EASY TO USE & QUICK TO BUILD: Our Nail Extension Gel takes just 3 minutes to create a beautiful nail extension and if used properly, it can last up to a month or so. With the detailed instructions on the listing page and in the box, even a beginner can easily create a beautiful and durable nail extension. We care about you: a skin test is mandatory before use. Skin contact may cause allergic reactions. Read the instructions for use carefully. For nails only. Avoid contact with eyes, mouth and skin. If product comes into contact with them, rinse them immediately. In the event of any accident, contact a doctor immediately. Keep out of reach of children.