The RefectoCil Intense Browns Activator Gel 15ml is a must-have product for achieving long-lasting brow and lash color results. Its key ingredient, Silver Nitrate, ensures the retention of an intense brown shade. This versatile gel is ideal for enhancing natural brows or creating a bold look for lashes. The application is straightforward, and its remarkable staying power makes it a favorite among professionals and DIY beauty enthusiasts alike.