By Elena L. Peters - Beauty & Hair Editor
8 september 26

Hair botox explained: what a hair botox treatment is, and what it is not


Hair botox · Brazil Protein
The reducer decides, not the name

Seven botox lines on the shelf. Some condition, some straighten. This page tells them apart.

Dark curly hair with the Brazil Protein green wedge

Hair botox is a name, not an ingredient. There is no botulinum toxin in any of it, and it has nothing to do with the injectable. What the name describes is a deep-conditioning treatment: frizz drops, volume comes down, the hair shines. The part almost nobody explains is that some products sold as BTOX also carry a reducer, which makes them smoothing treatments wearing the botox name. Those two things are not the same service, and this page is about telling them apart.

Beauty As Well carries seven botox lines across the Brazilian brands, from conditioning masks to reducer-based creams. If you want the smoothing side of the story instead, our smoothing guide covers the chemistry those services run on.

Short answer: A hair botox is a conditioning treatment that tames frizz, reduces volume and adds shine, and is not permanent. It is not a straightener and contains no botulinum toxin. A treatment with no reducer conditions; a BTOX-named product that does carry a reducer is a smoothing treatment. Read the reducer on the pack and you know which one you are holding.

What is hair botox?

A hair botox therapy is a rich, protein- and oil-loaded mask applied in the salon, left to work, rinsed, blow-dried and sealed with a flat iron. The job is conditioning: the hair lies flatter, reflects more light and behaves. With no reducer in the formula, a true hair botox is not a straightener.

That also sets its limits: in our experience it is not permanent, and it is a repeat service.

BTOX · 1 kg
The two Brazil Protein BTOX tubs, 1 kg each

The BTOX line, 1 kg. Which tub you are holding is decided by the reducer on the pack, not by the three letters on the front.

Is a hair botox treatment a straightener?

This is where the category goes wrong, so here is the test. Look for a reducer on the printed ingredient list. A reducer is the active that lets the hair be ironed into a new shape: cysteamine with cysteine on the straightening creams in this article, glyoxylic acid on the glyoxylic route. A product with no reducer cannot straighten, whatever the name on the tub says.

No reducer on the list
The Brazil Protein BTOX Mass Replenisher sits on this side: no reducer on the printed list, which carries avocado oil, shea butter ethyl esters, moringa seed oil, hydrolyzed cassava and three marine algae. Its pack gives 15 to 20 minutes to reduce frizz or 40 to 60 minutes to reduce volume, then rinse, blow-dry 100 % and iron thin strands at 204 °C.
A reducer: a smoothing treatment with a botox name
Lets the hair be ironed straighter. The Brazil Protein BTOX Extreme Shine is this kind: cysteamine and cysteine on the printed list, and Hair Straightening Cream on the front. Same three letters on the tub, a different service in the chair.

Neither is better than the other. They answer different requests, and the mistake that costs a salon a client is booking one when the client wanted the other.

Hair botox, keratin, cysteamine or tannin: what is the difference?

Four routes, one table. What separates them is what they do to the fibre, not how good they are.

The four routes side by side
Hair botox
What it does to the hair
Conditions the hair
Reducer
None
Result
Less frizz, less volume, more shine; not permanent
Cysteamine smoothing
What it does to the hair
Smooths with an amino-acid reducer
Reducer
Cysteamine + cysteine
Result
Hair can be ironed straighter; a change of shape
Tannin smoothing
What it does to the hair
Smoothing on the tannin route
Result
A smoothing service; see our taninoplastia guide for how that chemistry differs
Glyoxylic acid smoothing
What it does to the hair
Smooths with glyoxylic acid
Reducer
Glyoxylic acid
Result
Straightening; a change of shape

If it is the smoothing side you are choosing between, each route has a page of its own: cysteamine hair smoothing explained, for the tannin route taninoplastia explained, and for glyoxylic acid nanoplastia explained. To see them side by side the way your client describes them, hair botox or keratin does that, with our smoothing guide for the wider picture.

