Just For Men Control GX Grey Reducing 2-in-1 Shampoo and Conditioner, Gradual Hair Color with Keratin for Stronger Thicker and Healthier Looking Hair, 4 Fl Oz - Pack of 1 (Packaging May Vary) Grey Reducing 4 Fl Oz (Pack of 1)

Specifications:

CGX Innovative hair color shampoo and conditioner 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, with keratin to keep hair looking stronger, healthier, and up to 2X thicker looking. This product works best for all shades of hair
Makes reducing gray easy: All you have to do is shampoo your hair Also available in beard wash, shampoo for light shades, and anti-dandruff shampoo
Just use it instead of your regular shampoo and conditioner until you like what you see. Then alternate with your regular shampoo to maintain the look you like