Aullria 100ml professional hair color brands and ammonia free hair color brandsProduct ingredients:This product is made of pure natural raw materials by applying lastest biochemical technology,and can strengthen the close of hair cuticle and prevent the loss of artificial pigment,create glossy and manageable hair,prevent knot,eliminate static,thus enabling the hair to appear non greasy.remaining ventilated,healthy and loose hair.Usage:1) It's not necessaryfor you to wash hair before use this product,please have towear gloves,mix hair dye with developer cream into a container (1:1) proportation2) The mixture evenly coated in your hair(from foots to ends ) use the comb.3)Remain25~40 minutes.4) After wash your hair with fresh water,then use clean towel to dry your hair . Certification