16 Homemade DIY Beard Oil Recipes to Grow it FAST 2. Homemade Beard Oil Recipe. This non-greasy beard oil recipe hosts the perfect combination of fatty acids and vitamins to ensure hair grows healthy and in one direction. Here's the recipe. 3. DIY Beard Oil Recipe With Coconut Oil. Coconut beard oil is apt as a leave-in conditioner that locks in moisture and tames unruly hair.