Diaboost immediately provides denser looking hair. Already after the first application, the hair is easier to manage, looks fuller and noticeably denser.hair thickening treatment for thinning hair.immediately easier to shape, denser, fuller looking hairprotects against hair breakage and makes hair grow longerDiameter boosterApplication: Apply to cleansed, damp hair at the roots and massage briefly. Comb through hair and style as usual. For best results, use daily on damp or dry hair. Complement your NIOXIN 3D Diaboost treatment with the 3D care systems from NIOXIN.