Wella Color Charm Liquid Hair Color is a professional hair color product designed to give you long-lasting, vibrant color results. It is easy to use and provides excellent gray coverage. The product contains an exclusive colorant system that helps to protect the hair while it colors. The product also contains conditioning and softening agents to help keep hair looking shiny and healthy.

The key benefits of Wella Color Charm Liquid Hair Color are:
1. Professional-quality permanent color results in vibrant, fade-resistant hues.
2. Easy-to-use liquid formula for precise application and consistent results.
3. Long-lasting color and shine that is true to tone.
4. Provides excellent gray coverage and can be used to lighten natural hair color.
5. Contains conditioning agents to help protect and nourish the hair during and after the coloring process.
6. Formulated with a low odor, low-ammonia formula.

1. Start by reading the instructions on the packaging and following them carefully, including any safety instructions.

2. Prepare the color solution by pouring the desired amount of Color Charm Liquid Hair Color into a non-metallic bowl.

3. Mix the solution with an applicator bottle or brush, until it is completely blended.

4. Apply the solution to the hair, starting from the roots and working your way outward.

5. Leave the color on for the amount of time specified in the instructions.

6. Rinse the color out with cool water until the water runs clear.

7. Shampoo and condition the hair with a color-safe shampoo and conditioner.

8. Finally, style your hair as desired.

Pros:

1. Easy to use: Wella Color Charm liquid hair color is easy to apply, as it comes with an applicator brush and comb.

2. Quick processing time: The product works quickly and takes less than 30 minutes to process.

3. Long-lasting color: Wella Color Charm liquid hair color provides long-lasting results so you don't have to worry about your color fading or washing out quickly.

4. Variety of shades: You can find a variety of shades to choose from with this product.

Cons:

1. Damage to hair: Wella Color Charm liquid hair color can potentially damage hair if not used properly.

2. Unnatural results: If you don't follow the instructions, you may end up with an unnatural color.

3. Messy application: The applicator brush and comb can be difficult to use and can make the application process messy.