• Uses 460nm blue light that penetrates to the damaged nail bed, helping to restore nail health and improving thickness and color. • Safe for a wide range of people, as the light only acts on the problematic area without the risk of burning tissue. • Easy to carry and use. Requires determination and perseverance to see long-term results. • Economical and simple to use. Keep your nails short and clean before using the device. Place it on your fingers or toes and wait 7 minutes until it turns off automatically. • Recommended for early use. Use the device for 7 minutes, twice a day, for 3 months to see significant improvements. • Safety warning: Avoid looking directly at the laser irradiation. Keep the device out of reach of children and use it under adult supervision if you are a minor.