Why visit a salon when you can get the same great results in the comforts of your own home. Bigen Women's Ammonia Free Hair Dye promises you natural looking dark brown 30 hair in just 15 minutes of application. Since the product is ammonia-free it is a safe option to use among the various chemical-laden colors available in the market. To add natural herbal ingredients like chamomile mint yarrow hops and fennel ensure that every strand is moisturized and your hair looks rich and shiny.