The Meidu 3in1 Hair Dye Shampoo in Dark Brown is a versatile product that combines the functions of shampoo, conditioner, and hair dye all in one. This 16.9 fl oz bottle provides a convenient and easy way to achieve a darker brown color while cleansing and conditioning your hair. With this product, you can simplify your hair care routine and achieve a beautiful dark brown tint effortlessly.