The detergent product for cosmetic use, comprises: a base compound having a detergent action； spores of probiotic bacteria mixed with the base compound； bacteriophage elements mixed with the base compound and having bactericide activity on predetermined undesired bacterial species present, the bacteriophage elements, in cooperation with the spores of probiotic bacteria, being able to carry out a combined and synergic action against damaging micro-organisms. Use of the detergent product is also described, for cleansing of the skin, skin adnexa (hair, nails, body hair, beard), of the oral cavity, mucosa or the teeth.
