Do you have dark brown hair and brown eyes ... See, we like to think there’s a rainbow of eye color options out there—violet, blue, gray, hazel, green, brown, near-black—but scientists ...

Or can you reverse gray hair and return to your original color? To find out, we tapped dermatologists Sara Perkins, M.D., and Iris Rubin, M.D. Not only did they let us in on whether it's possible ...