I have mixed feelings about the Bigen Cream Color 4-0 Dark Brown. While it covers my gray hair decently, I didn't find the color to be as vibrant as I had hoped. It's an okay choice, but I'm not sure if I would repurchase.

I've been using the Bigen Cream Color 4-0 Dark Brown for a while now, and I'm satisfied with the results. It's a no-fuss option for covering gray hair, and the color turns out nicely. The smart saving feature is also a nice touch.

The Bigen Cream Color 4-0 Dark Brown is my go-to choice for coloring my hair at home. It's easy to apply, and the color comes out beautifully. The coverage of gray hair is impressive, and being able to save the remainder for future use is a money-saving bonus.

I love how the Bigen Cream Color 4-0 Dark Brown makes my hair look. The color is gorgeous, and it covers my gray hair perfectly. It's super convenient to use, and I appreciate being able to save the leftover product. Highly recommend!

The Bigen Cream Color 4-0 Dark Brown is a reliable choice for covering gray hair. I found the application to be quick and easy, and the color turned out beautifully. The smart saving feature is a great addition too.