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. One day 1 our formula with antioxidants plus the conditioner give outstanding damage protection and help prevent hair dryness while coloring. 2 weeks later revitalize your color with ColorFresh! Revitalizer a conditioning creme that adds color pigments back to your hair in just 5 minutes. Lasts 28 shampoos. Healthier-looking hair fresh color.* Ammonia-free color blends away grays. *vs. untreated.