The present invention relates to a selected probiotic strain of Lactobacillus rhamnosus and its uses in the nutritional, cosmetic and/or medical fields. The Lactobacillus rhamnosus strain of the invention has anti-inflammatory activity and is applied mainly in the treatment of the skin inflammatory and/or allergic infections, such as eczema, acne, seborrhoeic, atopic dermatitis and in the treatment of the sensitive skin.