White hair is characteristic of aging, but colorless hair strands can appear at any age — even while you're still in high school or college. Learn why this happens and what you can do to prevent... Learn how to stop white hair from growing with natural remedies, diet tips, and stress management strategies. Discover how to prevent white hair and maintain healthy, vibrant hair for longer. Concerned about white hair at a young age? Learn the causes of white hair and discover effective solutions to manage and prevent it for healthier hair. White hair growth happens in young and older adults. It is best to use natural remedies and the right products for how to stop white hair.