Our nail repair liquid is carefully formulated with glycerin and allantoin. Designed specifically for effective sterilization and inhibition of fungal growth. The usage method is extremely convenient: 1. Soak your feet or hands in warm water to soften your toenails. 2. Trim your nails well and then wipe off the dirt on them. 3. Take an appropriate amount of this product and apply it evenly to your nails. Wait until it is fully absorbed and then dry completely. And it can reach deep into the root of the nail, promote healthy nail growth and repair damaged tissues.