Immortal NYC Hair Building Fibers & Locking Spray 2-in-1 Set - Black For fuller, natural-looking hair instantly, the Immortal NYC Hair Building Fibers & Locking Spray 2-in-1 Set is your ultimate solution. Specially designed for thinning or sparse areas, this set includes 20g of Hair Building Fibers in black and a 150ml Fiber Locking Spray to secure fibers in place. The lightweight, keratin-infused fibers blend seamlessly with your natural hair, providing fuller coverage and volume that looks completely realistic. The Locking Spray enhances durability, ensuring the fibers stay in place all day, even through humidity and light activity. Perfect for a confidence boost or a special occasion, this 2-in-1 set provides a natural, undetectable solution to thinning hair. Key Benefits: Adds instant volume and coverage for thinning areas Keratin fibers blend naturally for a realistic look Locking Spray enhances hold and longevity Easy to apply and lasts throughout the day How to Use: Apply the Hair Building Fibers to dry hair, focusing on sparse areas. Follow with the Locking Spray to secure fibers and maintain your style.