Yes, with limits. Human-hair tape-in wefts can go darker or be toned, best before install or on move-up day with the wefts off. Don't bleach them. You can colour your own roots with tape-ins in, but the colour must not touch the tabs. If it does, that weft comes out and gets re-tabbed.
Two questions hide in this search. Can the wefts you bought change colour? And can you colour your own roots with the tape-ins still in? The answers differ, and so does the risk.
Both come down to what colour does to a tape bond. We make the tape and the solvent that releases it, so that part we know. We haven't tested colour brands against our tape, and we say so where it matters.
Can you dye tape-in extensions, and can you colour your hair with them in?
Two answers. The extension hair itself can be dyed darker or toned if it is human hair, best done flat and off the head. Your own roots can be coloured while tape-ins are in, but only with the tabs protected. Moving that colour to move-up day, when the wefts are out anyway, is the safer choice.
| Dyeing the extension hair | Colouring your roots with tape-ins in | |
|---|---|---|
| Can you? | Yes, human hair only | Yes, with the tabs protected |
| Which direction | Darker or a tone. Not lighter | Whatever your own hair needs, kept off the tabs |
| Best time | Before install, or with the wefts out at a move-up | Move-up day, wefts out |
| Who does it | A stylist. At home, deposit-only colour on wefts that are out | A stylist |
| If colour touches a tab | Fresh tabs before the weft goes in | That weft comes out and gets re-tabbed |
A move-up is the maintenance appointment where tape-ins come out and go back in higher, on fresh tabs.
Check the packet first. INH Hair says non-human hair such as synthetics should not be bleached or dyed, so if it doesn't say 100% human hair, leave it. Human extension hair has usually been lightened and re-coloured to reach its shade, so it grabs new colour fast and handles lightening badly. Deposit is fine. Lift is not.
What does hair dye do to tape-in adhesive?
A tape-in bond holds because pressure-sensitive adhesive is pressed flat against clean, dry hair. A colour service brings water, alkaline agents, peroxide developer, conditioning oils and sometimes heat to the edge of that bond. Any of them can creep in from the sides and weaken the grip, which shows up as slipping in the days after colour.
| What a colour service brings | What it does at the bond |
|---|---|
| Water, for a long time | The root stays wet through colour, rinse and condition. A wet tab is where slipping starts. |
| Alkaline agents (ammonia or MEA) | They open the cuticle in permanent colour. Extension makers report that dye with ammonia or alcohol can break down tape glue. |
| Hydrogen peroxide developer | Needed for any lift. Stronger is harder on hair and, by makers' accounts, on adhesive. |
| Oils and conditioners | In colour, toner and after-colour conditioner. Oil is a release agent, which is how oil removers work. |
| Heat | A processing dryer or heat cap over the rows softens adhesive, the same reason heat tools stay off the tab. |
The adhesive effects in this table are what extension makers publish. We haven't measured them on our own tape.
We take that list seriously. Our own remover releases the bond with isopropyl alcohol, methyl ethyl ketone and ethyl acetate. Tape adhesive is built to let go when the right chemistry reaches its edge. We haven't tested what any hair colour does to our tape, so we don't claim a particular dye dissolves it. The rule is the one every tape bond needs: keep colour, water, oil and heat off the tab. The slip, when it comes, shows days later in the wash.
How do you dye the extension hair itself?
Colour tape-in wefts flat, off the head, before they are installed or while they are out at a move-up. Strand-test one weft first, because extension hair is usually pre-processed and grabs colour fast. Go darker or tone with a low-volume developer, rinse, dry completely, then put fresh tabs on before the weft goes back in.
- Take the old tabs offPeel them off the weft base, low and flat. A tab that has been through a colour bath never goes back in.
- Strand-test one weftColour one weft with the exact formula and judge it dry, in daylight.
- Colour the wefts flatLay them on foil and brush colour through both sides. Darker or a tone, never lighter.
- Rinse and condition the lengthsRinse clear. Keep conditioner off the base strip, where the new tab has to grip.
- Dry completelyAir-dry flat or use low heat. Damp under a tab is the start of a slip.
- Clean the base and re-tabWipe the base with isopropyl alcohol, let it flash off, and press a fresh tab on from the centre out. No washing for 24 hours after reinstalling.
Step six is an ordinary re-tab, covered in full in how to re-tape without washing.
Why not lighter?
