Today marks the official launch of Arey, a new hair care brand out to address the age-old problem of greying locks. But this new brand—co-founded by Allison Conrad, former president of Blushington, and hair stylist Jay Small— is tackling the issue without hair dye.   Instead, Arey offers a patent-pending, proprietary supplement called Not Today, Grey.  Company executives say it is the first supplement on the market designed to slow hair color loss, supporting healthy melanin production by reve...