Dr Zero’s Darkvance Glowing Treatment (for Men) rejuvenates and repairs, leaving hair vibrant and naturally glowing. Infused with Hematin and the innovative DARKVANCE Complex & Darkenyl TM, it enhances volume and shine from the roots.The Reverse Complex and Redensyl increase hair density and promote a youthful appearance. Sulfate-free, silica-free, mineral oil-free, and synthetic color-free, this treatment ensures hair stays soft, bouncy, and healthy.