Details
Just for Men Control GX Grey Reducing Shampoo for Lighter Shades of Hair, Blonde to Medium Brown, Gradual Hair Color, 4 Fl Oz - Pack of 3 (Packaging May Vary)

CGX Innovative hair color shampoo for light shades gradually reduces grey with every wash. Gently and thoroughly cleans and revitalizes, increasing volume for a thicker, fuller look.
Reduces grey hairs gradually, for subtle, natural-looking results, unlike other dyes. No ammonia or peroxide.
Triple patented formula, keeps hair looking stronger and healthier. This product works best for blond and light shades of hair.
Makes reducing gray easy: All you have to do is shampoo your hair Also available in beard wash, shampoo for darker shades, and anti-dandruff shampoo
Just use it instead of your regular shampoo until you like what you see. Then alternate with your regular shampoo to maintain the look you like.