Hair coloring advances hit home

These days, it's no casual matter to spend $100 or more on hair color at the salon. But what's a woman to do, let her roots show? Necessity is pushing even the timid to consider taking color into their own hands, and new techniques and formulations are making the boxes on the shelves look more appealing. "I saw a commercial about hair color you put on with a comb and thought about trying it to save money," says Holly Charron, a human resources manager.