Kao Corporation

Shingo Komaba

Hiroshi Yoshida

Shigeaki Wakana

Yuta Sakai

Masutaro Hirayama

The present invention relates to a hair cosmetic containing the following components (A) to (E): 

Hair cosmetic

A magnetic recording medium having a nonmagnetic polymer substrate, a magnetic layer and a backcoating layer, wherein surface profile of the magnetic and the backcoating layers satisfies the following condition (i), and the nonmagnetic polymer substrate satisfies the following conditions (ii) and (iii): (i) the skewness of the surface roughness profiled of the backcoating layer is greater than that of the magnetic layer; (ii) the nonmagnetic polymer substrate has a molecular orientation ratio of 1.11 or greater; and (iii) the angle between the main axial direction of the polymer chains in the nonmagnetic polymer substrate and the longitudinal direction of the nonmagnetic polymer substrate is 7.degree. or smaller, has excellent electromagnetic conversion characteristics and running stability.

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Utsunomiya, Japan

Shingo Komaba