This means that it can moisturize the skin and nail beds. You can replenish your healthy bacteria levels with superfoods like fermented foods and cultured vegetables such as sauerkraut, kimchi, and other fermented foods. Fungal infections are more common among the toenails. Fungal nails can develop in the nails first, and may not cause infection of the skin. The laser's beam passes through the entire nail. This substance is rich in antioxidants, which are good for your skin and nails. Despite this problem being common, few people know what flat feet look like.