The Complete Guide to Rebonded and Straightened Hair Care

Freshly rebonded hair can feel almost effortless. It sits flatter, looks glossier and takes less time to style. A few weeks or months later, however, the ends may feel dry, humidity can create a fuzzy halo and the natural texture at the roots becomes more noticeable.

That does not always mean the treatment has “stopped working”. Rebonded and chemically straightened hair simply needs a different balance of cleansing, conditioning and handling from untreated hair.

This guide explains what changes during chemical straightening, how porosity affects frizz, whether you need a dedicated rebond shampoo and how to build a routine that protects both the sleek result and the condition of your hair.

What does rebonding do to your hair?

Hair rebonding is a permanent chemical straightening process. It alters bonds within the hair’s cortex, the inner structure that helps determine the strand’s shape, before the hair is reset in a straighter position. The treated section remains structurally changed, while new hair growing from the scalp keeps its natural texture.

The process can also leave the protective cuticle more weathered and the strand more porous. In everyday terms, the hair may lose moisture more readily, tangle more easily and become less tolerant of friction, heat and overlapping chemical services. Reviews of chemical straighteners have documented possible hair-shaft damage, breakage, scalp inflammation and hair loss, although risk varies with the product, technique, exposure and individual response.

The practical goal after rebonding is therefore not to keep forcing the hair straighter. It is to reduce avoidable stress while maintaining softness and manageability.

The first few days after rebonding

Follow the instructions from the salon that performed your treatment. Rebonding, relaxing, keratin and smoothing systems can have different setting times, so there is no universal rule for when to wash, tie up or wet the hair.

Before leaving the salon, confirm:

When you can wash your hair
Whether clips, elastics or tucking behind the ears should be avoided
When you can colour, bleach or retouch it
Which products the stylist recommends avoiding
What to do if your scalp remains sore or continues burning

Intense burning, blistering, swelling, open sores or worsening pain are not routine aftercare concerns. They may indicate irritation or a chemical burn and should be assessed promptly.

A practical rebonded hair care routine

A useful routine does not need ten steps. Focus on cleaning the scalp, conditioning the lengths, limiting friction and reducing unnecessary heat.

1. Wash according to your scalp

There is no perfect weekly wash schedule for everyone. An oily scalp may need more frequent cleansing, while dry or coarse hair may feel better with longer gaps.

Saturate the hair with lukewarm water, apply shampoo mainly to the scalp and massage with your fingertips. Let the lather move through the lengths as you rinse rather than piling the hair up and scrubbing it together.

Shampoo twice only when oil, dry shampoo or styling buildup remains. Repeatedly chasing a “squeaky-clean” feeling can leave processed lengths rough and tangled.

2. Condition after every shampoo

A conditioner for smooth, straightened hair improves slip, reduces friction and makes detangling easier. Apply it through the mid-lengths and ends, concentrating on the oldest sections. Fine hair may need a lighter amount; coarse or highly porous ends may benefit from a richer formula or an occasional mask.

A matching system can simplify product selection. The CRAFT Rebond System Shampoo and Conditioner are designed for rebonded, chemically straightened and frequently heat-styled hair. The formulas include avocado oil, panthenol and smoothing conditioning agents to support softness and manageability.

Recommended from Scalp Solution

Craft Rebond System Conditioner for dry and frizz-prone straightened hair

Are your straightened lengths becoming rough, porous and harder to control?

The ends of rebonded hair often show dryness and surface roughness before the roots do. Craft Rebond System Conditioner is made for the altered needs of chemically straightened and heat-styled hair, using Avocado Oil and Panthenol alongside smoothing and detangling ingredients to improve softness, slip and manageability. Applied from the mid-lengths down, it helps porous sections feel more polished without unnecessarily coating the scalp.

Avocado Oil and Panthenol help soften and condition dry, processed lengths
A smoothing silicone complex helps reduce surface roughness and create a sleeker finish
Conditioning agents improve slip, making wet hair easier to detangle with less pulling
Best applied through the mid-lengths and ends after every shampoo, rather than directly to the scalp

Shop conditioner Pair with shampoo

3. Detangle with less force

Processed hair can be more vulnerable when wet. Use a wide-tooth comb or flexible detangling brush, begin at the ends and work upwards in sections.

If knots repeatedly form in the same area, more force is not the answer. The section may need extra conditioning, less friction or a trim.

4. Dry gently

Squeeze out excess water and blot with a microfibre towel or soft cotton T-shirt rather than rubbing.

Air-drying is not the only acceptable option. A controlled blow-dry may be practical: apply heat protectant, keep the dryer moving and use the lowest effective temperature. Frequent high heat can weaken the cuticle and increase dryness and breakage.

