Quick Answer
Going from black to blonde usually takes 1 to 2 sessions for natural black hair and 3 or more for black box dye or permanent black. It always starts with a strand test and your hair history. Layers of black dye often need an oxidative color remover before any lightener, and you will pass through red, copper and gold before you reach blonde.
Black to blonde is one of the biggest color corrections I do. Here is exactly how I approach it in the salon: how many sessions it really takes, box dye versus natural black, what it costs, and how to keep your hair on your head the whole way there.
How many sessions does black to blonde take?
It honestly varies from person to person. If the hair lifts easily, it can take 1 to 2, maybe 3 sessions. If the strand test comes out uneven and patchy, I already know it will take several sessions and a color remover first.
From my chair: it starts with a strand test
I always start with a strand test and ask for at least 2, if not 3, years of hair history, depending on the length of the hair. I snip a few tiny sections from different parts of the head with thinning shears, so it’s not even noticeable and the client doesn’t have to sit there for an hour or two while I test. I test different developer and bleach ratios, and I’m looking for even lift, elasticity and the integrity of the hair. That also tells me which lightener to use, because not all bleach lighteners are the same.
| Starting point | What I do first | Typical sessions | What to expect |
|---|---|---|---|
| Natural black, never colored | A regular highlight with lightener or high lift color | 1 to 2 | Lifts evenly and much higher |
| Black demi-permanent, colored once | Strand test, then lightener | 1 to 3 | Easier to lift than permanent black |
| Layers of box dye or permanent black | Strand test, oxidative color remover, then lightener | 3 or more | Patchy lift, lots of warmth in between |
| Unknown at-home dye | Strand test before anything else | Depends on the test | Some at-home dyes react badly with lightener |
Box dye black vs natural black hair
Natural black hair lifts evenly and a lot higher, so it is much easier to take blonde. If someone is naturally black and has never had color, I feel confident going in with a regular highlight technique using lightener or a high lift color.
Black dye is a different story. Box dye or professional, demi or permanent, black is black, and it is very difficult to lift. What matters most is how often it was applied. Black dye applied every two weeks or every month builds up layers and layers of pigment. A one-time demi-permanent black is usually easier to remove. Either way, I strand test first.
Color remover vs bleach: why I often use both
An oxidative dye color remover shrinks and removes artificial dye molecules so they can rinse out. It does the heavy lifting before lightener, which means less time with bleach on the hair. It only works on hair that has old dye on it, not on your natural regrowth. Products like Rusk Elimin8 fall in this group.
When the strand test lifts uneven and patchy, I go in with an oxidative color remover first, then lightener. I tested a bunch of professional color removers side by side, and you can watch which one actually works on my YouTube channel. For more on removing old dye, see my black box dye color correction and how I use Malibu CPR in a color correction.
The stages of black to blonde hair
Black does not go straight to blonde. As the dark pigment comes out, the hair passes through red, then copper and ginger, then golden yellow, and finally pale yellow. Only then can it be toned to the ashy or beige blonde you want.
From my chair: enjoy the in-between
Understand that you might not get your dream hair color in one sitting. Enjoy the journey as we take you from dark to a little ginger, a little copper and golden tones, into that ashy or beige tone you’re really after. There’s going to be an in-between phase, so give your hairstylist some grace. We’re doing the best we can to keep your hair on your head instead of on the floor.
Why I never skip the strand test on box dye
From my chair: the lesson that taught me
Some box and at-home hair dyes have metallic salts or other chemicals that react to professional lighteners. I’ve had lightener liquefy in the foil. I’ve seen hair color smoking. I’ve seen horror stories of hair breaking and melting off from a bad chemical reaction. That’s exactly why I always strand test a brand new client going from black to blonde. It tells me everything I need to know before I ever get started.
How much does black to blonde cost?
Every stylist prices this differently, so use these as a guide. I charge $150 to $200 an hour. The oxidative color remover step alone starts at $200 and can go up to $400, and I often split the work into a two-day session.
To fully remove black dye, figure a minimum of about $600 for something minimal, up to the thousands for a black to true blonde makeover. That is just the first session. After that, you are on a maintenance and highlight or lightening plan to reach your goal, and those appointments generally cost a lot less.
From my chair: plan for an all-day appointment
If you’re going in for a color correction, it is an all-day session. Bring a duffel bag full of food and some comfy clothes, and enjoy the whole process.
How to keep your hair healthy from black to blonde
The darker your hair, the more lift it needs to reach today’s blonde trends, so your at-home routine matters as much as the salon work.
- Use a bond building shampoo and conditioner.
- Do a bond building treatment once a week, or at the very least once a month.
- Get a trim at every appointment.
- Space out your sessions so your hair can recover in between.
- Be patient. Healthy hair you can keep lightening beats blonde hair that breaks.
Can you go from black to blonde at home?
I do not recommend it. Black dye lifts unevenly, at-home lightener is hard to control, and some box dyes react badly with bleach. If you are set on trying, at least read my guide to the best bleach for box-dyed dark hair and how hair bleach works first, and do a strand test.
For stylists: my black to blonde process
- Get the history. Ask for at least 2 to 3 years of color history, depending on length. Box dye, demi, permanent, henna, how often.
- Strand test. Snip tiny sections from different areas with thinning shears. Test different developer and bleach ratios. Look for even lift, elasticity and integrity, and use it to choose your lightener.
- Read the results. Even lift means you can go in with lightener. Patchy or uneven lift means an oxidative color remover first.
- Remove, then lighten. Use the color remover to do the heavy lifting, then lighten with a bond builder. Low and slow. Integrity first.
- Plan the sessions. Set expectations for the in-between tones and book the next appointments before she leaves.
- Tone and send her home with a plan: bond building shampoo, conditioner and a weekly treatment.
Choosing a lightener for this? See how I rate them on the Manelli Scale, plus my picks for the best bleach for dark hair and why integrity matters more than lift. New to corrections? Start with what hair color correction is.
Ready to master color correction? Every correction, lightening and toning technique I use in my chair lives inside Hair B&B University. You get the step-by-step tutorials and the exact game plans I use on real clients.
Sign up for Hair B&B University and take on black to blonde with confidence. 🎉
Black to blonde hair FAQ
Natural black hair that has never been colored can often go blonde in 1 to 2 sessions. Black box dye or layers of permanent black usually take 3 or more sessions, often starting with an oxidative color remover before any lightener.
Yes. Natural black lifts evenly and much higher. Black dye, whether box dye or professional, demi or permanent, is very hard to lift, especially when it has been applied over and over.
A strand test shows how your hair lifts, how strong it is, and whether old at-home dye will react with lightener. Some at-home dyes contain metallic salts that can make lightener heat up, smoke, or break the hair.
It depends on your hair history and your stylist. As a guide, I charge $150 to $200 an hour. A black to true blonde correction starts around $600 for minimal dye and can run into the thousands for the first session, then maintenance appointments cost less.
Use a bond building shampoo, conditioner and treatment. Do a treatment once a week, or at least once a month, get a trim at every appointment, and be patient with the in-between colors.
cheers,
Mirella
