American Crew Gray Shampoo Shampoo For Gray Hair Maintenance 8.4oz American Crew grey shampoo helps to keep your gray looking its finest. This works to minimize yellow tones that gray hair can get due to minerals in the water, impurities in the air and product buildup. Application: Wet hair thoroughly. Massage a small amount into hair and scalp. Rinse well. Features: CI 60730 (Ext. Violet 2), Hydrolyzed Milk Protein, Polyquaternium-10, Balsam Canada. Helps to minimize yellow tones in hair. Smoothes and softens, helps absorb and retain moisture. Adds sheen and conditions to the hair. Natural resin.