naturalhair dye volume:30ml*2, 50ml*2, 100ml*2, 200ml*2we have 20 colors for your choosefree sample the feature of no ammonia: 1.no pungent smell and more gentle formula.2.reduce occupational injuries.3.customer harm reduction.4.reduce the sensitivity of scalp and dye healthily.characteristics:1.It's ammonia-free.no unpleasant smell. 2.No hair damage,make the hair soft,fragrant and shiny. 3.fast and perfect gray hair coverage,natural and long lasting color. directions:1.keep the hair dry bdfore dye. 2.mix A and B hair dye cream quickly at the proportion of 1:1 evenly, then begin to dye. 3.apply formula on the hair (above rooting for 2cm) for 10-15 minutes, then mixture on the root evently.and massage hair thoroughly,then stay another 30 minutes. 4.make the hair wet with litter warm water, and wash off after massage. then use nutritive hair conditioner and massage 1-2minutes and wash it. warning: 1.Carry out skin sensitivity test before use .2.Some active ingredients may cause skin irritation for some individual .3.Do not use in dyeing eyelashes ,eyebrows and other body areas, otherwise injury may occur.4.Do not use on broken scalp.warm note:1.the no ammonia hair dye cannot mixed with other ammonia product, otherwise it will injure your scalp.2.the cream is stuck in your face or hand when you are dying, apply some A cream of straight perm on it, and wait a several minutes, then you will find they are fade away.