Is Paris Superior Preference hair color safe for sensitive or allergy‑prone scalps?

The dye contains known sensitizers such as p‑phenylenediamine, ammonia, resorcinol and fragrance, which can cause irritation in sensitive individuals; a 48‑hour patch test on a small skin area is recommended before full application, and those with a history of allergic reactions should consider a hypoallergenic alternative.

What is the function of p‑phenylenediamine in this hair dye?

p‑Phenylenediamine is a primary aromatic amine that undergoes oxidation during the dyeing process to form the permanent color molecules that give the hair its chestnut brown shade, while also enhancing color intensity and durability.

How often should the dye be applied and does the product contain any controversial ingredients?

The color is typically applied once for full processing and can be reapplied every 4–6 weeks to cover regrowth; the formula includes ingredients such as ammonia, resorcinol, and fragrance, which are considered controversial by some consumers but comply with cosmetic safety regulations.

L'Oréal • 1 count

Paris Superior Preference 5CB Medium Chestnut Brown Warmer Haircolor

Hair Color

Product Insights

Paris Superior Preference 5CB Medium Chestnut Brown Warmer Haircolor is a L'Oréal professional‑grade hair dye that delivers a warm, medium chestnut shade in a single application. The formula combines a color‑gel base with ingredients such as ammonia, p‑phenylenediamine, resorcinol and a blend of conditioning agents, including a color‑optimizing crème and a post‑color Care Suprême® conditioner, to ensure even coverage, tone lock‑in and added softness. However, the presence of several known sensitizers (p‑phenylenediamine, ammonia, resorcinol, fragrance) and a high proportion of synthetic surfactants and solvents may trigger irritation in sensitive scalps, so a patch test is strongly advised.

Comparative Analysis

Positioned as a premium, at‑home professional hair dye, this medium chestnut ‘warmer’ shade stands out by integrating a color‑optimizing crème and a dedicated post‑color conditioner to boost shine, tone retention, and hair softness compared with standard single‑step dyes.

Ingredients

Color Gel: Aqua/Water, Trideceth-2 Carboxamide MEA, Propylene Glycol, Hexylene Glycol, PEG-2 Oleamine, Polyglyceryl-4 Oleyl Ether, Oleyl Alcohol, Alcohol Denat., Ammonium Hydroxide, Polyglyceryl-2 Oleyl Ether, Oleic Acid, Sodium Diethylaminopropyl Cocoaspartamide, Pentasodium Pentetate, Ammonium Acetate, Fragrance, p-Phenylenediamine, Sodium Metabisulfite, p-Aminophenol, Erythorbic Acid, m-Aminophenol, Resorcinol, 2-Methyl-5-Hydroxyethylaminophenol, 4-Amino-2-Hydroxytoluene, 2-Methylresorcinol, 6-Hydroxyindole, Alpha-Isomethyl Ionone, Eugenol, Linalool, Citronellol F.I.L. #D32585/2, Color Optimizing Creme: Aqua/Water, Hydrogen Peroxide, Cetearyl Alcohol, Trideceth-2 Carboxamide MEA, Ceteareth-25, Glycerin, Pentasodium Pentetate, Sodium Stannate, Tetrasodium Pyrophosphate, Phosphoric Acid F.I.L. #D12836/18, Care Suprême® Conditioner: Aqua/Water, Cetearyl Alcohol, Glycerin, Behentrimonium Chloride, Candelilla Cera/Candelilla Wax, Amodimethicone, Cetyl Esters, Isopropyl Alcohol, Alcohol Denat., Lecithin, Tocopherol, Sodium PCA, Oleth-10, PPG-5-Ceteth-20, Ethylhexyl Salicylate, Trideceth-6, Chlorhexidine Dihydrochloride, Limonene, Camelina Sativa Oil/Camelina Sativa Seed Oil, Linalool, Benzyl Alcohol, Benzyl Benzoate, Phosphoric Acid, Fragrance, Geraniol, Disodium Cocoamphodipropionate, Cetrimonium Chloride, Butylphenyl Methylpropional, Citronellol, Hexyl Cinnamal, Amyl Cinnamal F.I.L. #D158454/4

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