Hairitage Length Check! Biotin Infused Conditioner is an ultra-nourishing conditioner that helps moisturize, and revive dry, damaged and dull strands for soft, manageable hair. Formulated with good-for-you ingredients such as Biotin, Jamaican Black Castor Oil, and Marshmallow Root, it helps reduce the appearance of breakage for visibly longer, stronger and thicker hair.