product deCaigaibai Hair Dye Shampoo, a "3-in-1" signed to color, cleanse, and condition hair in a single step. It is frequently used for quick, at-home gray hair coverage.

Key Features

3-in-1 Action: Combines hair dye, shampoo, and conditioner.
Herbal Ingredients: Formulated with botanical extracts like ginseng, ginger, black sesame, and Polygonum multiflorum to nourish hair while coloring.
Duration: The color typically lasts between 3 to 4 weeks.
Available Shades: Commonly comes in Natural Black, Dark Brown, Chestnut Brown, and Wine Red.

How to Use
Preparation: Do not wash your hair immediately before use; natural oils help protect the scalp. Wear gloves to prevent skin and nail staining.

Application: Apply the shampoo evenly to dry or slightly damp hair (check your specific bottle's instructions as some variations differ).

Massage: Massage thoroughly from roots to tips to ensure full saturation and create a lather.
Waiting Time: Leave it on for 15–25 minutes. For stubborn gray hair, you may need to wait up to 45 minutes.
Rinse: Rinse thoroughly with lukewarm water until the water runs clear.

Safety Precautions
Patch Test: Always perform a skin allergy test 48 hours before the first use by applying a small amount behind the ear.
Avoid Sensitive Areas: Do not use on eyebrows or eyelashes, as this can cause serious injury or blindness.
Scalp Health: Do not use if your scalp is irritated or wounded