L'Oreal Paris Men Expert Permanent Hair Color, Dark Brown 03, Easy mix, no mess, greys blended! With the new L'Oreal Paris men's expert one-twist permanent hair color specifically developed for men's hair, grey coverage has never been so easy. Just twist, shake, crack and apply and in 5 minutes undetectable grey coverage. This breakthrough innovation is powered by a patent-pending one-twist applicator and an ammonia-free technology that allows you to seamlessly blend in grays. It works on all levels of grays, hair types, and textures with color that fades naturally in 6 weeks.