PROYOU color creme perox 40 vol 900 ml PROYOU color creme perox 40 vol 900 ml PROYOU Color Creme Perox 40 Vol 900 ml is a professional-grade color creme designed to provide long-lasting, vibrant color with maximum coverage. This high-performance formula is perfect for color correction, or creating dramatic and dramatic-looking results. It is formulated with advanced conditioning agents that protect and nourish hair, leaving it feeling soft and smooth. The 40-volume formula provides maximum lift and coverage, while the 900 ml size provides enough product to treat long hair.