The present invention relates in general to topical compositions having improved antimicrobial effect useful for the treatment of hyperkeratotic skin conditions. More specifically, the present invention relates to topical compositions comprising a combination of one or more alfa-hydroxy acids, urea, glycerol, and panthenol, as well as the use of such compositions for the treatment of hyperkeratotic skin conditions, in particular on the feet, and also on other body areas where thick skin is noted and where infections should be avoided.