Brazil Protein Nano Gel straightening cream, 1000 ml and 120 ml
Nano Gel
Carries a reducer. Cysteamine and cysteine on the printed list, with aloe vera, biotin and panthenol.
Brazil Protein Bioplastia Vegan cream with Blond Vegan shampoo and conditioner
Bioplastia Vegan
Carries a reducer. Cysteamine with CI 60730, a violet colourant, on the printed list; the front prints “Anti Yellow”.

Who is a hair botox for?

In our experience the brief is dry, frizzy or voluminous hair that wants smoothness and shine without a chemical straightener, and it is a good answer for colour-treated and heat-stressed hair that needs conditioning more than it needs reshaping.

  • Good fit Frizz and volume the client wants calmed rather than removed; dull, over-worked lengths; a client who does not want a straightener near their hair.
  • Poor fit Anyone expecting permanently straight hair, which this cannot do; very fine hair that goes limp under a rich conditioning treatment; a client who wants one service and never a repeat, since this is a repeat service.

How does a hair botox treatment work in the chair?

The sequence below follows the Mass Replenisher pack: prepare, apply, time, rinse, dry, seal. Here the timing is the result lever rather than a fixed rule.

  1. 1
    Strand test first

    The BTOX, Bio Lamination and Bioplastia packs ask for it, and it tells the stylist how much the hair will take and how it behaves under the iron before the whole head is committed.

  2. 2
    Prepare the hair

    Clarify where salon practice calls for it, then work to the state the product asks for. Read the pack: the systems differ on damp or unwashed hair, and it matters.

  3. 3
    Apply and time it

    On the Mass Replenisher the timing sets the outcome: 15 to 20 minutes to reduce frizz, or 40 to 60 minutes to reduce volume. Watch the hair, not only the clock.

  4. 4
    Rinse, then dry fully

    Blow-dry 100 percent before the iron, as the pack prints it.

  5. 5
    Seal at the iron

    Thin strands at 204 °C / 400 °F, moving evenly root to tip. This is where the shine is actually made, and where the heat risk sits, so take extra care on fine or previously lightened sections.

Safety, as printed on the Mass Replenisher pack: Professional use, external use only. Perform a strand test before application. Use suitable gloves and work in a well-ventilated area. Avoid contact with mucous membranes, skin and scalp. Discontinue on irritation and consult a doctor. Consult a doctor before application if pregnant or breastfeeding. Keep out of reach of children and do not apply to children.

How long does hair botox last?

In our experience this is not a permanent service but a repeat service, and it fades rather than grows out: each wash takes a little of it away. Frequent washing, sulfate-heavy shampoo, hard water, chlorine, sun and daily high heat all shorten it. A matched home-care routine is the single biggest thing under the client's control.

That is also why the aftercare product is not an upsell but part of the service: the home-care line exists so the wash at home is not undoing the work of the chair.

Can you do a hair botox at home?

Not these. The Brazil Protein salon treatments named on this page are marked professional use, and the BTOX tubs, Bio Lamination and Bioplastia finish with a flat iron at 204 °C on thin strands, which is not a home procedure and not a small heat exposure to get wrong. Searches for doing it at home are usually really asking how to keep the result, and that part genuinely is a home job.

For the between-visits half: a gentle matched shampoo and conditioner, a mask when the lengths feel dry, and a finishing oil on the ends. In the Brazil Protein range that is the Day by Day duo for everyday washing, the Supreme Repair Shampoo with its Moisturizing Cream when the hair is dry and chemically treated, and the Mix Brazilian Oil on the ends.

Disadvantages and risks of hair botox

Our honest list, because a treatment that is oversold is a treatment that disappoints.

  • It is not permanent, and it is not meant to be It is a repeat service. A client who books it expecting a one-off fix for straight hair has been sold the wrong service.
  • It does not straighten If the request was straight hair, a conditioning botox will not deliver it, no matter how long it is left on.
  • Fine hair can go limp A rich conditioning treatment on hair that did not need weight reads flat rather than smooth. This is a fit question the strand test answers.
  • The heat is the real exposure The BTOX tubs finish at the flat iron, at 204 °C. On bleached or fragile hair that is the part to be careful with, not the mask.
  • The name causes confusion Some BTOX-labelled products carry a reducer and are smoothing treatments. Read the reducer before you book, or you will be delivering a different service than the one that was agreed.

