The present invention relates to a skin care composition comprising an extract of Malva neglecta and a cosmetically acceptable topical carrier. Non-polar and / or lipophilic extracts have been found to be particularly effective in improving skin barrier function, improving the appearance of at least one sign of aging in skin, and / or lightening skin. The composition may further comprise an agent, such as an active cosmetic agent, for further treating the skin condition. The present invention also relates to a method of treating a skin condition, particularly improving skin barrier function, improving the appearance of at least one sign of aging in skin, and / or lightening skin, by applying to the skin an extract of Malva neglecta topically to the skin in need of treatment. Topical application of non-polar and / or lipophilic extracts of Malva neglecta have been found to be particularly effective in improving skin barrier function, improving the appearance of at least one sign of aging in skin, and / or lightening skin. The extract may be applied in a composition further comprising an agent, such as an active cosmetic agent, for further treating the skin condition.La présente invention concerne un procédé de traitement de l'acné par l'application sur la peau d'un extrait de Malva neglecta topiquement sur la zone de peau affectée par l'acné pour augmenter la production de céramide au niveau de la zone cutanée affectée par l'acné aux fins de traiter l'acné et/ou l'améliorer. En outre, du cholestérol peut également être appliqué sur la zone de peau conjointement avec l'extrait de Malva neglecta pour traiter l'acné et/ou l'améliorer.