Apply only on the nail, is only for external use. Wash your hands and/or feet before apply the product. Apply once a day for 6 months The Necessary Amount Of Nail Polish in the nail engrosada, covering the entire surface of the same. Let it dry for 1 or 2 minutes. As the urea is soluble in water, it is preferable to apply the product by the night before bedtime to stay in the nail the maximum time possible. Allows the use of a quitaesmaltes once a week to remove the layer of nail polish of the surface of the nail, which ultimately could do not penetrara active principle of the product. Seal the bottle after use. Avoid that the nail lacquer is deposited in the neck of the bottle as this could prevent the airtight seal of the same. Precautions and Warnings: Do not use if the packaging is damaged. Maximum temperature of + 40 °C. Action and Description: Recommended for the topical treatment of the Bulge of the nails of the hands and/or feet due to psoriasis. CE marked. Class I.