Fungus infections are becoming more common. Why? Because most people don't eat foods that provide them with a full variety of nutrients. How can you keep your nails and skin in good shape and boost nail keratin growth without much work? If you have toenail fungus or brittle nails, try a supplement that treats the cause. Kerassentials Oil fights fungal infections and keeps nails and skin healthful. Kerassentials uses only natural essential oils to improve quality. It helps your nails grow by supplying them with vitamins and has long-lasting effects. This product is created by fungal disease expert Dr. Kimberly Langdon. She wanted to make a natural nail fungus-fighting solution. She spent years doing research to find the best liquid to treat toenail fungus.