Detergent and conditioning compositions comprising, in a cosmetically acceptable medium, (A) a washing base comprising at least one anionic surfactant and at least one amphoteric surfactant and (B) at least one aminated silicone having an amine number greater than or equal to 0.4 meq/g, the amphoteric surfactant/anionic surfactant ratio by weight being greater than or equal to 0.2. The use of detergent and conditioning compositions for cleaning and for caring of the hair or the skin.