Which hair botox lines does Beauty As Well carry?

Seven lines across the Brazilian brands, all on the B.T.X category page.

Lines on our shelf sold under the botox name
Brazil Protein
BTOX Mass Replenisher 1 kg, with no reducer on the printed list, and BTOX Extreme Shine 1 kg, with cysteamine and cysteine on the printed list.
Honma Tokyo
Robson Peluquero
Cadiveu
Brasil Cacau BTX Vegan, a glyoxylic smoothing treatment.

Three straightening systems, one botox line
Who is it for
  • Curl or wave the client wants gone
  • Frizz that comes back after every wash
On the shelf
  • Bioplastia Vegan: damp hair, 10 to 50 minutes, rinse, dry, iron at 204 °C; CI 60730 on the list, “Anti Yellow” on the front
  • Bio Lamination: damp hair, 10 to 50 minutes, rinse, dry, iron thin strands at 204 °C / 400 °F
  • Nano Gel: applied to unwashed hair, at least 40 minutes, aloe vera on the front
Bioplastia Vegan, Bio Lamination and Nano Gel straightening creams from Brazil Protein
The one thing to remember
It is a conditioning treatment
Frizz down, volume down, shine up.
The reducer decides everything
No reducer, it conditions. A reducer, it smooths, whatever the tub is called.
It is not permanent
Which makes the home-care routine part of the service, not an add-on.

Frequently asked questions

What is hair botox?
A deep-conditioning salon treatment sold under the botox name. It contains no botulinum toxin and has nothing to do with the injectable. A true hair botox carries no reducer, so it tames frizz, brings down volume and adds shine without straightening the hair.
Is hair botox a straightener?
Not by itself, but the name is used on both kinds of product. A treatment with no reducer conditions and smooths, and it is not permanent. Some products sold as BTOX do carry a reducer, and those are smoothing treatments that happen to use the botox name. The way to tell them apart is the reducer on the pack: no reducer means conditioning, a reducer such as cysteamine means a smoothing treatment.
How long does hair botox last?
In our experience it is not a permanent service; it is a repeat service. What shortens it is what you would expect: frequent washing, sulfate-heavy shampoo, hard water, heat and sun. A matched home-care routine is the difference between a result that fades quickly and one that holds.
When can I wash my hair after a hair botox treatment?
That depends on the system your stylist used, so ask the salon that did the work rather than following a number found online. Our advice in every case: go back to a gentle, matched shampoo rather than a harsh clarifying one, because that is what strips a fresh result.
Can I do hair botox at home?
The Brazil Protein salon treatments on this page are marked professional use, and the BTOX tubs, Bio Lamination and Bioplastia finish at a flat iron at 204 °C on thin strands, which is not a home procedure. What does belong at home is the maintenance: the shampoo, conditioner or mask matched to the service you had. That is the honest split between what a stylist does and what you keep doing afterwards.
Hair botox or a keratin treatment: which one?
Different jobs. A hair botox conditions, tames frizz and adds shine. A keratin or cysteamine smoothing lets the hair be ironed straighter, and the result is a change in shape rather than a conditioning. If the client wants less frizz and more shine, botox; if they want straight hair, a smoothing.
Is hair botox damaging?
With no reducer on the list, the risk sits with the heat rather than the chemistry: the BTOX tubs finish at a flat iron, and repeated high-heat passes are what stress hair. The BTOX, Bio Lamination and Bioplastia packs ask for a strand test first, and the professional lines are for professional hands. Fine hair can also read limp after a rich conditioning treatment, which is a fit question, not a damage one.
Does hair botox work on blonde or bleached hair?
It is a conditioning treatment, so lightened hair is often exactly the hair that wants it, but bleached hair is also the most fragile hair in the chair. The strand test stops being optional here: it tells the stylist how the hair takes the product and the heat before the whole head is committed.

If the request in your chair is really about shape rather than condition, the smoothing systems are the other half of this shelf: the Brazil Protein salon treatments, and the chemistry behind them in our smoothing guide.


Not sure which system the client needs?
Read the reducer, not the name on the tub. A botox conditions; a straightening cream changes the shape.
Brazil Protein Bio Lamination cream, shampoo and conditioner