US 5,629,015 AGranted

Composition for combating ageing acting simultaneously on the surface layers and deep layers of the skin and use thereof

AssigneeL'oreal

InventorsAlain Ribier, Jean-Thierry Simonnet, Florence Girerd, Francoise Gagnebien-Cabanne

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Abstract

Compositions comprising a first dispersion of lipid vesicles which are capable of penetrating into the deep layers of the skin and which contain at least one active agent chosen from moisturizing agents, anti-free-radical agents, keratolytic agents, protides, enzymes, anti-elastase agents and anti-collagenase agents, and fatty acid derivatives, for treating these deep layers, and a second dispersion of lipid vesicles which are capable of penetrating into the surface layers of the skin and which contain at least one active agent chosen from keratolytic agents, tensioning agents, moisturizing agents, surface-restructuring agents and anti-free-radical agents, for treating these surface layers, are effective for combating ageing, acting simultaneously on the surface layers and deep layers of the skin.

Claims17

Dependent claims

A composition for combating ageing of the skin, which acts simultaneously on the layers of the stratum corneum and deep layers of the skin, comprising a dispersion mixture of:

(a) a first dispersion of lipid vesicles which are capable of penetrating into said deep layers of the skin and which contain at least one skin antiageing agent having activity in the deep layers of the skin for treating said deep layers;
and
(b) a second dispersion of lipid vesicles which are capable of penetrating into said layers of the stratum corneum of the skin and which contain at least one skin antiageing agent having activity in the layers of the stratum corneum of the skin for treating said layers of the stratum corneum,
and wherein said vesicles of said first dispersion ensure a distribution of N-(1-oxyl-2,2,6,6-tetramethyl-4-piperidyl)-N-dimethyl-N-hydroxyethylammoni um iodide (ASL) in the stratum corneum >1.times.10.sup.-7 cm.sup.2 /s and in that said vesicles of said second dispersion ensure a distribution of ASL in the stratum corneum <1.times.10.sup.-7 cm.sup.2 /s.

1 more element

Dependencies are inferred from the claim text.