Moresoo says bleaching is strictly not recommended for tape-ins, and North Hair warns of breakage and shedding. For lighter wefts, buy the lighter shade, and see tape-in colour ideas and where each shade goes. If an installed weft only needs a tone or a shade darker, that's a stylist job with a barrier under each row. Anything more waits for move-up day.
Which developer, colour and toner are safe near a tape bond?
The less lift, the lower the risk. Semi-permanent colour has no developer. Toners and demi-permanent colour use low volume, usually 10 vol, which is 3% hydrogen peroxide. Permanent colour runs at 20 vol (6%) or higher, and bleach is the harshest of all. Near a tape-in tab, stay at the deposit-only end.
| Developer | Peroxide | What it does | Near a tab? |
|---|---|---|---|
| None (semi-permanent) | 0% | Stains the outside of the hair, fades over washes | Lowest chemical risk. Still wet, so keep it off the tab |
| 10 vol | 3% | Deposit, toning, going darker | Low risk, with a barrier |
| 20 vol | 6% | 1 to 2 levels of lift, grey coverage | Stylist only, barrier, row by row |
| 30 vol | 9% | 2 to 4 levels of lift | Not near a tab. Move-up day |
| 40 vol | 12% | 3 to 4 levels of lift | Not near a tab. Move-up day |
Percentages from Hairfinder's conversion (volume divided by 3.3). Lift levels from Bangstyle's developer guide and vary with hair texture. The last column is our judgement from how tape bonds behave, not a test result.
The Lauren Ashtyn Collection recommends 10 or 20 vol if a permanent formula goes on extensions at all. Moresoo says strong developers compromise both hair and tape adhesive, and starts colour 1 to 2 cm below the tape.
Toning and purple shampoo
Toning is the lowest-risk colour job on tape-in extensions, because it happens on the lengths. Moresoo lists demi-permanent toners as an option for full-cuticle human hair. For wefts that are in, dilute a little purple shampoo with water in your palm, work it from mid-length down and keep it off the tabs. The washing routine for tape-ins still applies: rinse, then dry the tabs.
For wefts that are out, Luxy Hair dilutes purple shampoo in warm water and dips the weft for a few seconds up to a minute. Keep the tape-in base out of the water, or replace the tab.
Patch test first
A patch test protects your skin, not the tape. DermNet notes that para-phenylenediamine (PPD), found at higher levels in darker permanent shades, can cause allergic contact dermatitis. Follow your colour's own instructions. This is not medical advice.
Can you colour your roots with tape-in extensions in?
Yes, with a stylist and a barrier. She sections each row, lays foil under the natural hair beneath the tab, applies colour to the regrowth only and keeps it off the tape, then rinses row by row and dries each bond. The safer option is to wait for move-up day and colour with the tape-ins out.
North Hair, a professional tape brand, tells stylists they can touch up grey regrowth and do highlights and root fills while the client wears extensions. The skill is keeping a clean gap of your own hair between colour and tab on every row.
In the chair
- Work one row at a time, with the wefts above clipped out of the way.
- Lay foil under the natural hair just below the tab, so colour can't run into the sandwich.
- Apply to the regrowth only, starting 1 to 2 cm below the tape, with the lowest developer that does the job.
- No heat cap or processing dryer over the rows. Rinse row by row, then dry each bond.
At home
We advise against it. You can't foil under a row behind your own head, and box dye at the root is how colour ends up on tabs. A temporary root spray or powder on the parting bridges the gap, kept off the tabs. We haven't tested one on our tape.
If colour gets on a tab, stop.
Don't press the tab back down and don't add a tab on top. Rinse with plain water, dry the bond, and have that weft taken out and re-tabbed.The re-tab steps
Can you put tape-ins in on the same day you colour your hair?
Yes, if the order is right. Colour first, then rinse, shampoo the colour out at the root, keep conditioner off the scalp area and dry the hair completely. Tape-in tabs go onto clean, dry, oil-free hair. What makes tape slip after colour is conditioner, oil or water left at the root, not the date on the calendar.
Wearer forums repeat a rule to wait 72 hours after colour. No extension maker we read publishes it. A root coated in after-colour conditioner fails on day one and on day three. The sequence:
- Colour and process as normal.
- Rinse until clear, then shampoo the root area to lift residue.
- Condition from mid-length down only.
- Blow-dry the root area fully. Damp at the scalp is not dry.
- Install, then no washing for 24 hours while the adhesive sets.
