Bigen Easy Color Permanent Hair Dye, #1B Intense Black, 2.82 Oz. Bigen Easy Color Permanent Hair Dye in the shade #1B Intense Black is a convenient and effective way to achieve a bold and rich black hair color. The kit includes everything you need for easy application, and the dye is formulated with nourishing ingredients like aloe and olive oil to help condition and protect your hair. With its long-lasting formula, the color stays vibrant and true for weeks. The ammonia-free formula minimizes damage to your hair while still providing excellent coverage and color payoff. Whether you want to cover grays or simply change your hair color, Bigen Easy Color Permanent Hair Dye in #1B Intense Black is a reliable and easy-to-use option.