Madison Reed

Madison Reed is an online-only hair color company with a full range of 40+ shades of 6-Free permanent hair color: Free of ammonia, parabens, resorcinol, PPD, phthalates, and gluten. Their "Uninterrupted Good Hair Service" is a subscription that ensures that you'll always have color when you need it: You select the color and how often you'd like it delivered, for $19.95 per delivery. (For those with long hair, you can add an extra tube for $10.)