Beards are badass and here to stay. Whether you need an upgrade in the beard maintenance department or you need a hard push to get your beard to grow, we have the solution for you. Wild Willie's Beard Boost serum is packed with no less than two powerful active ingredients to give your face the beard it deserves.  The Dynamo Behind Our Beard Boost Serum  Beard Boost has both the bark and the bite behind its magical beard powers. Infused with caffeine and biotin, this serum acts seriously to promote both hair growth and thickness.  The Power of Biotin  Biotin, or vitamin...