NITRO Hair Building Fibers Dark Brown 22g is the perfect solution to add volume and fullness to thinning or fine hair. These natural keratin fibers are designed to blend seamlessly with your hair, providing a thicker, fuller look that lasts all day long.

• Instantly enhances volume and thickness of hair
• Natural keratin fibers for a realistic effect
• Blends perfectly with dark brown hair
• Ideal for thinning or fine hair
• 22g bottle for convenient, easy application