Our nail repair pens contain tea tree oil, vitamin B7, and Jojoba seed oil. It can promote nail growth and strengthen nails, lock in moisture on the nail surface, and reduce nail dryness and breakage. Its use method is simple: 1. Twist the tip of the pen until the essence comes out; 2. Brush it onto each nail and the skin around it; 3. Massage gently to absorb. Nail repair pen Repair nails, soft nails, thickening gray nails, clean nails.