Schwarzkopf IGORA Vibrance 13 Volume Activator Lotion is a professional-grade developer designed to mix with IGORA Vibrance color for optimal results. This 33.8 oz bottle delivers consistent, reliable performance for salon and at-home use. The 13 volume strength provides gentle lifting while maintaining color vibrancy and shine. Formulated to work seamlessly with IGORA Vibrance demi-permanent color, it ensures even color distribution and long-lasting results. Perfect for touch-ups, root coverage, and maintaining vibrant tones between colorings. Professional colorists trust IGORA for quality and consistency.