公开(公告)号：DE69111852D1

公开(公告)日：1995-09-14

申请号：DE69111852

申请日：1991-03-06

Applicant: KAO CORP

Inventor： SAKAGUCHI MIKIO ,  SAKAMOTO ICHIRO ,  SUGANUMA HIROKI ,  TAKANO SATOSHI ,  IWATA MINORU ,  KUROTANI NARIYUKI ,  KOIZUMI HIDEAKI ,  ITOH HIROSHI ,  MAEJIMA RISA

IPC: A61K8/04 ,  A61K8/23 ,  A61Q1/02 ,  A61Q1/06 ,  A61Q1/08 ,  A61Q1/10 ,  A61Q1/12 ,  C01F11/46 ,  A61K7/48 ,  A61K7/42

Abstract: Barium sulfate having a specific crystal structure and optical characteristics is disclosed. The crystals have a plate-like structure of which the aspect ratio is 5-100 and the ratio of the square of the circumference of the plate and the area of the orthogonal projection plane is 20:1-150:1. In a preferred embodiment, a thin film of 25 mu m thickness with 20% by weight of the barium sulfate powder concentration has a scattering transmittance of 70% or greater and a total transmittance of 85% or greater. The cosmetic compositions to which the barium sulfate is incorporated exhibits excellent extendibility and adhesion to the skin and can effectively hide the spots or freckles on the skin. The cosmetic composition satisfies both the fine naked skin feeling and the skin covering effect, which have never been satisfied by conventional cosmetic compositions.

公开(公告)号：JPH0441411A

公开(公告)日：1992-02-12

申请号：JP14765090

申请日：1990-06-06

Applicant: KAO CORP

Inventor： ITO YUJI ,  SUGASAWA HIROTAKE ,  KUROTANI NARIYUKI ,  MAEJIMA RISA

IPC: A61K8/19 ,  A61K8/23 ,  A61K8/30 ,  A61Q1/00 ,  A61Q1/02 ,  A61Q1/10 ,  A61Q1/12 ,  C01F11/46

Abstract: PURPOSE:To provide a cosmetic having a soft touch, a smooth spreading property, excellent adhesion and compatibility with skins and a dry touch by compounding lamellar barium sulfate having a specific shape and the powder of a surfactant polybasic metal salt pigment. CONSTITUTION:A cosmetic contains (A) lamellar barium sulfate having a lamellar structure, a ratio of 5-100 between the average diameter and thickness of the lamellar surfaces and a ratio of 20-150 between 2 power of the peripheral length of the lamellar surface and the whole area of the lamellar surface and (B) the powder of a surfactant polybasic metal salt pigment having a short diameter/long diameter ratio of 1/1 to 1/100 and a thickness/long diameter ratio of