Is Excellence Creme Ultra 4.11 Ash Brown suitable for sensitive or allergy-prone scalps?

The product contains ammonia (ammonium hydroxide), fragrance and several aromatic amines that can irritate sensitive skin, so a 48-hour patch test is advised and it may not be ideal for very sensitive or allergy-prone users.

What function does ammonium hydroxide serve in the Excellence Creme Ultra hair-color system?

Ammonium hydroxide raises the pH of the hair shaft, opening the cuticle so that the oxidative dye molecules can penetrate and develop the ash-brown color; it also helps the developer activate the peroxide.

How often can the Excellence Creme Ultra 4.11 be used without compromising hair health?

Hair-color treatments are typically spaced 4 to 6 weeks apart; using the cream more frequently can increase dryness, breakage and scalp irritation due to repeated oxidative stress.

L'OREAL NORGE AS

Excellence Creme Ultra 4.11 Ash Brown

Beauty

Product Insights

Excellence Creme Ultra 4.11 Ash Brown, a L'Oreal hair-color cream marketed in Norway, is a professional-grade oxidative formula composed of a color base (including pigments such as titanium dioxide and CI 77891) and a developer system containing hydrogen peroxide, ammonium hydroxide, and a range of conditioning agents like cetearyl alcohol and dimethicone. The blend of color-depositing agents (e.g., resorcinol, 2-methylresorcinol, m-aminophenol) and conditioning ingredients provides long-lasting ash-brown shade while helping to maintain hair softness and manageability. However, the formulation also includes several potential irritants - ammonium hydroxide, resorcinol, toluene-2,5-diamine, fragrance, and nano-silica - so a patch test is recommended for sensitive scalps.

Comparative Analysis

Positioned as a premium at-home hair-color solution, Excellence Creme Ultra 4.11 Ash Brown combines a high-strength oxidative developer with a conditioning base, targeting consumers who want salon-quality ash-brown results without professional visits.

Ingredients

1207288 - FARVECREME / FÄRGCREME / VÄRIVOIDE: AQUA / WATER, CETEARYL ALCOHOL, PROPYLENE GLYCOL, DECETH-3, LAURETH-12, AMMONIUM HYDROXIDE, OLETH-30, HEXADIMETHRINE CHLORIDE, LAURIC ACID, GLYCOL DISTEARATE, TOLUENE-2,5-DIAMINE, POLYQUATERNIUM-22, RESORCINOL, ETHANOLAMINE, SILICA DIMETHYL SILYLATE [NANO] / SILICA DIMETHYL SILYLATE, CI 77891 / TITANIUM DIOXIDE,2,4-DIAMINOPHENOXYETHANOL HCl, m-AMINOPHENOL, ASCORBIC ACID, SODIUM METABISULFITE, THIOGLYCERIN,2-METHYLRESORCINOL, DIMETHICONE, PROLINE, CARBOMER, THREONINE, EDTA, PARFUM / FRAGRANCE. FIL C202149/1 1152439 - FREMKALDER/FRAMKALLARE/KEHITE: AQUA / WATER, HYDROGEN PEROXIDE, CETEARYL ALCOHOL, SODIUM SALICYLATE, TRIDECETH-2 CARBOXAMIDE MEA, PHOSPHORIC ACID, CETEARETH-25, TETRASODIUM ETIDRONATE, TETRASODIUM PYROPHOSPHATE, GLYCERIN. FIL C202318/2 1241644 B - POST COLOR SHAMPOO: AQUA / WATER, SODIUM LAURETH SULFATE, COCAMIDOPROPYL BETAINE, DIMETHICONE, SODIUM CHLORIDE, PARFUM / FRAGRANCE, HEXYLENE GLYCOL, CITRIC ACID, SODIUM BENZOATE, SODIUM HYDROXIDE, AMODIMETHICONE, CARBOMER, GUAR HYDROXYPROPYLTRIMONIUM CHLORIDE, TRIDECETH-10, GLYCERIN, SALICYLIC ACID, GLYCOL DISTEARATE, MICA, LINALOOL, HEXYL CINNAMAL, PEG-100 STEARATE, STEARETH-6, PHENOXYETHANOL, ISOEUGENOL, COCO-BETAINE, TRIDECETH-3, CI 77891 / TITANIUM DIOXIDE, BENZYL ALCOHOL, ACETIC ACID, FUMARIC ACID, CI 60730 / EXT. VIOLET 2. FIL C248857/1 1241648 - HÅRMASKE/INPACKNING/HIUSNAAMIO: AQUA / WATER, CETEARYL ALCOHOL, BEHENTRIMONIUM CHLORIDE, AMODIMETHICONE, ISOPROPYL ALCOHOL, PHENOXYETHANOL, CI 60730 / ACID VIOLET 43, BENZOIC ACID, TRIDECETH-6, POTASSIUM HYDROXIDE, LINALOOL, HEXYL CINNAMAL, CETRIMONIUM CHLORIDE, ISOEUGENOL, BENZYL ALCOHOL, PARFUM / FRAGRANCE. FIL C247697/1

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