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Baths with iodine for the weak and brittle nails
1 tbsp. l. baking soda 10 drops of iodine, 1 cup of water. Soda dissolved in hot water, adding iodine, the resultant composition is immersed in the fingertips for 15 minutes. For best results, the bath should be done every day for 2 weeks. After that you need to do a week break and resume treatment.