One thing we won't stretch. Our oil-free remover means no re-wash before re-tabbing at a move-up. That is a claim about removal. After colour, the hair still needs a rinse, a root shampoo and a full dry.
How do you plan colour on move-up day?
Take the tape-in wefts out, colour your own hair and, separately, any wefts that need it, then rinse, shampoo and dry everything completely. Strip the old tape, re-tab the wefts and reinstall. It is one appointment, the bond never meets colour chemistry, and the fresh tabs go onto clean, dry hair. Book extra time for colour and drying.
It's the plan our care guide gives for any chemistry at the root, and step one is our standard removal method.
| Step | What happens |
|---|---|
| 1. Remove the wefts | Release each sandwich with remover and a rattail comb, so colour never meets a bond |
| 2. Colour | Your own hair in the chair. The wefts flat and separately, if they need it |
| 3. Rinse and wash | Rinse, shampoo, condition the lengths only |
| 4. Dry | The root area and the wefts, completely. Tape won't grip damp hair |
| 5. Re-tab | Strip the old tape, clean the base, fresh tabs |
| 6. Reinstall | New sandwiches above the grow-out, then no washing for 24 hours |
We haven't timed this as a standard appointment. Colour and drying add to a normal move-up, so book the longer slot.
In the chair, wefts that aren't being coloured get re-tabbed while the colour processes. At home, split it across two days: remove, colour and wash on day one, dry overnight, and re-tab and reinstall on day two.
What if hair dye got on the tape?
Rinse the tape-in tab with plain water, don't rub it, and dry the bond. Over the next day or two, check whether the tab slides, lifts at an edge or feels gummy. If it does, that weft comes out and gets re-tabbed. Don't stack a fresh tab on top of one that colour has reached.
Moresoo is blunt: if dye touches the tabs, remove the extensions and replace the tape. We agree. You can't see how far into the bond the colour went.
- Rinse, don't rubRun plain water over it, pointed away from the scalp. Rubbing pushes colour into the sandwich.
- Dry the bondBlot, then low heat from a distance until tab and hair are dry.
- Check it over two daysGive the gentlest tug below the tab. One that slides, lifts or feels gummy has failed.
- Take that weft outRelease it with remover, as you would at a move-up. Don't pull it.
- Re-tab and reinstallStrip both old tabs and wipe the base with isopropyl alcohol. Wash and dry your own hair at that spot if colour is still on it. Build a new sandwich with two fresh tabs, then no washing there for 24 hours.
A fresh tab on a lifted edge hides the problem for a week. If a tab has already come loose, see what to do with a slipped tab. At home, more than one or two affected tabs is a stylist job.
When should you leave the colour alone?
Leave the colour if you want tape-in wefts more than a shade lighter (buy the right shade instead), if the only option is box dye at home over installed tapes, or if your scalp is tender or irritated along the rows. We haven't tested specific colour brands against our tape, so treat any brand's compatibility claim with care.
- The hair is synthetic or heat-resistant fibre. Hair colour won't take.
- Your scalp is sore, itchy or red along the rows. Rest the rows, and see a dermatologist if it doesn't settle.
- You're inside the first 24 hours after an install. The adhesive is still setting.
One limit of our own. We haven't tested hair colour against our tabs, so this page names no dye as safe with our tape. If we test it, the method and results go on our testing page. For the colour itself, see a licensed colourist. For irritation that lasts, see a board-certified dermatologist. None of this is medical advice.
What does re-tabbing after colour take?
Re-tabbing tape-in wefts after colour takes fresh double-sided tabs, two per sandwich, isopropyl alcohol for the weft base, and a remover to take the weft out. Vanity Replacement Tape Tabs are 60 tabs, which is 30 sandwiches, for $45. If only a few wefts met colour, re-tab those and keep the rest of the pack.
In ten years of daily use in our salon, the tabs hold six to eight weeks through washing, sweat and styling. We don't claim they hold through a colour service. They re-tab any brand's double-sided wefts, but the Clean Remover is built for Vanity tape and underperforms on other adhesives, so factory tape comes off with its own brand's remover first. Details are on our other-brands page.
Shop Replacement Tape Tabs when colour has reached a tab, or when move-up day is booked.
What this guide is based on
Written by Jaci Finch, a licensed cosmetologist in Utah with 21 years behind the chair, who co-developed the Vanity tape and remover. The adhesive side of this page comes from that work and ten years of daily tape-in use at Vanity Hair Salon.
