If you’ve been dreaming about rocking a dazzling rainbow hairstyle but feel overwhelmed by the process, don’t worry—you’re not alone.
Many think dyeing rainbow hair is only for professionals or salon pros. But in this guide on how to dye hair with rainbow hair color step by step, you’ll learn that it’s easier (and more fun) than you think.
Whether you want a subtle splash of color or a full-blown spectrum masterpiece, this step-by-step breakdown will walk you through every stage with clarity.
From choosing your dye to rinsing out the final strand, this guide on how to dye hair with rainbow hair color step by step will turn your bold hair goals into reality—right from the comfort of your home.
1. Gather Your Supplies for Success
Before you touch a strand of hair, you need to be fully prepared with the right tools.
- Hair bleach kit (if your hair is dark or medium brown)
- Semi-permanent rainbow hair dyes (one for each color)
- Tint brushes (one per color)
- Mixing bowls (separate for each shade)
- Gloves, old towel, and a protective cape
- Hair clips and tail comb for sectioning
- Foil sheets or plastic wrap
- Sulfate-free shampoo and color-safe conditioner
- Petroleum jelly (for skin protection)
- Timer or phone clock for tracking time
Pro Tip: Set up your space near a mirror with good lighting and protect nearby surfaces with plastic or newspaper.
2. Lighten Hair for Best Color Results
Vibrant rainbow shades pop best on a pale base. If your hair isn’t already light blonde, bleaching is essential.
- Mix your bleach powder and developer in a non-metallic bowl
- Section hair into quadrants and clip them up
- Apply bleach evenly, starting at the ends and finishing at the roots
- Monitor every 10 minutes until the hair reaches a pale yellow
- Rinse thoroughly and use a bond-repairing treatment like Olaplex
- Let hair rest for at least 24–48 hours before applying dye
3. Choose the Right Rainbow Color Layout
Not all rainbow styles are the same—pick one that suits your vibe.
| Style | Description | Look |
|---|---|---|
| Traditional | ROYGBIV horizontal layout from top to bottom | Classic |
| Split Color | One side cool tones, one side warm tones | Bold |
| Peekaboo | Hidden rainbow layers under top layer | Subtle |
| Galaxy Blend | Cosmic shades with pastel transitions | Artistic |
| Sunset Fade | Red to yellow gradient with warm ends | Soft Glow |
4. Section Hair Like a Professional
Good sectioning = no color mess-ups.
- Part hair into at least 4–6 even sections using a tail comb
- Secure each section with a hair clip
- Decide which colors go where based on your chosen style
- Use a sharp parting to avoid uneven bleeding of shades
- Label bowls and brushes if using many colors to avoid mistakes
5. Apply Rainbow Hair Dye Step by Step
This is the most creative part. Take your time and have fun!
- Wear gloves and cover your shoulders with an old towel or cape
- Apply a small amount of petroleum jelly around your hairline and ears
- Start with one section at the back
- Use the brush to paint the first color from root to tip
- Use foil or plastic to wrap the dyed section before moving to the next color
- Work your way through the rainbow, section by section
- Once all colors are applied, let the dye sit for 30–45 minutes
Quick Guide Table:
| Color | Placement Suggestion | Why It Works |
|---|---|---|
| Red | Bangs or crown | Bold and attention-grabbing |
| Orange | Middle layers | Smooth transition from red to yellow |
| Yellow | Around the face | Brightens and softens the look |
| Green | Mid-back sections | Adds cool balance |
| Blue | Lower layers | Offers visual depth |
| Purple | Hair tips or ends | Creates a complete gradient |
6. Rinse Like a Pro
Improper rinsing can ruin your hard work. Here’s how to do it safely:
- Use cold water to rinse each section separately
- Avoid shampoo during the first rinse
- Tilt your head back to prevent colors from bleeding into one another
- Rinse until water runs mostly clear
- Gently squeeze out excess water with an old towel
- Apply a deep conditioner or post-color mask and leave it in for 5–10 minutes
- Rinse again with cold water and pat dry
7. Dry and Style to Reveal the Rainbow
Time for the grand reveal!
- Let your hair air dry whenever possible to preserve color
- If you must blow-dry, use the cool setting and a diffuser
- Add heat protectant spray if styling with tools
- Style your hair to showcase the rainbow effect: try braids, half-up buns, or curls
- Use hair oil or serum for a glossy finish
8. Maintain Your Rainbow Hair Like a Pro
Keep the magic alive by following a few easy steps:
- Wash hair only 2–3 times per week
- Use dry shampoo between washes
- Always use color-safe and sulfate-free shampoos
- Avoid chlorine and saltwater (wear a swim cap)
- Reapply dye on faded sections as needed
- Store leftover dye in labeled jars for touch-ups
9. Common Mistakes and How to Fix Them
Let’s avoid rookie errors. But if they happen, here’s what to do:
| Mistake | What Caused It | Fix |
|---|---|---|
| Muddy colors | Colors mixed or overlapped | Bleach and reapply properly |
| Color too faint | Didn’t bleach enough | Re-bleach and re-dye |
| Uneven application | Inconsistent dye or timing | Section hair more carefully |
| Fast fading | Washed with hot water or sulfates | Use color-safe, cold rinses only |
10. Final Styling Tips for the Ultimate Look
Want to really turn heads? Try these creative add-ons:
- Add glitter spray or rainbow hair tinsel
- Accessorize with clips, pins, and bows that match your palette
- Style in loose waves to show the blend of tones
- Use rainbow root touch-up markers for long-lasting vibrancy
- Take photos in natural light to capture every shade perfectly
Conclusion
You’ve now mastered the full process of how to dye hair with rainbow hair color step by step.
From lightening your base to choosing the perfect rainbow pattern and applying each shade with care, you’re ready to create salon-quality results on your own terms.
Whether it’s for everyday flair or a bold transformation, this guide on how to dye hair with rainbow hair color step by step is your complete roadmap to color confidence.
