公开(公告)号：US20240374503A1

公开(公告)日：2024-11-14

申请号：US18291098

申请日：2022-07-19

Applicant: ISP Investments LLC

Inventor： Elodie OGER ,  Laura MOURET

IPC: A61K8/9789 ,  A61Q17/04 ,  A61Q19/00 ,  A61Q19/02 ,  A61Q19/08

Abstract: The invention relates to an extract of black tea (Camellia sinensis) enriched in particular in small RNAs, sugars, phenolic compounds, amino acids and theanine, and to a process for preparing such an extract. The invention also relates to cosmetic compositions comprising such an extract, and to the uses of cosmetic compositions comprising a black tea extract from any source, with the exception of black tea from Mauritius, for caring for the skin, scalp and appendages, and more particularly for protecting the skin from external aggression and oxidation, combating the signs of skin ageing, increasing photoprotection, lightening the skin and improving skin hydration.

公开(公告)号：US20240009111A1

公开(公告)日：2024-01-11

申请号：US18035711

申请日：2021-11-23

Applicant: ISP INVESTMENTS LLC

Inventor： Elodie OGER ,  Laura MOURET

IPC: A61K8/9789 ,  A61K8/55 ,  A61K8/81 ,  A61Q19/08 ,  A61Q19/00

CPC classification number: A61K8/9789 ,  A61K8/55 ,  A61K8/8176 ,  A61Q19/08 ,  A61Q19/007 ,  A61K2800/805 ,  A61K2800/412

Abstract: The invention relates to a process for obtaining aqueous extracts of tea leaves (Camellia sinensis), in particular of leaves of fresh tea, pu'er tea, matcha tea or green tea. The invention also relates to tea extracts enriched with small RNAs, sugars, phenolic compounds, organic acids, theine and theanine, as well as to cosmetic compositions comprising such extracts and their cosmetic uses for the care of the skin, the scalp, and the appendages and more particularly for protecting the skin from external aggressions and oxidation, combating the signs of skin ageing, increasing photoprotection, lightening the skin and improving skin hydration.