Piz-zaz gives you thick natural looking hair in no time- By shaking the Hair Building Fibers over problematic areas of the head, the fibers grip onto existing hair to add an extra thickness and fullness to any hair type-The secret lies with the Piz-zaz Natural Keratin Protein Fibers-a breakthrough in cosmetics that gives you thick natural looking hair in no time By shaking the Hair Building Fibers over problematic areas of the head, the fibers grip onto existing hair to add an extra thickness and fullness to any hair type no matter how thin- In just a few short minutes, watch as visible scalp disappears and is replaced by a thick natural hair fibers- Unlike other brands and methods, the natural organic proteins deep within the Keratin Building Fibers are sturdy and strong and will last through wind, rain, and perspiration- And no worries.