Red. It's more than a color—it's an expression. It's bold and fierce. So whether your client is a natural redhead or wearing a color crafted from behind the chair, we all know it's anything but simple. Shades of red can range from crimson to mahogany, from ginger to violet, from fire to wine. The spectrum that is red seems to be never ending, and the possibilities when creating a cool red shade are, in one word, limitless

The new Red Collection from Goldwell knows just how important your reds are. The collection features four signature color services:…