GENTLE ON SCALP Simply Colors caring formula is dermatologist tested to be nonirritating to the skin It is free from both PPD PTD NATURAL COLOR RESULTS Enjoy beautiful vibrant color results that are even from root to tip VISIBLY HEALTHY HAIR This gentle hair color is formulated with botanical oat milk soy protein and argan oil It is free from ammonia alcohol and silicone UP 100 GRAY COVERAGE Our color crme offers longlasting color up 100 gray coverage If your hair is longer than shoulder length we recommend using 2 boxes of Simply Color hair dye for the application Looking to extend your color Try Schwarzkopfs Color Boost an inshower customizable color vibrancy booster Just mix 15 drops into your favorite conditioner to increase color intensity between colorings