This product works very well. I particularly like the applicator. I have used products in the past that just have a small brush on the end like a liquid eyeliner, so you can't coat your lashes OR just has the brush at the end so you can't get to your last line. Talika ingeniously has BOTH! I have been using this product for about a month now, and I can starting to see results. I feel like my lashes seem stronger and longer. I haven't noticed any difference in curl or shade, but I think for overall healthier lashes it's working great. It is also very good to use under mascara, which is hard to find. Other products tend to cause your mascara to clump up or flake off. The only critique I will say is that when I first opened the product, the tip of the applicator was slightly blackish-gray, almost as if someone with eyeliner on had used the product before I did. I have no idea if that's the case, or if it's just the color the applicator is supposed to be.