NITRO Hair Building Fibers Black 22g is a revolutionary solution designed to instantly add volume and thickness to thinning or sparse hair. These natural keratin fibers blend seamlessly with your hair, providing a fuller, more youthful appearance that lasts throughout the day.

• Instantly adds volume and thickness to hair

• Natural keratin fibers for a realistic look

• Blends seamlessly with existing hair

• Perfect for thinning or sparse hair

• 22g bottle for convenient use