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