L'Oréal Paris Casting Crème Gloss is the perfect choice for those looking to enhance their natural hair color with highlights and add a new shine to their hair. It's a nourishing tonal hair color that lasts for 6-8 weeks, providing a boost of radiance to your natural hair color. Achieve a naturally vibrant look with visible highlights. It's a caring formula, completely ammonia-free, and it can cover up to 70% of gray hair.