L'Oreal Professionnel Inoa 5.1 is a una permanent hair dye without ammonia, designed for those who want an intense and long-lasting color while respecting the health of the hair fiber. Thanks to its innovative formula, Inoa guarantees una complete coverage of gray hair and a uniform result from the roots to the tips, enhancing natural and luminous shades. The absence of ammonia ensures a gentle application, significantly reducing pungent odors and the risk of skin irritations, making the coloring experience more comfortable. The ODS² (Oil Delivery System) technology enhances color penetration, protecting and strengthening the hair from within, thus keeping una hair soft, shiny, and healthy in the tempo. The shade 5.1, an ash light brown, is perfect for those looking for a natural, elegante and modern cool effect, ideal for personalizing one's style with sophisticated shades. With una a 60 ml package, this dye is practical and optimal for both home and professional use, allowing for professional results at home. L'Oreal Professionnel Inoa 5.1 represents the perfect choice for those who want una a performing permanent coloring that respects the scalp and at the tempo same time enhances the natural beauty of the hair with brilliant and long-lasting results.