公开(公告)号：US20230051189A1

公开(公告)日：2023-02-16

申请号：US17785233

申请日：2020-12-04

Applicant: L'Oreal

Inventor： Shu LIU ,  Gaurav AGARWAL

IPC: A61M37/00

Abstract: The present invention relates to a cosmetic process for a keratin substance such as the skin or the lips, comprising the steps of: applying onto the keratin substance at least one composition comprising at least one coloring agent; and applying onto the keratin substance, to which the composition has been applied, a microneedle sheet comprising a substrate sheet and a plurality of microneedles on the substrate sheet such that the microneedles are capable of penetrating into the keratin substance. According to the present invention, microneedles can penetrate into a keratin substance to provide the keratin substance with long lasting and uniform color effects.

公开(公告)号：US20230226332A1

公开(公告)日：2023-07-20

申请号：US18001973

申请日：2021-05-21

Applicant: L'OREAL

Inventor： Gaurav AGARWAL ,  Shu LIU

IPC: A61M37/00 ,  A61Q19/00 ,  A61K8/02

CPC classification number: A61M37/0015 ,  A61Q19/00 ,  A61K8/0208 ,  A61K2800/87 ,  A61M2037/0061 ,  A61K2800/91

Abstract: The present invention relates to a kit comprising: at least one microneedle sheet (1) comprising a substrate layer and a plurality of microneedles on the substrate layer, the microneedles comprising at least one water-soluble or water-dispersible polymer; and a device comprising an applicator (2-3) comprising an application surface, a container (2-1) comprising a cosmetic composition and a valve, wherein the microneedle sheet (1) is capable being attached to the applicator (2-3) by attaching the substrate layer of the microneedle sheet to the application surface, the applicator (2-3), the container (2-1) and the valve are configured to supply the cosmetic composition via the valve onto the microneedle sheet (1). The kit according to the present invention can prevent the repeated use of microneedles (1), and can apply a cosmetic product in an easy and sanitary manner.

公开(公告)号：US20170304602A1

公开(公告)日：2017-10-26

申请号：US15516215

申请日：2015-11-13

Applicant: L'OREAL

Inventor： Shu LIU ,  Kazuyuki OHNISHI

IPC: A61M37/00 ,  A61K8/81 ,  A61K8/86 ,  A45D44/22 ,  A61K8/73 ,  A61Q19/08 ,  B29L31/00 ,  B29C39/02 ,  B29K33/00 ,  B29K71/00 ,  B29K105/00

CPC classification number: A61M37/0015 ,  A45D44/22 ,  A61K8/735 ,  A61K8/8164 ,  A61K8/85 ,  A61K8/86 ,  A61K9/0021 ,  A61K47/32 ,  A61K47/36 ,  A61K2800/805 ,  A61K2800/91 ,  A61M2037/0046 ,  A61M2037/0053 ,  A61M2205/0216 ,  A61M2207/00 ,  A61Q19/08 ,  B29C39/026 ,  B29K2033/00 ,  B29K2071/02 ,  B29K2105/0085 ,  B29L2031/7544

Abstract: The present invention relates to a microneedle comprising a plurality of portions, wherein the plurality of portions comprise a distal end portion and a proximal end portion, at least two of the plurality of portions are made of different polymers, and the distal end portion is made of at least one polymer with high swellability and high viscoelasticity.