Just for Men Control GX + THK Thickening Shampoo with Grey Reduction, Shampoo for Thinning Hair with Alpha Keratin, Thickens Hair Up to 20%, Works with Every Hair Texture, 4 ozCGX + THK innovative hair dye shampoo thickens hair up to 20% while gradually reducing gray. Gently and thoroughly cleans and revitalizes your hair, increasing volume for a thicker, fuller look. CGX + THK is formulated in a bio tech lab with healing Alpha Keratin, previously utilized for wound healing and muscle regeneration and is now unleashing its transformative power to reinforce mens hair. Use CGX + THK instead of your regular shampoo until you