Some embodiments are directed to a cosmetic composition including at least one extract of Jania rubens and at least one extract of everlasting. Some embodiments are also directed to the cosmetic use of a composition including at least one extract of Jania rubens and at least one extract of everlasting. Some embodiments are also directed to a non-therapeutic anti-ageing cosmetic treatment and/or the protection of the skin against external attacks, using a cosmetic composition including at least one extract of Jania rubens and at least one extract of everlasting. Some embodiments particularly apply to the cosmetic and/or dermatological fields.