With Biotin, Collagen & Coffee Tri-level Thickening Complex (Volumize • Strengthen • Fortify) Free of: sulfates, parabens, phthalates, gluten, drying alcohol and artificial colors. Transform fine, flat strands into fabulously fuller hair! This shampoo works on three levels to help deliver volume-featuring biotin to help hair look thicker, collagen to fortify locks, and coffee to help boost strands. Go big or go home!