Wella Shinefinity Base Clear 500ml is a professional-grade option for enhancing your hair color. Specifically designed to soften and add transparency to other Shinefinity shades, this booster provides brilliant, long-lasting results. Plus, with zero lightening, ammonia, silicones, and alcohol, as well as an ultra-natural finish, it respects the natural character of your hair. Perfect for use with Shinefinity Activator, this demi-permanent color also improves hair texture for up to 6 weeks.