Which one should I use on my head?

The Black Hair Dye Shampoo. It is a scalp shampoo for gray hair. The Mokeru is a beard dye.

The Black Hair Dye Shampoo is described as long-lasting with instant coverage. The Mokeru is semi-permanent, so it fades over time.

Is the Mokeru worth the extra dollar?

Only if you are dyeing a beard. It costs $19.99 at Amazon as of November 7, 2026 for 200 ml, while the Black Hair Dye Shampoo is $18.99 at Walmart as of November 7, 2026 for 500 ml.

Can I use the Black Hair Dye Shampoo on a beard?

It is formulated for the scalp and marketed to women, so it is not the right pick for beard hair. Use the Mokeru for a beard.

How much product do I get?

500 ml in the Black Hair Dye Shampoo and 200 ml in the Mokeru.

Is either one permanent?

No. The Black Hair Dye Shampoo gives instant color described as long-lasting, and the Mokeru is semi-permanent.

Black Hair Dye Shampoo 3 in 1 for Gray Hair vs Mokeru Beard Dye Shampoo

These are different products for different jobs. The Black Hair Dye Shampoo is a 500 ml scalp shampoo for women covering gray hair; the Mokeru is a 200 ml semi-permanent beard dye. Buy the Black Hair Dye Shampoo for gray hair on the head, and the Mokeru for a beard. On price they are close: $18.99 at Walmart as of November 7, 2026 versus $19.99 at Amazon as of November 7, 2026, so the Black Hair Dye Shampoo costs $1 less and gives you 2.5 times the volume.

Today the Black Hair Dye Shampoo 3 in 1 for Gray Hair costs $1.00 less at its best price.

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