I have tried Latisse which is so expensive $150 expensive for one month supply. I found Rapid Lash online and tried that instead. It works just as well and faster I think. I used it every night at bedtime until I saw results in 2-3 weeks then I used it maybe every 3rd day or so just to keep up. My tube lasts me at least 4 months or longer and I have Great Lashes!