Features 1. **Strengthens and Nourishes**: Our Nail Care Pen is infused with glycerin and panthenol, providing deep nourishment to strengthen nails and prevent brittleness, ensuring healthier nails for hands and feet. 2. **Promotes Nail Growth**: Formulated with calcium pantothenate, this treatment promotes nail growth and vitality, helping you achieve longer, stronger nails over time. 3. **Easy Application**: The convenient pen design allows for simple application. Just twist the bottom to dispense the product onto the brush, making nail care effortless and mess-free. 4. **Enhanced Shine**: Instantly enhances the natural shine of your nails, giving them a polished and healthy appearance that stands out. 5. **Dual Treatment System**: For optimal results, alternate between our biotin hardener and calcium hardener every night for 6-8 weeks, ensuring comprehensive care for your nails. Our nail care pens contain glycerin, calcium pantothenate and panthenol. It strengthens nails and prevents them from becoming brittle. Promotes growth and stores vitality. Deep nourishes and improves dry nails. The way to use it is simple: before using, twist the bottom half of the pen until you see the product on the brush. Alternate the use of biotin hardener and calcium hardener on your nails every night for at least 6-8 weeks. The unique formula makes nails stronger and less damaged; Instantly increases the natural shine of your nails.