Best overall: L'Oréal Paris Excellence Creme Permanent Triple Care Hair Color — $12.00. Specifically formulated to cover stubborn gray hair, L’Oréal Paris Excellence Creme permanent hair ...

L’Oreal’s Colorsonic hair dyeing device takes the guesswork out of coloring your hair at home, distributing dye to your roots at the touch of a button and at a fraction of the salon price.