it is working great so far [SEP] i have been using grandelash for over a year now with a lot of success so i do not know how this product works for first time users the only thing i can say is that this product is maintaining the outgrowth i have from using the other brand just fine i have not had any eye stigmas or irritaton from this serum either i have been using it for over a month now and i like it a lot i would have to recommend it