Nail HardenerNAIL HARDENER Benefits: Strengthens nails and protects them from cracking; Helps moisturize dry skin and nails; It removes yellowness and spots and gives it a clear and beautiful color; Increases blood circulation around the nails and stimulates their growth; Treats nail fungus. how to use: Before bed, put the oil on your nails and the skin around them and rub it on your nails than leave it overnight; Use daily for better results; It is best not to