Process for obtaining an aqueous extract of lavender, compositions comprising such an extract, and their cosmetic uses

Abstract

The invention relates to a process for obtaining an aqueous extract of lavender enriched with small RNAs of a maximum length of 150 nucleotides, with sugars, with phenolic compounds, with organic acids and devoid of DNA, obtained by the following process: the lavender aerial parts are brought into contact with water; phytic acid is added at a pH of between 10 and 11; the pH of the mixture obtained is then adjusted to a value of between 6 and 8, the mixture obtained is purified. The invention also relates to cosmetic compositions comprising such an extract and their cosmetic uses for protecting the skin from external aggression and oxidation, combating the signs of skin ageing, increasing photoprotection, lightening the skin, improving hydration, reinforcing the barrier function, soothing the skin or improving the biological mechanisms associated with skin repair during the night.

Dependencies are inferred from the claim text.