Our nail repair pens contain glycerin, Jojoba oil, vitamin B12. It nourishes the skin around your nails, keeping them strong and beautiful. Its use method is very simple: twist the pen to let the repair oil flow out; Apply the oil evenly to each nail and surrounding skin; Gently massage the area for optimal absorption. Nail repair pens enhance the natural shine of nails and bring them to life. This product is compact and easy to carry.