L'Oreal Paris Excellence Creme Permanent Hair Dye - 9U Universal Very Light Blonde

Yes, L'Oreal Paris Excellence Crème Universal Nudes is formulated without ammonia, providing a less irritating experience and no strong ammonia odor during application.

This is a permanent hair dye, designed for long-lasting color care. The color will not wash out but will gradually grow out with your hair. The included caring formula helps maintain vibrancy.

As a 'Universal Very Light Blonde' (9U), it is primarily designed to lighten hair to a very light blonde and effectively cover greys. If your current hair is significantly darker, the result might be less light or require professional advice, as dye cannot lighten previously dyed hair. Always perform a strand test for predictable results on existing color.

The 48-hour patch test is a critical safety measure to check for potential allergic reactions before you apply the dye to your entire head. Even if you've used hair dye before, sensitivities can develop, so it must be performed before every use.

For very long or thick hair, it is often recommended to purchase two boxes to ensure full saturation and even color coverage. Insufficient product can lead to patchy results.

The 'Universal Nudes' range features shades developed with ReflectU technology to create natural-looking, multi-tonal results that are designed to complement a wide array of skin tones without appearing too warm or too cool.

Ensure you applied enough product to the grey areas, particularly the roots. Make sure you left the dye on for the full recommended processing time. Sometimes very resistant grey hair may require slightly longer (but never exceed maximum time stated in instructions) or a pre-softening treatment if recommended by a professional.

Uneven application is a common cause. Ensure hair is fully saturated with the dye, especially if you have thick or long hair. If applying to roots and then ends, ensure proper blending. Always start on dry, unwashed hair as specified.

This product contains caring agents and Pro-Keratin, and an after-care conditioner is provided. Ensure you used the post-color shampoo and conditioner thoroughly. If dryness persists, incorporate deep conditioning treatments into your routine regularly. Avoid over-processing by not leaving the dye on longer than the recommended time.

Immediately rinse the product off your hair and skin with lukewarm water. Seek medical attention without delay. This is why the 48-hour patch test is crucial before every application.