The colored keratin protein used to make Toppik Hair Building Fibers blends inconspicuously with existing hair strands to give the appearance of naturally full, thick hair right away. fills in thinning areas instantly. hides the loss of hair makes thin hair appear incredibly full and thick. Excellent as a touch-up for the roots between colorings For long-lasting effects in any situation, resist wind, rain, and perspiration. Warning Signs: Quit Using Indications: Stop using if rash or irritation develops. Instructions: Suitable for both genders. Apply to hair that is dry. Shake well into areas that are becoming thinner. To spread out the fibers, gently pat your hair. As usual, style. After that, use Toppik FiberHold Spray for added durability. Regarding TOPPIK Fibers for Hair Building When fine, thin, or thinning hair is treated with Toppik Hair Building Fibers, it appears instantly thicker and