Will this remove black hair dye and is this good for thick-coursed hair?

You might need 2 boxes for thicker hair but it should help remove black. Black and red are harder to remove but the extra strength removed my red.

I'm growing out my natural grey. If i use on the dark brown will it ruin my natural color coming in?

Same reason I tried it. Didn't damage new hair but didn't take out old color either. No harm, no help.

You can apply the products with your hand (with the thin gloves that come with the product) or you can use a hair color brush. I liked using my hands because you want to feel that it is fully saturated and gently work it into your hair. If you have more layers of dye at the bottom of your hair start there, but if you just have one even layer of dye on your hair, it is easiest to section hair in 3-4 sections and go top-bottom from the lowest section to the top of head. Use all of the product...hair totally saturated. No need to apply to new growth at the roots. Hope that helps! Leave on for the full time and rinse it out for 30-40 mins. I know it is crazy to start in the shower for 40 mins, but trust me it makes a big difference on results!

Hola tengo el pelo color café y lo quiero rubio pero no me quiero decolorar esto me lo aclarará ?

Si te va aclarar pero no tanto como un decolorante

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Extra - Colour eraser “Packaging may vary”

Product ID: 254268431

Details

Brand
Colour B4
Colour
[NU]
Item form
Liquid
Package information
Bottle
Product benefits
Hair Color

⚡Extra intensity formula

♻️Safe & effective color removal

🛡️Preserves natural hair pigment

11912F

Duties & taxes included

In stock

Sold byAmazon French PolynesiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎨 Undo your hair color regrets—reclaim your natural vibe!

TRUSTED PROVEN - A top-ranked solution since 2012, loved by professionals and millennials alike.
FAST ACTING FORMULA - Experience visible results quickly without harsh chemicals.
NATURAL HAIR SAVIOR - Keeps your original hair pigment intact—no damage, just pure restoration.
SLEEK NEW PACKAGING - Modern design that fits perfectly in your beauty arsenal.
POWERFUL COLOR CORRECTION - Erase dark dye mistakes with precision and ease.

Colour B4 Extra is a leading hair color remover designed to safely and effectively eliminate dark dye errors while preserving your natural hair pigment. With a powerful, fast-acting formula and refreshed packaging, it offers a trusted solution for professionals and style-conscious millennials seeking flawless hair correction.

Specifications

Asin	B003IPTTLA
Best Sellers Rank	#1,756 in Permanent Hair Color
Date First Available	6 August 2012
Is Discontinued By Manufacturer	No
Item Model Number	SC103
Language	French
Manufacturer	ColourB4
Product Dimensions	8.5 x 7 x 16 cm; 274 g

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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Smooth transaction and product arrived in perfect condition.

3 weeks ago

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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