Method for treating laundry in a laundry machine which comprises: - a rotatable drum adapted to receive laundry to be treated; - a washing tub enclosing said drum ; - a water supply apparatus configured to supply water into said washing tub ; - a control unit programmed to carry out a laundry treatment cycle; - a laundry treatment agent dispensing device adapted to deliver into the washing tub at least one laundry treatment agent between a laundry detergent and a laundry softener, said laundry treatment agent dispensing device comprising a first reservoir (220 ) adapted to be at least partially filled with said laundry detergent and a second reservoir (220 ) adapted to be at least partially filled with said laundry softener, and - a control system , in signal communication with the control unit , providing a softener signal (SS) adapted to take a first value (SS ) indicating that no laundry softener quantity will be delivered into the washing tub during said laundry treatment cycle, and a second value (SS ) indicating that a laundry softener quantity will be delivered into the washing tub during said laundry treatment cycle; the method comprising: - performing a washing phase in which the laundry treatment agent dispensing device delivers said detergent into the washing tub ; - performing a number of rinsing phases wherein detergent used in the washing phase is removed from laundry by using water provided by said water supply apparatus; characterized in that - the control unit sets the number of rinsing phases to be performed according to whether the value taken by the softener signal is the first value (SS ) or the second value (SS ). - a rotatable drum adapted to receive laundry to be treated; - a washing tub enclosing said drum ; - a water supply apparatus configured to supply water into said washing tub ; - a control unit programmed to carry out a laundry treatment cycle; - a laundry treatment agent dispensing device adapted to deliver into the washing tub at least one laundry treatment agent between a laundry detergent and a laundry softener, said laundry treatment agent dispensing device comprising a first reservoir (220 ) adapted to be at least partially filled with said laundry detergent and a second reservoir (220 ) adapted to be at least partially filled with said laundry softener, and - a control system , in signal communication with the control unit , providing a softener signal (SS) adapted to take a first value (SS ) indicating that no laundry softener quantity will be delivered into the washing tub during said laundry treatment cycle, and a second value (SS ) indicating that a laundry softener quantity will be delivered into the washing tub during said laundry treatment cycle; the method comprising: - performing a washing phase in which the laundry treatment agent dispensing device delivers said detergent into the washing tub ; - performing a number of rinsing phases wherein detergent used in the washing phase is removed from laundry by using water provided by said water supply apparatus; characterized in that - performing a washing phase in which the laundry treatment agent dispensing device delivers said detergent into the washing tub ; - performing a number of rinsing phases wherein detergent used in the washing phase is removed from laundry by using water provided by said water supply apparatus; characterized in that - the control unit sets the number of rinsing phases to be performed according to whether the value taken by the softener signal is the first value (SS ) or the second value (SS ). <EOS>