one bottle of black hair dye shampoo

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✅ How to Use the Black Hair-Dye Shampoo

These steps apply broadly — always follow the exact instructions on the product you buy, since formulae vary.

1. Patch test & prepDo a patch test 24 hours before applying to your full scalp to check for any allergic reaction. Moxie Beauty+1Avoid washing your hair just before the application (best to let natural scalp oils build up for 24–48 hours if possible) — this helps the colour deposit more evenly. Moxie Beauty
2. Apply shampooWet your hair (or as specified by your product — some require slightly damp / some dry) and comb it through to remove tangles. Deemark+1Wear gloves if the product can stain skin.Take appropriate amount of the product, apply to scalp and hairline first (if grey-coverage is your goal) then work through to the tips. Hair Energy by Ayesha Sohaib+1
3. Let it sitLeave the product on your hair for the time specified (often 5–10 minutes) so that the colour depositing ingredients can act. - SEVICH OEM Hair Care Supplier+1Avoid leaving too long unless the instructions allow — over-processing may cause undesired tone or irritation.
4. Rinse thoroughlyRinse with lukewarm water until the water runs clear (or clears as per product). Hot water may open the cuticle and make colour fade faster. Real Simple+1After rinse, you may apply a condition­er designed for colour-treated hair (if the product instructions permit).
5. Style & aftercareAfter the treatment, allow hair to dry and style as usual.Avoid immediate heavy heat styling right after the colour-shampoo application (give hair some recovery time) so as to protect colour and hair health.

🛡️ After-care & Maintenance Tips to Extend Colour Life

Once you've coloured with the shampoo, your hair care between washes will determine how long the rich black or dark tone stays vibrant.

• Use colour-safe shampoos: Between colour applications, use shampoos and conditioners formulated for colour-treated hair (ideally sulphate-free) so you’re not stripping the pigment. Moxie Beauty+1
• Wash less frequently: The less you wash, the slower the fade. Try to limit washing to 2-3 times a week if possible. Byrdie+1
• Cooler water: Rinse with cooler or lukewarm water rather than hot to help seal the hair cuticle and lock pigment in. Real Simple+1
• Protect from heat & sun: Use heat protectant sprays if you style with hot tools; also shield hair from UV exposure with hats or UV-protectant sprays because sun and environmental exposure can speed colour fading. Hair Energy by Ayesha Sohaib+1
• Avoid harsh chemicals / pool chlorine for a while: Chlorine and strong chemical treatments (e.g., bleaching) can impact the newly deposited colour. Wait some time before exposing your hair to such. Real Simple
• Deep condition regularly: Colour-treated hair may need extra nourishment because the depositing process may slightly change hair texture or health (especially if repeated). Use masks or leave-in conditioners for maintenance.

⚠️ Things to Avoid / Mistakes to Watch Out For

• Applying the product to very wet hair may dilute it and give uneven results. - SEVICH OEM Hair Care Supplier
• Leaving the colour-shampoo on longer than recommended can risk too-dark result or uneven tone.
• Skipping the patch test — risk of allergic reaction or unexpected colour result.
• Using standard shampoo after colouring too quickly — give the colour time to set (ideally wait 24-48 hours before full shampoo after the colour application) to lock pigment. Byrdie
• Using hot water immediately after colouring or doing heavy heat styling right away — colour may fade faster or hair may be more fragile.