Graham also had the same problem, except he had brittle nail. Treatment is generally successful, however, treatment fails for 20% to 25%. Lemongrasses, tall grasses, are native to tropical areas around the globe. This oil is used in many culinary arts, and it is also used in aromatherapy to reduce stress. The ingredient can also be transformed into Larginine. Back to the top If home remedies fail to work or the nail becomes brittle or painful, you should see a doctor. The laser light passes through your toenail and does not cause any damage to your nail or surrounding skin. Fungal infections can also cause reddening and inflammation of your skin and nails. The brush applicator can be used to ensure that oil is only applied on the affected areas. They can cause irritation to the skin by causing burning, stinging and swelling. As with many of these options it is necessary to gather more large-scale data in order to determine its effectiveness.