My Secret Correctives™ Hair Enhancing Fibers add color and texture to thinning hair. Shake-on application. For additional coverage and volume use with My Secret Hair Enhancer spray. Fibers cling to your hair for a thicker look. Shampoos out. Set your style with My Secret Hair Finishing Touch for hair that looks great all day! My Secret Correctives™ Hair Enhancing Fibers are manufactured in the USA for men and women who desire thicker-looking hair.