1. Blood Flow ~ facial hair tends to grow thickest where the blood flows more generously. You can achieve this by doing facial exercises
2. Exercise ~ Exercising will not only increase blood flow but also amp up testosterone levels, which are associated with beard growth
3. Diet ~ A high-protein diet with plenty of fruit and vegetables also helps
4. Sleep ~ Getting 7-9 hours of rest per night is crucial
5. Stress ~ This can actually lead to hair loss! Try meditating and relaxing.