Brass free brunettes. 10 minutes. Healthier-looking hair, fresh color (vs untreated). Ammonia-free color counteracts unwanted brassy tones. Lasts 28 shampoos. Natural Instincts with Week 2 ColorFresh! Revitalizer, works in 10 minutes, for fresh color and a touchable softness you can feel for up to 6 weeks. On day 1, our formula with antioxidants plus the conditioner, give outstanding damage protection and help prevent hair dryness while coloring, without adding unwanted red and orange tones. 2 weeks later, revitalize your color with ColorFresh! Revitalizer, a conditioning creme that adds color pigments back to your hair in just 5 minutes. Professional advice from the Clairol experts: If you are not sure which shade to choose, start with a lighter shade. Made in Mexico.