Redken For Men Renew Silver Charge Shampoo Redken For Men Silver Shampoo gradually eliminates unwanted yellow tones in gray & white hair. Its formula contains strengthening protein & UV filters for hair. Hair is smoother & more manageable with a healthy silver shine. Backed by Steel Lock Technology Redken For Men Silver Charge Shampoo contains protein to increase hair strength & a yellow neutraliser to eliminate unwanted yellow tones. Grey hair has never been more desirable so take advantage of the ‘silver fox’ look with the help of this fortifying shampoo specially formulated with quinoa oil to add extra smoothness & shine.