Vanilla contains many antibacterial properties, as well as antioxidants, which aid in the promotion of quicker healing and promotes the regeneration of new cells. Simply apply it directly to the bruised area to diminish the discoloration that was caused by the bruise. You can use vanilla extracts or vanilla essential oil to get the same results, although if you are using vanilla essential oil, it does need to be diluted with water or a carrier oil before you apply it to your skin.