How to Rebond Your Hair at Home (and When Not To)

Rebonding is a chemical straightening treatment that gives very straight, smooth hair for months. You can use a home rebonding kit, but it is a long, careful process and works best on healthy, natural, uncoloured hair. If your hair is bleached, heavily coloured or already damaged, it is better to book a salon.

Rebonding is also called Japanese straightening or thermal reconditioning. This guide explains how it works, what you need, a step-by-step method, and how to look after your hair afterwards.

What is hair rebonding and how does it work?

Rebonding changes the shape of your hair so it stays straight. It has three main stages:

1. A straightening cream softens the hair's natural structure so it can be reshaped.
2. The hair is blow-dried and flat-ironed in small sections while it is straight.
3. A neutraliser locks the new straight shape in place.

The straight result stays until the hair grows out, so only the new growth at the roots needs retouching, usually every few months.

Should you rebond at home?

A home kit can work if your hair is in good condition and you follow the directions exactly. Think twice if:

• Your hair is bleached, highlighted, henna-dyed or already chemically straightened
• Your hair is very fine, very dry or breaks easily
• You have never used a chemical straightener
• You do not have a helper for the back sections

In those cases, a salon stylist can check your hair and choose the right strength. For a gentler alternative, read about keratin hair treatment types.

What you need for a rebonding kit

• A rebonding kit that matches your hair type (normal, resistant or coloured hair formulas exist)
• A clarifying or deep-cleansing shampoo
• Gloves, an old towel and a cape or shirt you do not mind staining
• A wide-tooth comb and sectioning clips
• A hair dryer and a ceramic flat iron with temperature control
• A timer
• A conditioner or mask for afterwards

Before you start: strand test

Check the kit instructions first and carry out any test they describe. Then do a strand test on a small hidden section. This shows how your hair responds and how long to leave the cream on. Skipping this step is the most common reason home rebonding goes wrong.

How to rebond hair at home, step by step

Always follow the timings printed on your kit. The steps below show the usual order.

1. Wash with a clarifying shampoo and towel-dry. Do not use conditioner.
2. Blow-dry the hair until it is fully dry and detangled.
3. Section the hair into four or more parts with clips.
4. Apply the straightening cream, starting at the back, working in thin sections and keeping it off the roots as the instructions direct.
5. Leave it to process for the time on the pack, checking a strand regularly. Never leave it on longer than directed.
6. Rinse thoroughly with lukewarm water until all the cream is gone.
7. Blow-dry the hair straight, using a brush or comb to keep it flat.
8. Flat-iron small sections, passing the iron through each one slowly and evenly, at the temperature on your kit instructions.
9. Apply the neutraliser, again section by section, and leave it for the time shown.
10. Rinse, condition and gently towel-dry. Keep the hair straight as it dries.

The whole process can take several hours, so set aside a full afternoon.

Mistakes that ruin a home rebond

• Leaving the cream on too long or applying it to the roots
• Using an iron that is too hot or going over the same section many times
• Skipping the strand test
• Rushing the neutraliser step
• Working with thick sections that the cream cannot cover evenly

Aftercare: the first 72 hours and beyond

The first three days decide whether your straight result holds.

• Do not wash your hair for about three days, or as the kit directs.
• Keep it straight. Avoid tying, tucking behind the ears, clips and headbands.
• Sleep carefully. Use a silk pillowcase and keep your hair loose and smooth.
• Avoid rain, sweat and steam in the first few days if you can.
• Use sulfate-free shampoo and a rich conditioner from then on.
• Wait before colouring. Check the kit for how long to wait.

To keep hair strong after a chemical service, our guides to adding weight to hair and getting rid of colour smell from hair include simple conditioning tips.

How long does rebonding last?

Rebonded hair stays straight until it grows out, which is why most people retouch the roots every few months. Take care with product choice and heat styling, because hair that was reshaped needs gentle treatment.

Rebonding vs keratin vs relaxer vs Japanese straightening

Treatment	How it works	How long it lasts	Best for
Rebonding	Reshapes the hair with cream, heat and neutraliser	Until the hair grows out	Very straight, sleek hair
Keratin smoothing	Coats the hair to reduce frizz	A few months	Frizzy or wavy hair, less dramatic change
Relaxer	Chemical straightening, no heat step	Until the hair grows out	Tightly curled or coily hair, usually done in a salon
Japanese straightening	A similar bond-reshaping process	Until the hair grows out	Very straight, shiny results

Gentler options if your hair is damaged

If your hair is very dry or already worn from colour or heat, build up its condition first with regular deep conditioning and trims, and talk to a stylist before using a chemical straightener.