Things to Consider Before Applying Permanent Hair Color to Bleached Hair:
* Porosity: Bleach opens the hair cuticle to remove pigment, making the hair more porous. Porous hair absorbs color quickly, and sometimes unevenly. This can lead to unexpected results or the color grabbing too dark.
* Damage: Bleach can cause significant damage to hair. Applying permanent color on already damaged hair can exacerbate the problem, leading to breakage, dryness, and a straw-like texture.
* Color Choice:
* Going Darker: Going darker is generally easier and less damaging than trying to lighten bleached hair.
* Toner vs. Color: If your goal is to neutralize unwanted tones (e.g., brassiness), a toner might be a better option than permanent color. Toners are gentler and deposit color without lifting the existing base.
* Level: Understand hair color levels. Bleached hair is often a level 9 or 10 (very light blonde). If you want to go to a level 6 (dark blonde), you need to choose a color that is level 6.
* Underlying Pigment: Bleached hair lacks underlying pigment. When you apply permanent color, it may fade faster because there's nothing for it to "grab" onto. You may need to add filler.
* Protein Filler: Using a protein filler before coloring helps to fill in the gaps in the hair shaft and create a more even surface for the color to adhere to. This can also help to prevent the color from fading quickly.
* Strand Test: ALWAYS do a strand test before applying the color to your entire head. This will allow you to see how the color takes to your hair and adjust accordingly.
* Developer Volume: Use a low-volume developer (10 or 20 volume) to deposit color without further damage. A higher volume developer isn't needed since you're not trying to lift the existing color.
* Hair Condition: If your hair is already very damaged, it's best to focus on repairing the hair before coloring it. Use deep conditioning treatments and avoid heat styling.
* Professional Advice: If you are unsure about any of these steps, consult a professional hairstylist. They can assess your hair's condition and recommend the best course of action.
Steps to Take (General Guide):
1. Assess Hair Condition: Evaluate the health of your bleached hair. If it's very damaged, prioritize repair before coloring.
2. Protein Filler (Optional): Apply a protein filler according to the product instructions.
3. Strand Test: Perform a strand test on a hidden section of hair to check the color result and processing time.
4. Mix Color: Mix the permanent hair color with the appropriate low-volume developer (10 or 20 volume) according to the product instructions.
5. Apply Color: Apply the color evenly to your hair, starting at the roots.
6. Process: Process the color according to the product instructions.
7. Rinse and Condition: Rinse the color thoroughly with cool water and apply a deep conditioner.
Why It Can Be Tricky:
* Uneven Color: Porous hair can absorb color unevenly, resulting in patchy or uneven color.
* Color Fading: Bleached hair tends to fade color quickly because the cuticle is open.
* Damage: Applying permanent color to already damaged hair can lead to further damage and breakage.
In summary: Yes, you *can* apply permanent color to bleached hair, but it's important to proceed with caution and take steps to protect your hair. Assess your hair's condition, choose the right color and developer, and do a strand test before applying the color to your entire head. If you're unsure about any of these steps, consult a professional hairstylist.