Nioxin Density Defend Diamax Advanced Serum is designed to instantly increase hair thickness. Its advanced technology works directly on the hair fiber to improve visible density and deliver long-lasting volume. Hair appears thicker, stronger and fuller after application. Helps increase visible hair thickness Adds volume and density to the hair Leaves hair looking fuller and stronger HOW TO USE Apply to clean, damp hair. Distribute evenly on the scalp and lengths and massage gently. Do not rinse and style as usual. INGREDIENTS ALCOHOL DENAT., AQUA/WATER/ EAU, NIACINAMIDE, PEG/PPG-20/23 DIMETHICONE, CAFFEINE, ACRYLATES/C10-30 ALKYL ACRYLATE CROSSPOLYMER, PARFUM/FRAGRANCE, GLYCERIN, TETRAHYDROXYPROPYL ETHYLENEDIAMINE, MENTHA ARVENSIS LEAF OIL, MENTHA PIPERITA (PEPPERMINT) OIL, PEG-30 DIPOLYHYDROXYSTEARATE, BENZYL SALICYLATE, HEXYL CINNAMAL, TRIDECETH-6, ALPHA-ISOMETHYL IONONE, LIMONENE, LINALOOL, CITRONELLOL.