公开(公告)号：US11642288B2

公开(公告)日：2023-05-09

申请号：US17633499

申请日：2021-02-05

Applicant: KAO CORPORATION

Inventor： Naomi Amari ,  Takuji Kume ,  Makoto Onoo ,  Takehiko Tojo ,  Rui Takahashi

IPC: A61K8/04 ,  A61K8/73 ,  A61K8/81 ,  A61Q19/00 ,  A61K8/02 ,  A61K8/49 ,  A61K8/63 ,  A61K8/68 ,  A61K9/00 ,  A61K47/32 ,  A61K47/36

CPC classification number: A61K8/027 ,  A61K8/04 ,  A61K8/498 ,  A61K8/63 ,  A61K8/68 ,  A61K8/73 ,  A61K8/8129 ,  A61K8/8176 ,  A61K9/0014 ,  A61K47/32 ,  A61K47/36

Abstract: Provided is a liquid skin external composition which allows a poorly water-soluble component to be applied to a skin in a liquid state.
An assembly of fiber for use in production of a liquid skin external composition, the assembly of fiber comprising (a) a polymer soluble in water and an alcohol or a ketone in a content of 50 mass % or more and 98 mass % or less with respect to the whole assembly of fiber and (b) a poorly water-soluble component in a content of 2 mass % or more and 40 mass % or less with respect to the whole assembly of fiber.