Understanding Bleached Hair
* Porous: Bleaching opens up the hair cuticle, making it more porous and absorbent. This means it can grab color quickly and sometimes unevenly.
* Fragile: Bleaching weakens the hair structure, so it's more prone to damage and breakage.
* Undertones: Bleaching lifts the natural pigment in your hair, often revealing underlying tones like yellow or orange. These undertones can affect the final color of your dye.
Key Considerations Before Dyeing
* Hair Condition:
* Assess Damage: Is your hair dry, brittle, or prone to breakage? If so, focus on repairing and strengthening it before dyeing.
* Deep Conditioning: Use deep conditioning treatments and protein masks for several weeks before dyeing to improve hair health.
* Avoid Heat: Minimize heat styling (blow dryers, straighteners, curling irons) to prevent further damage.
* Color Choice:
* Tone on Tone or Darker: It is generally easier and safer to dye bleached hair a color that is the same tone or darker than the bleached shade.
* Consider Undertones: If you're dyeing a color different from the undertones in your hair, you may need to neutralize them first (see "Toning" below).
* Semi-Permanent or Demi-Permanent: These are gentler options than permanent dyes, as they don't contain ammonia or peroxide (or contain very low levels).
* Strand Test:
* Always do a strand test: Before applying dye to your entire head, test it on a small, hidden section of hair. This will show you how the color will look, how well it takes, and whether it causes any adverse reactions.
Steps for Dyeing Bleached Hair
1. Prepare Your Hair:
* Wash Your Hair 24-48 Hours Before: This allows natural oils to build up, providing a protective barrier. Avoid using conditioner.
* Detangle Thoroughly: Gently comb or brush your hair to remove any knots.
* Protect Your Skin: Apply a barrier cream (like petroleum jelly) to your hairline, ears, and neck to prevent staining.
* Wear Gloves: Protect your hands from the dye.
2. Mix the Dye:
* Follow the Instructions Carefully: Read and follow the instructions on the dye box. Mix the dye and developer (if applicable) in a well-ventilated area.
3. Apply the Dye:
* Section Your Hair: Divide your hair into small, manageable sections.
* Apply Evenly: Start at the roots and work your way down to the ends. Make sure to saturate each section of hair with dye.
* Pay Attention to the Strand Test Results: Use the strand test result as a guide as to how long to leave the hair dye in.
4. Process the Dye:
* Follow the Recommended Time: Leave the dye in for the amount of time specified on the box. Do not exceed the recommended time.
* Check Regularly: Monitor the color development.
5. Rinse and Condition:
* Rinse Thoroughly: Rinse your hair with cool water until the water runs clear.
* Use Color-Safe Conditioner: Apply a color-safe conditioner to help seal the cuticle and lock in the color.
6. Dry and Style:
* Air Dry if Possible: If possible, let your hair air dry to minimize heat damage.
* Use Heat Protectant: If you use heat styling tools, apply a heat protectant spray first.
Important Tips and Considerations
* Toning:
* Why Tone? If your bleached hair has yellow or orange undertones, you may need to tone it before dyeing to achieve the desired color.
* How to Tone: Use a toner (usually a purple or blue-based product) to neutralize unwanted undertones.
* Timing: Tone *before* applying your desired hair color.
* Protein Fillers:
* Purpose: A protein filler can help even out the porosity of your hair, allowing the dye to absorb more evenly.
* When to Use: Consider using a protein filler if your hair is very damaged or porous.
* Application: Apply the protein filler according to the product instructions before dyeing.
* Color Fading:
* Bleached hair fades faster: Bleached hair tends to lose color more quickly than unbleached hair.
* Use color-safe products: Shampoo and conditioner formulated for color-treated hair will help extend the life of your dye.
* Wash less often: Try to wash your hair less frequently.
* Avoid hot water: Use cool or lukewarm water when washing your hair.
* Professional Help:
* When to Seek a Pro: If you're unsure about any of these steps, have very damaged hair, or want to achieve a complex color, consult a professional hairstylist. They can assess your hair's condition and recommend the best course of action.
In summary, dyeing bleached hair requires careful planning and attention to detail. By understanding the unique properties of bleached hair and following these tips, you can achieve a beautiful and lasting color result.