I've only been using this since 9/18/2023. My nails have no issues with growing fast, they're just paper thin, and anytime I do manage some length to them they have a tendency to curl upwards. I can confirm like many others have stated that if you apply more than one coat, it may cause some discomfort, but I promise you it will fade. If you stick to only one coat you're less likely to experience that. I can tell when I have this product on it does feel like my nails are less bendy when there's some length, but it's not at all a significant change that impresses me. Even with the product on, I still find myself having to be very careful with my nails when I get some length to them if I want to keep the length, and that's not exactly an easy feat unless I sit still and do nothing. I do find it annoying that I cannot seem to get this product applied smoothly. No matter how thin of a coat I try to achieve it ALWAYS ends up drying with air bubbles leaving the finish all bumpy, which isn't an attractive look, and I feel like I've wasted a lot of product re-doing my nails just to try and get a smooth finish. I do plan to continue using this product at least until all of what I've purchased is gone, and hopefully by then I will see some real improvement ***fingerscrossed***.UPDATE: While I stated above I wasn't so impressed to start with thinking I'll ALWAYS have to wear this if I want them to be stronger, color me impressed now. After using this slightly longer than 2 weeks, my nails are definitely stronger even without having the product on them, and they're not showing signs of breaking/bending/peeling even while I was doing my chores today when I didn't have the product on. I don't' know what's in this stuff that changed the way my nails are, but I'm a happy camper. I'm still struggling to get that perfect thin coat though without air bubbles, but given the trade off I can live with it.