid is used in combination with surface active agents, the above effect is enhanced. The cosmetic compositions may take any preparations such as creams, milky lotions, beauty wash, rouges, foundations, hair tonics and the like.

Cosmetic compositions

An external skin care preparation comprising a compound represented by the following general formula (I) or (II), or a salt thereof: ##STR1## wherein R.sup.1 means an aliphatic hydrocarbon group having 9-25 carbon atoms, A and B denote specific groups respectively, R.sup.6 and R.sup.7 are individually an aliphatic hydrocarbon group having 10-26 carbon atoms, and R.sup.8 denotes a group --CH.sub.2 CH.sub.2 OH, --CH.sub.2 COOH or --COCH.sub.3.

This invention relates to the measurement of the moisture content retained in the skin, and enables accurate diagnosis of the skin conditions by a device which can be switched in the connection of measurement electrodes to measure the moisture content either in the surface or in the depth of the keratinous layer of the skin.

Measurement method for moisture content in the skin and system therefor

An external medicament comprises a novel amide derivative represented by the following formula (I). ##STR1## The external medicament is applicable to both a pharmaceutical external medicament and a cosmetic composition, and it provides excellent improving and preventing effects for chapping of the skin.

Amide derivative and external medicament comprising same

Growing community of inventors

Funabashi, Japan

Shuichi Akazaki