To apply lip balm effectively, start with clean lips, choose the right type, clean your hands, apply a small amount, apply evenly, and use a lip liner if needed. Press your lips together to spread the balm evenly. Reapply as needed, especially after eating or drinking, depending on your lips' dryness and the type of lip balm. Consider applying a more hydrating or treatment-based lip balm before bedtime for overnight nourishment. Avoid licking your lips, as saliva can further dry them out.