Revlon Professional Revlonissimo Color Excel in shade 1 Black is an ammonia-free, tone-on-tone hair colourant in a 70ml size. It delivers a deep, glossy black result with a soft, natural finish. It adds shine and tone without a harsh line of regrowth and suits low-commitment colour, toning and grey blending. Mix at a 1:2 ratio with Color Excel Energizer, sold separately, and always carry out an allergy alert test before use.