Extended Product Information

Pros & Cons\n\n### Pros\n* Achieves 100% grey coverage effectively.\n* Ammonia-free for a gentler experience.\n* Leaves hair feeling protected and nourished with Pro-Keratin.\n* Provides a natural, non-flat darkest brown shade.\n* Comes with a complete set of products for application and aftercare.\n* Long-lasting permanent colour.\n\n### Cons\n* As a permanent dye, requires commitment to the colour until it grows out or is recoloured.\n* Requires a mandatory 48-hour patch test before each use.\n* The darkest brown shade may not be suitable for those desiring a lighter or more varied tone.\n* Potential for staining skin or surfaces if not applied carefully.

Performance & Real-World Use\n\nL'Oreal Paris Excellence Crme Hair Dye in 2U Darkest Brown is formulated for a deep, rich darkest brown colour that provides optimal grey coverage. The inclusion of ReflectU technology helps the colour adapt to your natural tones, preventing a harsh, artificial look. Users can expect a vibrant, long-lasting shade that retains shine, thanks to the Pro-Keratin enrichment.\n\nApplication Process (General Steps):\n\n1. Preparation: Always perform a patch test 48 hours before full application. Read the enclosed instructions thoroughly. Put on the protective gloves provided.\n2. Mixing: Combine the colouring cream with the developer cream in the applicator bottle as instructed.\n3. Application: Apply the mixture evenly to dry, unwashed hair, focusing on grey areas first if present. Follow the timing guidelines specified in the leaflet.\n4. Rinsing: After the development time, rinse hair thoroughly until water runs clear.\n5. Shampooing: Apply the provided gentle post-colour shampoo, massage, and rinse.\n6. Conditioning: Apply the caring conditioner, leave for a few minutes, then rinse. This helps to seal in colour and nourish the hair.

Setup, Compatibility & Care\n\nSetup:\nBefore using, lay out all components from the L'Oreal Paris Excellence pack: x1 colouring cream, x1 developer cream, x1 gentle post-colour shampoo, x1 post-colour caring conditioner, and x1 pair of protective gloves. Ensure you have an old towel, a timer, and petroleum jelly to protect your hairline. Always perform a skin allergy patch test 48 hours before each use by applying a small amount of product to a clean area of skin, such as behind the ear or on the inner elbow. Do not proceed if any reaction occurs.\n\nCompatibility:\nThis hair dye is designed for adults. The 2U Darkest Brown shade is suitable for those seeking a deep, natural-looking brown with full grey coverage. While generally suitable for various hair types, results may vary depending on your hair's porosity, previous treatments, and natural undertones.\n\nCare:\nTo maintain your colour's vibrancy and hair health:\n* Use the provided post-colour conditioner immediately after dyeing to lock in moisture and shine.\n* Wash hair with colour-safe shampoo and conditioner to prolong colour life.\n* Avoid frequent hot water washes, as this can fade colour faster.\n* Limit exposure to harsh sunlight and chlorine, which can affect colour longevity.\n* Consider using heat protectant sprays if styling with hot tools.