Swertia chirata extract and cosmetic compositions comprising same
AssigneeChanel Parfums Beaute
InventorsVincent Rilhac, Maeva Gillet
Life of this patent
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Abstract
A Swertia chirata extract obtained by extracting with supercritical CO2 an alcoholic extract of Swertia chirata, and to a cosmetic composition including such an extract having in particular an anti-ageing effect for the skin. Also, administering such an extract in a cosmetic method for preventing and/or reducing skin ageing and a cosmetic method for hydrating the skin and/or improving the barrier function of the skin.
Claims20
A Swertia chirata extract, wherein said extract is obtained by a method comprising a step of extracting, with supercritical CO2, an alcoholic extract of Swertia chirata, at a temperature between 40 and 80° C. and at a pressure of between 20 and 60 MPa.
A Swertia chirata extract comprising 0.035% or less by weight swertiamarin, wherein said extract is obtained by a method comprising a step of extracting, with supercritical CO2, an alcoholic extract of Swertia chirata, at a temperature between 40 and 80° C. and at a pressure of between 20 and 60 MPa.
A method for preparing a Swertia chirata extract, comprising a step of extracting, with supercritical CO2, an alcoholic extract of Swertia chirata, at a temperature of between 40 and 80° C. and at a pressure of between 20 and 60 MPa.
Dependencies are inferred from the claim text.