The invention relates to a conditioning preshave/aftershave composition and related method. The composition includes a microemulsion including 15%-25% of at least one alkyl(oligo)glycoside, 4%-10% of at least one mono- or diester of glycerol with at least one C10-C24 fatty acid as coemulsifier, and 15%-25% at least one oil, and 40%-66% water. The composition can be mixed a water-containing cosmetic carrier comprising: at least one alkyl ether phosphate or alkenyl ether phosphate of the formula (I).