Regular shampoo versus rebond shampoo

A regular shampoo is primarily designed to remove oil, sweat and residue. A rebond or straight-hair shampoo usually adds a stronger focus on slip, conditioning and surface smoothness.

That does not mean every regular shampoo is harsh or every product labelled “rebond” is automatically better. Look at the complete formula and, more importantly, how your scalp and lengths behave over several washes.

A suitable shampoo should:

Clean the scalp comfortably
Rinse without leaving the roots coated
Avoid repeatedly leaving the ends squeaky, rough or knotted
Pair well with your conditioner
Suit your scalp oil level and wash frequency

Do not choose solely by whether a product is sulphate-free. Surfactants vary, formulas often use blends, and conditioning ingredients influence the final result. Equally, an extremely rich “repair” shampoo may weigh down fine hair or contribute to buildup.

An occasional deeper cleanse can be useful if you rely on dry shampoo, oils, silicone-rich stylers or frequent swimming. Follow with conditioner and reduce the frequency if your hair becomes rough.

Recommended from Scalp Solution

Craft Rebond System Shampoo for rebonded and chemically straightened hair

Is your regular shampoo leaving straightened hair clean—but rough?

Rebonded hair still needs a thorough cleanse, but repeatedly washing processed lengths with the wrong formula can leave them feeling dry, tangled and harder to smooth. Craft Rebond System Shampoo is designed for chemically straightened, rebonded and frequently heat-styled hair, combining an effective cleansing blend with Avocado Oil, Panthenol and conditioning ingredients that support a softer, more manageable finish after rinsing.

Removes everyday oil, styling residue and environmental buildup without treating processed hair like untreated hair
Avocado Oil and Panthenol help support softness and condition during the cleansing step
Dimethiconol and conditioning guar help improve slip and reduce the rough feeling that can lead to tangling
Designed to pair with the Craft Rebond System Conditioner for a complete two-step wash-day routine

Shop shampoo Complete Step 2

Porosity: why straightened hair can still frizz

Hair porosity describes how readily a strand takes in and loses water. Think of the cuticle as overlapping roof tiles. When the surface is compact and even, moisture movement is more controlled. When it is weathered, chipped or raised, the strand tends to absorb and release water more quickly.

Chemical processing, repeated heat and mechanical wear can increase porosity. Signs may include fast-wetting ends, quick drying, frequent tangles, roughness, rapid colour uptake and frizz in humid weather.

Home float tests are not especially reliable because product residue, oil and surface tension can change the result. It is more useful to observe your hair across several wash days.

Porous rebonded hair generally benefits from consistent conditioner, leave-in protection where needed and a light serum or cream to reduce friction. Start with a small amount, especially on fine hair.

An anti-frizz routine for Australian conditions

Frizz does not necessarily mean the straightening service has completely reversed. Dry ends, humidity, new growth, cuticle wear and shorter broken hairs can all contribute.

On wash day:

Cleanse the scalp without aggressively scrubbing the lengths.
Condition the mid-lengths and ends.
Blot rather than rub.
Apply leave-in conditioner or heat protectant to damp lengths.
Blow-dry in sections with the airflow pointing downwards.
Finish with a small amount of smoothing serum on dry areas.

Between washes, use soft scrunchies, avoid repeatedly ironing already-straight sections and consider a satin or silk pillowcase to reduce overnight friction.

Sun, salt and chlorinated water can add to dryness. Wet the hair with clean water before swimming, use a swim cap where practical and rinse soon afterwards. Condition the lengths after ocean or pool exposure.

How to reduce further chemical-straightening damage

Hair products can improve softness, lubrication and appearance, but they cannot return chemically altered hair to its original untreated structure. Prevention matters.

Avoid overlapping chemical services

The boundary between new growth and previously straightened hair can be vulnerable. Retouches should focus on regrowth and be performed by a qualified stylist who can assess the condition of the lengths.

Be cautious about combining rebonding with bleach, permanent colour or another strong straightening service. The American Academy of Dermatology recommends limiting at-home chemical straightening and using experienced professionals who can assess the hair and scalp.

Use less heat, not more

One benefit of rebonding is that less daily straightening should be necessary. Use heat protectant, avoid repeated passes and reserve flat irons for areas that genuinely need refinement.

Trim severely split ends

Serums can temporarily smooth split ends, but they cannot permanently fuse them. Small, regular trims can reduce catching, tangling and continued splitting.