Colour guidance (developer strengths, the 1 to 2 cm barrier, no bleach, toning, the patch test) is attributed to the named makers and trade sources below. We have not tested any hair colour against Vanity tape, and nothing here says a colour line is safe with it.
Questions we get asked
Can you dye tape-in extensions?
Yes, if they are human hair. Go darker or tone, with the wefts flat and off the head. Don't bleach them. Put fresh tabs on before they go back in.
Can I dye my hair with tape-in extensions in?
Yes, by a stylist, with a barrier under each row and colour kept 1 to 2 cm below the tape. Colouring on move-up day, with the wefts out, is safer.
Can you bleach tape-in extensions?
No. Extension hair has already been processed, and bleach leaves it dry and brittle. Buy the lighter shade instead.
Will hair dye make my tape-ins slip?
It can, if colour, water, oil or heat reaches the bond. The slip usually shows a few days later. Any tab that colour reached should be re-tabbed.
Can I use purple shampoo on tape-in extensions?
Yes. Dilute it with water and work it from mid-length down, away from the tabs. Rinse and dry the tabs before styling.
What developer should I use on hair extensions?
The lowest that does the job. 10 vol (3% peroxide) for toning and going darker. 20 vol (6%) only for a permanent formula, and never near a tab.
Do I need to wait 72 hours after colouring before installing tape-ins?
We couldn't find a source for 72 hours. What matters is that the root is clean, dry and free of conditioner or oil when the tabs go on.
Can you dye synthetic tape-in extensions?
Not with hair colour. Makers of synthetic hair say it shouldn't be bleached or dyed.
Can you dye the tape tabs?
No. A tab is a thin film carrying adhesive, not hair, so hair colour won't take, and a spray or marker coats the part that needs to stay clean. Hide tabs with placement: rows below the parting, under your own hair.
Sources
Every price, specification and claim about another brand on this page traces to one of the references below. Each was read on the date shown. Where a figure could not be verified from a primary source we've left it out rather than estimated it.
- Moresoo support: tape-in hair, how to bleach and dye Colour starts 1 to 2 cm below the tape; if dye touches the tabs, remove the extensions and replace the tape; bleaching tape-ins strictly not recommended; strong developers compromise hair and tape adhesive; demi-permanent toners an option on full-cuticle human hair Accessed 2026-09-28
- The Lauren Ashtyn Collection: can you dye hair extensions while on your head? Dye with alcohol or ammonia can break down the glue; low-volume developer (10 or 20 vol) for a permanent formula; lightening extensions leaves them dry and brittle Accessed 2026-09-28
- North Hair: how to colour tape hair extensions Stylists can touch up grey regrowth and do highlights and root fills while the client wears extensions; bleach risks breakage and shedding; remove old tape and dry the area before fresh tabs Accessed 2026-09-28
- INH Hair: how do I dye or bleach my hair extensions? Non-human hair such as synthetics should not be bleached or dyed Accessed 2026-09-28
- Hairfinder: peroxide volume to percentage conversion 10, 20, 30 and 40 vol developer equal roughly 3%, 6%, 9% and 12% hydrogen peroxide Accessed 2026-09-28
- Bangstyle: what volume developer should I use? Levels of lift by developer volume: 20 vol 1 to 2 levels, 30 vol 2 to 4, 40 vol 3 to 4; 20 vol as the usual grey-coverage developer Accessed 2026-09-28
- DermNet: allergy to paraphenylenediamine PPD in permanent hair dye, higher in darker shades, can cause allergic contact dermatitis; patch test left uncovered for 48 to 72 hours Accessed 2026-09-28
- Luxy Hair: how to tone hair extensions Dilute purple shampoo in warm water, dip the weft for seconds up to a minute, repeat, rinse cold and condition Accessed 2026-09-28
About the brands mentioned. We aren't affiliated with, endorsed by, or sponsored by any other company named on this page, and we earn no commission on anything we link to. Product names and trademarks belong to their respective owners. Prices, specifications and formulations are those published by each manufacturer at the time of writing and change without notice, check the current listing before you buy. Where we rank a competitor above our own product we mean it, and where we rank ours first we say which criterion produced that result so you can reject it. Reviews and comparisons here reflect our own experience behind the chair plus published information; they aren't laboratory tests unless a page says so explicitly. Nothing here is medical advice. If you believe we have described your product unfairly or inaccurately, email info@vanityhairsolutions.com and we will correct it. Last reviewed 2026-09-29.