utility model relates to the sanitary measure (1) of the active substance causing reduction in ph environment of vagina and / or external genitalthe active substance contains lactic acid or its salts in crystal form and is placed on the surface layer (2) sanitary measure (1),intended to come into contact with the body and / or is contained in the internal structure of health (1).a sanitary measure is that lactic acid and / or its salts contained in the active substance are coated monoestrami monoglycerides.what causes the gradual release of lactic acid in the middle of health (1).in one variant of the sanitary measure consists of the lower nieprzepuszczaj u0105cej layer (3), (4) and the upper absorbent core surface layer (2) made of woven or non-woventhe active substance in powder form and a functional layer on the back side of the upper surface layer (2).