American Crew Beard Serum With proper beard care course includes a beard serum. American Crew Beard Serum is, as the name suggests, designed for the beard.This intensive hydrating serum everyday computing can be used and is designed specifically for dry and lifeless hair beard.American Crew Beard Serum has a moisturizing blend of oil and a serum that makes the beard soft and shiny. Any split ends are prevented and the beard gets a full healthy glow.