Methods for the treatment of irritations of the skin and skin appendages caused by microbial stresses are disclosed. The methods include providing a composition comprising a linseed extract, obtained from hydrolysis of linseed proteins, as an active antimicrobial agent in a physiologically acceptable medium, and topically applying the linseed extract onto the skin in need thereof. The methods may be useful in the cosmetic and pharmaceutical field and, more particularly, in the field of dermatology. Cosmetic methods for reinforcing the chemical barrier function of healthy and/or sensitive skin and skin appendages are also disclosed that include the same or similar composition and steps.La présente invention se situe dans le domaine cosmétique et pharmaceutique, et plus particulièrement dans le domaine de la dermatologie. La présente invention concerne un extrait de lin pour son utilisation pour la protection de la peau et des phanères des agressions microbiennes. L'invention concerne encore un extrait de lin pour son utilisation pour augmenter le taux d'expression de peptides antimicrobiens.
