Gentle formula locks in color and shine; No color-dulling residue. Neutrogena Clean Color-Defending Shampoo protects hair and locks in color and shine for vibrant, long-lasting color. Specially formulated with color-locking moisturizers that hydrate each strand to brighten color and add shine. Gentle enough to use everyday, this mild formula contains naturally-derived cleansers that remove daily build-up. It rinses clean without leaving behind color-dulling residue. Now, you can help keep the healthy-looking, vibrant color you love.