L'Oreal Paris Superior Preference Permanent Hair Color — Cool Darkest Brown 3C, Fade-Defying Shine & Gray Coverage (1 Kit)

This at-home hair color kit combines a translucent gel dye with a conditioning developer and Shine Protect Conditioner to create even, radiant color and improved hair feel. The formula is designed to adhere to hair without dripping, includes gray coverage, and features a UV filter plus Vitamin E in the conditioner to help maintain first-day vibrancy. Everything needed for one application—color gel, developer crème, conditioner, gloves and instructions—is included.

How does this shade deliver long-lasting radiance?

The Superior Preference system pairs concentrated long-lasting dyes with a conditioning gel base that coats the hair fiber, minimizing premature fading. The Shine Protect Conditioner seals the cuticle and contains UV-filtering ingredients to help preserve color reflectance. Together these steps support up to nine weeks of color vibrancy, depending on hair type and care routine.

• Translucent gel dye for even coverage and better adherence
• Concentrated long-lasting pigments for sustained depth
• Vitamin E-infused Shine Protect Conditioner with UV filter
• No-drip texture for more precise application and reduced mess

Will Cool Darkest Brown 3C cover gray hair effectively?

Yes — the permanent formula is formulated to provide reliable gray coverage when mixed and applied according to instructions. The conditioning elements in the kit help the dye penetrate and fuse with the hair, producing uniform color from root to tip. For best results, follow the recommended processing time and use the included gloves and leaflet directions.

• Permanent dyes designed for gray coverage
• Simple two-part mixing of color gel and developer crème
• Instruction leaflet to guide timing and application steps
• Works on a variety of hair types and gray percentages

How should I use the kit for optimal, fade-defying results?

Perform a patch and strand test first to confirm shade compatibility and sensitivity. Apply the mixed gel per instructions, ensuring full saturation for even results, then rinse and condition with the Shine Protect Conditioner to lock in color and boost shine. Maintain the look with color-safe shampoos, less-frequent washing, and UV protection when spending time outdoors.

• Do a patch/strand test 48 hours before coloring
• Apply mixed gel thoroughly from roots to ends for even color
• Rinse and use the included Shine Protect Conditioner after processing
• Use color-care products and limit heat styling to extend wear

Who this is for: This kit is aimed at people seeking a salon-quality permanent darkest brown color at home with cool undertones and strong shine. It suits those wanting dependable gray coverage, improved hair texture after coloring, and a no-drip application experience. If you prefer long-lasting, luminous color with conditioning benefits and easy at-home use, this L'Oreal Paris Superior Preference shade is a practical choice.

Ingredients

Our formulas are modified from time to time, so this ingredient listing may not exactly reflect the ingredients in the product you purchase and use. Always read the ingredient list on the product label before use. Formula 1183628 Preference 3.12 INGREDIENTS AQUA / WATER / EAU 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 TOLUENE-2,5-DIAMINE RESORCINOL 2,4-DIAMINOPHENOXYETHANOL HCl m-AMINOPHENOL 2-AMINO-3-HYDROXYPYRIDINE SODIUM METABISULFITE EUGENOL THIOGLYCERIN AMMONIUM ACETATE 2-METHYLRESORCINOL PENTASODIUM PENTETATE LINALOOL N,N-BIS(2-HYDROXYETHYL)-p-PHENYLENEDIAMINE SULFATE ALPHA-ISOMETHYL IONONE PARFUM / FRAGRANCE CITRONELLOL ERYTHORBIC ACID FIL CODE D179580/1 Formula 1087166 K After Color Conditioner Préférence INGREDIENTS AQUA / WATER / EAU CETEARYL ALCOHOL GLYCERIN BEHENTRIMONIUM CHLORIDE CANDELILLA CERA / CANDELILLA WAX / CIRE DE CANDELILLA AMODIMETHICONE CETYL ESTERS ISOPROPYL ALCOHOL PARFUM / FRAGRANCE SODIUM PCA TRIDECETH-6 LINALOOL HEXYL CINNAMAL BENZYL ALCOHOL CHLORHEXIDINE DIHYDROCHLORIDE CETRIMONIUM CHLORIDE BUTYLPHENYL METHYLPROPIONAL LIMONENE ALCOHOL DENAT. GERANIOL AMYL CINNAMAL PPG-5-CETETH-20 BENZYL BENZOATE CAMELINA SATIVA SEED OIL OLETH-10 CITRONELLOL DISODIUM COCOAMPHODIPROPIONATE LECITHIN PHOSPHORIC ACID TOCOPHEROL ETHYLHEXYL SALICYLATE FIL CODE D192716/1 Formula 178914 U HEALTHY LOOK CREME GLOSS COLOR DEVELOPER - 20 VOLUME , REVELATEUR 20 VOLUMES INGREDIENTS AQUA / WATER / EAU HYDROGEN PEROXIDE CETEARYL ALCOHOL TRIDECETH-2 CARBOXAMIDE MEA CETEARETH-25 GLYCERIN PENTASODIUM PENTETATE SODIUM STANNATE TETRASODIUM PYROPHOSPHATE PHOSPHORIC ACID FIL CODE D12836/18