Hair dye L’Oreal Paris Preference 1 Napoli Black — permanent hair color

L’Oreal Paris Preference 1 Napoli Black is a permanent hair color formulated to deliver an even, deep black shade for at-home use. The product is part of the Preference range and is designed to provide full coverage of natural hair and grey regrowth while offering a long-lasting result. The formulation aims to combine intense colour payoff with care factors to keep hair looking smooth and uniform after dyeing.

Advantages

This permanent hair dye gives a deep, consistent black tone with full grey coverage. The formula is developed to deposit high pigment concentration for lasting colour and resist fading between applications. It is suitable for users who want a salon-inspired dark shade at home and expect uniform results across different hair types.

Suitable for

• Covering natural dark hair and achieving a deeper black tone
• Concealing grey regrowth for an even, long-lasting appearance
• At-home permanent hair colouring for users seeking a professional-style finish

Key specifications

• Product type: permanent hair colour
• Shade: Napoli Black (deep black)
• Coverage: full coverage of natural hair and grey regrowth
• Intended use: at-home application
• Result: even, long-lasting black colour

How to use

Follow the instructions provided in the enclosed leaflet and perform an allergy sensitivity test 48 hours before application. Prepare by protecting clothing and surfaces, and wear gloves during the procedure. Mix the colourant and developer according to the kit directions, apply evenly to dry or towel-dried hair, ensuring full saturation from roots to ends. Leave the product on for the time indicated in the instructions, then rinse thoroughly until water runs clear and use the included after-colour conditioner to help detangle and smooth hair.

Usage recommendations

For best results, use on hair that is in good condition and follow the timing guidance on the leaflet. Maintain colour with colour-safe shampoos and conditioners and avoid excessive heat styling to prolong the intensity of the Napoli Black shade.