L'Oreal Paris Excellence Crme Universal Nudes Ammonia Free Permanent Hair Dye - Black

This is a permanent hair dye, designed for long-lasting color. The vibrancy will gradually fade over several weeks, typically requiring a retouch every 4-6 weeks depending on hair growth and washing frequency.

Yes, an allergy patch test must be performed 48 hours before each application, even if you have previously used this or other hair color products. Allergies can develop suddenly.

It is generally advisable to wait at least two weeks after a perm, relaxer, or chemical straightening treatment before coloring your hair. Always consult the detailed instructions in the box for specific guidance.

The gentle pH shampoo helps to rinse out excess dye, close the hair cuticles, and rebalance the scalp's pH after coloring. The nourishing mask then deeply conditions and moisturizes the hair, leaving it soft, shiny, and supple.

For optimal grey coverage, ensure the product is applied thoroughly and evenly to all grey areas. Make sure to follow the recommended development time precisely. If you have resistant greys, ensure adequate saturation.

The 'Universal Reflect' is designed to blend harmoniously with a wide range of natural hair tones, contributing to a natural-looking result rather than a flat, artificial shade. This approach aims for broader compatibility.

Ensure thorough and even application, especially in areas with concentrated greys. Verify that the processing time specified in the instructions was strictly followed.

The final color can be influenced by your initial hair color and condition. Future applications may require adjusting development time or choosing a different shade, referencing the shade guide on the packaging.

Utilize the nourishing mask provided in the kit, leaving it on for the maximum recommended time. For ongoing care, incorporate deep conditioning treatments and color-safe moisturizing products into your routine.

Immediately rinse hair thoroughly. If irritation persists, seek medical advice. Always perform a 48-hour patch test before each application to check for allergic reactions.

Apply a barrier cream (like petroleum jelly) to the hairline before application. Wear old clothes and use protective towels. Clean any spills or skin stains immediately with a damp cloth and mild soap.