Black Bar Soap is the provided product name. The accompanying description discusses a gray-hair shampoo rather than a bar soap, so no bar-soap ingredients or instructions can be confirmed. The supplied shampoo information is summarized below for transparency.
Provided Gray-Hair Shampoo Details
Natural-color alternative to hair dye: Intended to help you return to your natural hair color and welcome back its youthful vibrancy without relying on hair dye.
Natural ingredients, no harsh chemicals: Made with natural ingredients and described as free from harsh chemicals, offering a gentle approach to caring for your natural hair color.
Gentle, gradual gray-hair removal: The shampoo is designed to gently and gradually remove gray hair for a natural-looking change.
Simple directions: Wet your hair, apply the shampoo directly, and massage gently into your scalp for 2–3 minutes. Rinse off the foam with warm water.
Versatile use: In addition to hair, the described shampoo can be used on beards and eyebrows.
