GROW® Maximum XXL Hair & Beard Growth Accelerator GROW® Maximum XXL Hair & Beard Growth Accelerator is hands down the best beard growth oil for growth and thickness. It fills patches, increases hair follicle density, jumpstarts new, healthy growth, and helps you grow a FULL man mane… all while soothing and calming your skin during the process to prevent the itch and irritation that often come along with new beard growth. Nothing makes a man more confident than having a clean fresh Hair and Beard. Take them all to the next level with our "1GROW® Maximum XXL Hair & Beard Growth Accelerator". Jump Start New Growth: Fix hair thinning, receding hairlines, and grow a great beard FAST with GROW. It’s the first hair growth serum made with premium organic ingredients in optimized doses to give you up to 218% increased hair growth—so you can get the hair and beard you’ve always wanted. Accelerate Your Growth Rate 5X: GROW accelerates your growth rate faster than the leading medicated ingredient. We formulated this hair growth oil based serum to support circulation for optimum strand nourishment. That's why other hair growth products for men don't make the cut.