Bigen Semi Permanent Hair Color in Dark Brown is the perfect solution for those looking for long-lasting, natural-looking color without the harsh chemicals. Its unique powder-to-liquid formula is activated with water to open the hair's cuticle, allowing the color to penetrate deeply and evenly, resulting in rich and vibrant color that covers even the most stubborn gray hairs. This deposit-only color is proven to last up to six weeks and is the gentle choice for color that is safe and easy to use.