This bundle includes one JASON Biotin shampoo and one JASON Biotin conditioner, each bottle is 16 fl. oz. About the Biotin Shampoo Our Restorative Shampoo gently cleanses as it restores healthy strength to weak, damaged hair. The thickening properties Biotin and Vitamin B5Ís revitalize hairÍs elasticity. Ginseng and lavender extracts help repair split ends and minimize future breakage. Fortified with energy, your hair looks healthier and grows stronger. About the Biotin Conditioner Our Restorative Conditioner gently moisturizes as it strengthens and repairs weak, damaged hair. Biotin and Vitamin B5 revitalize vitality and elasticity. Jojoba Seed Oil deeply nourishes your hair while Ginseng and lavender extracts help repair split ends and minimize future breakage. Fortified with energy, your hair appears healthier and grows stronger.