Salon removal is always the safest option, but there are times when you need to take off BIAB or gel polish at home. Done patiently, soak-off removal is gentle on your nails. Done in a hurry, by peeling or prising, it can strip layers from the nail plate and leave nails thin and sore for weeks.
This guide covers the soak-off method for builder gels like BIAB and for gel polish (shellac). Hard gel and acrylic are different; see the note at the end.
What you need
- Pure acetone (100% acetone, not standard "acetone-free" or low-acetone remover)
- A coarse nail file (around 100/180 grit) and a buffer
- Cotton pads cut into small squares
- Kitchen foil cut into strips, or reusable soak-off clips
- An orange stick or cuticle pusher
- Cuticle oil and a rich hand cream
- A towel to protect surfaces; acetone damages varnish and some plastics
Work in a well-ventilated room, away from naked flames. Acetone is highly flammable.
Step-by-step soak-off method
1. File off the top layer
Use the coarse file to remove the shiny top coat and thin down the gel. With BIAB, which is thicker, take off as much bulk as you can without reaching your natural nail. The aim is to break the seal so acetone can penetrate. Stop when the surface is dull and you can see the gel thinning; do not file into the nail itself.
2. Protect the skin
Apply cuticle oil or petroleum jelly around the nail. It reduces the drying effect of acetone on your skin.
3. Soak and wrap
Soak a square of cotton in acetone, place it over the nail and wrap tightly with foil, or use a clip. Do all ten nails, or one hand at a time.
4. Wait
Leave gel polish for around ten to fifteen minutes. BIAB and other builder gels usually need longer, often fifteen to twenty minutes or more. Keeping your hands warm, for example wrapped in a towel, can help the acetone work.
5. Gently remove
Unwrap one nail. The gel should look soft, crinkled or lifting. Gently push it off with the orange stick, working from the cuticle towards the tip. If it does not move easily, rewrap and wait another five minutes. Never force it.
6. Buff and tidy
Once all the gel is gone, lightly buff away any small residue. Wash your hands to remove acetone.
7. Rehydrate
Massage cuticle oil into the nails and cuticles and apply hand cream. Acetone is drying, and nails will feel brittle for a day or two.
Mistakes to avoid
- Peeling or picking off gel. This is the single biggest cause of thin, damaged nails after gel. The gel takes the top layers of the nail with it.
- Over-filing. Filing all the way down to the natural nail thins the nail plate.
- Scraping hard with metal tools. Use gentle pressure only.
- Using weak remover. Standard nail polish remover will not dissolve gel properly, so you end up scraping.
- Rushing. Builder gel takes time. Patience saves your nails.
Aftercare: helping nails recover
After removal, nails may feel thinner or more flexible. To help them recover:
- Apply cuticle oil once or twice a day.
- Keep nails short for a week or two while they settle.
- Wear gloves for cleaning and washing up.
- Consider a break before your next set, or a strengthening treatment.
Our guide on how to strengthen nails has more ideas.
What about acrylic and hard gel?
Acrylic can be soaked off with acetone too, but it takes considerably longer, and is usually thinned down by filing first. Hard gel generally does not soak off and must be filed away, which is best left to a trained technician because it is easy to over-file the natural nail. For the differences between products, see gel vs acrylic nails.
When to go to a salon instead
Choose professional removal if your nails are already sore, damaged or infected, if you have very thick builder gel or extensions, or if you are not confident with a file. A technician can also infill rather than remove, which saves the nail from repeated soaking. See how long BIAB nails last for infill timing.
Gel polish versus BIAB removal
Gel polish is thin and usually lifts after ten to fifteen minutes of soaking. BIAB is thicker, so it needs more filing before soaking and a longer soak, and you may need to repeat the wrap once or twice. If you are switching between products, a technician can often infill or overlay instead, which avoids the soak altogether.
Frequently asked questions
How long does it take to remove BIAB at home?
Allow at least 30 to 45 minutes for filing, soaking and gentle removal. Builder gel takes longer to soften than gel polish.
Can I remove BIAB without acetone?
Soak-off gels are designed to be removed with acetone. Methods without acetone usually rely on peeling or heavy filing, which are much more likely to damage the nail.
Why won't my gel come off after soaking?
Usually the top coat was not filed enough, the acetone was not pure, or the wraps were not tight or left long enough. File a little more, rewrap and wait.
Is it bad to peel off gel nails?
Yes. Peeling removes layers of the natural nail plate along with the gel and is the most common reason nails become thin and weak.