Transforms fine hair into thicker, fuller looking hair. This ultra lightweight thickening spray transforms fine, limp hair into thicker, fuller stronger hair. Specially formulated not to weigh hair down. Samy's exclusive FH4 Thickening Complex - a blend of natural extracts and proteins penetrate each hair strand's diameter and expands the hair from the inside out. The result thicker, stronger, luxurious and healthier looking hair. Made in USA.