Is the Effaceur de coloration safe for sensitive scalps or dry hair?

The formula is ammonia-free, which reduces harshness, but it contains preservatives (phenoxyethanol, chlorphenesin), fragrance, and surfactants that can irritate sensitive skin; a patch test is recommended and users with known scalp sensitivities should proceed with caution.

What does Sodium Oxymethylene Sulfoxylate do in this hair color remover?

Sodium oxymethylene sulfoxylate acts as a reducing agent that breaks down the chromophores in oxidative hair dyes, allowing pigment molecules to be lifted from the hair shaft; it works in the activator phase to initiate the bleaching process without the need for ammonia.

How often should the color remover be applied and does it contain any controversial ingredients?

The system is intended for a single treatment per dye-removal session; the activator and remover phases are mixed and applied for the time indicated on the package (usually 5-15 minutes), after which the corrective phase can be used if needed. The formulation includes preservatives (phenoxyethanol, chlorphenesin) and synthetic colorants (CI 42090, CI 19140) that some consumers consider controversial, so follow the instructions and rinse thoroughly.

ColourB4 • 3 * 60 ml

Effaceur de coloration

Hair

Product Insights

The Effaceur de coloration is an ammonia-free, three-phase hair-color removal system from ColourB4, sold in 3 × 60 ml containers and designed for use on dyed hair. Its formulation combines an activator (sodium oxymethylene sulfoxylate, hydroxyethylcellulose, Polysorbate 80), a remover phase with citric acid, Cetearyl Alcohol and surfactants such as Sodium Coco-Sulfate, as well as a corrective phase containing silicone (PEG-12 Dimethicone) and several synthetic dyes for tone adjustment. While the product offers rapid dye stripping without harsh ammonia, it also includes potential irritants like phenoxyethanol, chlorphenesin, fragrance and synthetic colorants, which may cause scalp sensitivity in prone users.

Comparative Analysis

Positioned as an ammonia-free, multi-step hair-color remover, this product targets salons and DIY users seeking a fast, professional-grade fade while offering tone correction, setting it apart from single-phase bleaches that often require harsher chemicals.

Ingredients

Activateur - Flacon A : Aqua, Sodium Oxymethylene Sulfoxylate, Hydroxyethylcellulose, Polysorbate 80, Phenoxyethanol, Glycerin, Chlorphenesin. Effaceur - Flacon B : Aqua, Citric Acid, Cetearyl Alcohol, Hydroxyethylcellulose, Phenoxyethanol, Glycerin, Polysorbate 80, Cocamidopropyl Hydroxysultane, Parfum, Chlorphenesin, Sodium Chloride, Tetrasodium EDTA, CI 42090, CI 19140 Correcteur - Flacon C : Aqua, Sodium Coco-Sulfate, Glycerin, Cocamidopropyl Betaine, Disodium Phosphate, Phenoxyethanol, Sodium Chloride, Decyl Glucoside, PEG-12 Dimethicone, Parfum, Sodium Lauryl Glucose Carboxylate, Lauryl Glucoside, Chlorphenesin, Sorbic Acid, CI 16035

84%

35%

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