After trying the BL Lashes Noir Fix N Hold serum myself, I can say it’s a game-changer for anyone who has undergone a lash lift or perm. The formula not only enhances the natural black tint of lashes but also acts as a fixer to hold the curl longer throughout the day. What I personally love is its smudge-free, irritation-free qualities, making it suitable even for sensitive eyes. I usually apply a small amount of this serum once a day as part of my nighttime skincare routine. Over time, I noticed that my lashes stayed curled and looked darker without needing additional mascara, which is perfect for low-maintenance days. The 9.5ml size lasts quite a while, so it’s a great investment for lash care. Being free from irritants is a key factor for me as I’ve experienced discomfort with other lash products in the past. The serum’s gentle formulation means you won’t have to worry about redness or itchiness. Additionally, because it enhances the black tint, it reduces the need for extra makeup, simplifying my beauty routine. It's also helpful during humid summer months when typical curl tends to drop. This product is definitely among my recent summer wins and a solid Amazon find. If you’re wondering how often to use it—daily application is recommended for best results. But always listen to your eyes and skin, and discontinue if any irritation occurs. Overall, Noir Fix N Hold is a fantastic aftercare serum to preserve your lash lift’s look and health.