Hairastase Premium Hair Building Fibers are made of green tea and keratin particles that magnetically adhere to your existing hair turning it thicker and fuller to instantly reduce the visibility of your scalp. 

• Conceal hair loss in seconds.
• Turn hair thicker and fuller.
• Works for all hair types and textures.
• Can be safely used after a hair transplant surgery.
• Wind rain and perspiration resistant.
• 8 colors available. The unique color-match formulation allows our fibers to be completely undetectable and to blend with your natural or dyed hair color. 

For men:

• Top of the head
• Thinning on the crown
• Hair loss on the sides

For women:

• Wide hair-part
• Receding hairline/ponytail
• Cover hair extension tracks/clips
• Hair loss at the crown

What else you need to know:

Our Premium Hair Fibers resist wind, rain, and perspiration for long-lasting results in all conditions. Available in eight shades that can be mixed to match virtually any hair color, Hair Fibers work for all hair types and textures. Also great for part lines, covering extension tracks and touching up roots between hair color appointments. Easily washes out with shampoo.