Wella Color Touch 5/0 Light brown/Natural 2oz Wella Color Touch 5/0 gives a Light brown/Natural color to your hair. It penetrates inside the hair's cuticle layer for shocking shine and color brilliance. The shades also deliver a distinctive brightness and intensity. It allows you to change your appearance to suit an event, clothing, and more importantly your mood. It has very low ammonia content with great grey coverage.