Beard growth serum is the new age elixir for healthier and fuller beard growth. Following is the ultimate guide to beard serum: What you need to know? Benefits Grow new hair: beard growth serum contains active ingredients to stimulate hair follicle, which gives rice to the growth of new hair strands. Nourishment and hydration: Beard serum helps to maintain the hydration of beard and the skin beneath and also gives adequate amount of nourishment to your beard and skin. Relief from beard issues: Beard serum helps in getting rid of beard issues like: itchiness, patchiness, beard dandruff and frizzy beard.