The active component of Priligy is dapoxetine Patients treated with this medication increased their intravaginal ejaculatory latency by a factor of three in a number of clinical experiments and trials. A minimum of three times as much time is added to the lives of Priligy users compared to placebo. Another positive study found that 70% of dapoxetine users and their partners found the treatment to be effective in improving their sexual satisfaction, up from 10% prior to treatment.