A formulation for personal hygiene in the form of O/W emulsion with a pH from 5.5 to 6.5, free of surfactants, comprising an emulsifier consisting of a fatty alcohol from 14 to 22 carbon atoms or of Glyceryl Stearate or a mixture thereof, Coco Caprylate and/or Coco Caprylate/Caprate, vitamin E or an ester thereof, and Melaleuca alternifolia oil.