Difeel Rosemary & Mint Hair Oil 7.1 fl ozROSEMARY MINT OIL: A Strengthening & Nourishing formula, our Difeel Rosemary & Mint Hair Oil is infused with nourishing Biotin. Biotin plays an important role in the health of your hair, skin, and nails. A lack of Biotin can lead to hair loss.HAIR OIL WITH MINT AND ROSEMARY: Our Strengthening Hair Oil repairs dry and damaged hair to improve overall hair strength and growth.