Be realistic about “repair”

Protein, bond-building and conditioning treatments may improve feel or manageability, but more is not always better. If a treatment leaves the hair stiff, rough or more prone to snapping, use it less often and return to a simpler conditioning routine.

Caring for the scalp underneath straightened hair

The scalp and lengths may need different things. Your scalp produces oil and may experience sweat, flakes or sensitivity, while the ends may be dry and porous.

Keep conditioner and heavy masks mainly on the lengths unless the label specifically directs scalp use. Persistent dandruff, severe itching, sores or sudden shedding should not be treated as a simple frizz problem.

Growing out rebonded hair

As natural texture returns, the point where new growth meets processed hair may become harder to manage. The two sections move differently, and repeated straightening at the roots can stress the boundary.

Keep both textures conditioned, use low-tension hairstyles, detangle in sections and trim gradually. A stylist can also create a shape that makes the transition less obvious. You do not need to cut all the treated hair off at once.

When should you seek medical advice?

See a GP or dermatologist if you notice ongoing burning, swelling, blistering, open skin, spreading redness, pus, sudden patchy hair loss or significant shedding that continues after the service. Seek urgent help for breathing difficulty or facial swelling.

For a suspected chemical burn in Australia, Healthdirect provides first-aid guidance and lists the Poisons Information Centre on 13 11 26.

Frequently asked questions

How long should I wait before washing rebonded hair?

Use the timing provided by your stylist and the treatment manufacturer. Setting times differ, so a universal online rule may not apply to your service.

Can I use normal shampoo on rebonded hair?

Yes, if it cleans your scalp comfortably without repeatedly leaving the lengths rough or tangled. A rebond shampoo may provide additional smoothing and conditioning support.

Why is my rebonded hair becoming frizzy?

Possible causes include increased porosity, dry ends, humidity, rough towel-drying, repeated heat, product buildup, breakage and natural-textured regrowth.

Recommended from Scalp Solution

BioScalp Scalp Cleanser pre-shampoo treatment for scalp buildup

Using more smoothing products? Do not forget the scalp underneath.

Leave-in creams, smoothing serums and dry shampoo can make rebonded hair easier to manage, but regular use may also leave residue around the roots. BioScalp Scalp Cleanser is a pre-shampoo step that helps lift excess oil, product buildup and surface impurities before your usual wash. Tea Tree Oil and a coconut-derived cleansing blend provide the cleanse, while Black Oat Seed Extract, Aloe Vera and Panthenol help keep the scalp from feeling unnecessarily stripped.

Used before shampoo to give the scalp a more thorough reset when regular washing is not enough
Helpful for routines that include dry shampoo, smoothing products, oils or heavier conditioners
Tea Tree Oil and coconut-derived cleansing agents help lift excess oil and accumulated residue
Black Oat Seed Extract, Aloe Vera, Panthenol and Lecithin provide supporting conditioning care

Shop scalp cleanser Finish with tonic

How often should I condition rebonded hair?

Condition after each shampoo. Adjust the amount and richness according to your hair density, porosity and how easily the ends become weighed down.

Can damaged rebonded hair be fully repaired?

Products can improve softness, slip, strength and appearance, but they cannot return chemically altered hair to its original structure. Severe splitting or breakage may require trimming and a pause from further chemical services.

Keep the routine gentle and consistent

Good rebonded hair care is not about collecting the most products. It is about keeping the scalp clean, conditioning every wash, handling wet hair gently and avoiding the cycle of dryness followed by more heat.

If your straightened hair feels rough or difficult to manage, begin by reviewing your wash routine. Explore the CRAFT Rebond System for a coordinated shampoo-and-conditioner option designed for rebonded, chemically straightened and heat-styled hair, or use the Scalp Solution Routine Finder to match your hair goal with any separate scalp concerns.

Recommended from Scalp Solution

BioScalp Advanced Scalp Tonic daily leave-in scalp treatment

Your routine protects the lengths. What supports your scalp between washes?

Rebond shampoo and conditioner are mainly concerned with keeping processed hair soft and manageable. BioScalp Advanced Scalp Tonic adds a separate, scalp-focused step without requiring another rinse or coating the straightened lengths in more product. Applied directly to a towel-dried scalp, the leave-in formula combines Niacinamide, Aloe Vera and Panthenol with Biotin and Capixyl™ to support a comfortable, well-conditioned scalp environment between wash days.

Applied directly to the scalp after washing and left in without rinsing
Niacinamide supports the scalp barrier and helps maintain balanced moisture
Aloe Vera and Panthenol provide lightweight soothing and conditioning support
Keeps scalp care separate from the richer products used on dry, rebonded mid-lengths and ends

Shop scalp tonic Start with cleanser