Wella Professionals Shinefinity Zero Lift Glaze in Crystal Glaze Booster will soften the shade of other Shinefinity colour glazes, add a clear glaze to your colour, or pastelise other booster tones. Designed for natural or coloured hair, Shinefinity creates infinite colour possibilities and provides healthy-looking, never artificial, shimmering results for shine you can feel. Lasts up to 6 weeks. Use with Shinefinity Activator.