Reduction of stinging sensation on skin

Patent metadata

Field	Value
Publication number	US-12053537-B2
Application number	US-201515773767-A
Country	US
Kind code	B2
Filing date	Nov 15, 2015
Priority date	Nov 15, 2015
Publication date	Aug 6, 2024
Grant date	Aug 6, 2024

Abstract

The present invention belongs to the area of cosmetics that comprise at least an active agent which cause stinging, pricking, tingling and burning sensation on skin as a side effect. The invention in particular relates to a spray dried composition and the method as well as the use of the spray dried composition comprising said stinging, pricking, tingling and burning active agents to reduce and/or inhibit stinging, pricking, tingling and burning sensation on skin.

First claim

The invention claimed is:

1. A composition consisting of
(i) at least one active agent selected from the group consisting of butyl resorcinol, pentyl resorcinol, hexyl resorcinol, heptyl resorcinol, octyl resorcinol, nonyl resorcinol, decylresorcinol, phenylethyl resorcinol, phenylpropyl resorcinol, phenylbutyl resorcinol, phenylhexyl resorcinol, toluoylethyl resorcinol, toluoylpropyl resorcinol, toluoylbutyl resorcinol, toluoylhexyl resorcinol, methoxytoluoylethyl resorcinol, methoxytoluoylpropyl resorcinol, methoxytoluoylbutyl resorcinol, methoxyltoluoylhexyl resorcinol, dimethoxytoluoylethyl resorcinol, dimethoxytoluoylpropyl resorcinol, dimethoxytoluoylbutyl resorcinol, dimethoxytoluoylhexyl resorcinol and mixtures thereof, and
(ii) a carrier which is a mixture of modified starch, maltodextrin, and capric/caprylic triglyceride,
wherein components (i) and (ii) are jointly subjected to a spray-drying process.

2. The composition of claim 1 , wherein the at least one active agent (i) is phenylethyl resorcinol.

3. The spray dried composition of claim 1 , wherein the modified starch is sodium octenyl succinate starch.

4. A method of reducing and/or inhibiting stinging, pricking, tingling and burning sensation of a cosmetic preparation, comprising the following steps:
(A) providing the spray-dried composition of claim 1 , and subsequently
(B) formulating the spray-dried product of step (A) into the cosmetic preparation, and
(C) applying said cosmetic formulation to human skin.

Assignees

• Symrise Ag

Inventors

• Schmaus Gerhard
• Lange Sabine
• Gruber Eric

Classifications

• A61Q19/00

  Preparations for care of the skin · CPC title

• A61K2800/75

  Anti-irritant · CPC title

• A61K2800/10

  General cosmetic use · CPC title

• A61K8/922

  of vegetable origin · CPC title

• A61K31/047

  having two or more hydroxy groups, e.g. sorbitol · CPC title