Purple flexi rods for creating heatless curls on natural hair

7 Ways to Get Heatless Curls on Natural Hair

If you want curls without repeatedly reaching for a curling iron or flat iron, there are several ways to create definition using setting, wrapping and stretching techniques instead.

Heatless styling can be especially useful when you want to reduce repeated direct-heat exposure while still changing the shape and finish of your hair. The method you choose will affect whether you end up with a tighter curl, softer wave, stretched definition or more overall volume.

Below, I’ll walk through seven ways to create curls or waves without direct heat, including flexi rods, Curlformers, Bantu knots, braid-outs, roller sets, twist-outs and pin curls. I’ll also explain where naturally curly or wavy human-hair extensions may fit if your goal is to add length or fullness rather than create the entire curl pattern from your own hair.

The short answer

Can You Create Defined Curls Without Heat?

Yes. Hair can be reshaped temporarily by setting it around rods, rollers, twists, braids or pin curls and allowing it to dry completely in that position.

The finished result depends on your starting texture, section size, how damp the hair is, the amount of styling product used and whether the set is completely dry before you take it down.

Which Heatless Curl Method Should You Try?

There is no single method that gives everyone the same result. Think first about whether you want defined spirals, stretched waves, volume or something that can comfortably set overnight.

Method Typical Result Best Starting Point Important Detail
Flexi Rods Defined spiral curls Damp or lightly product-coated stretched hair Smaller rods and sections generally create tighter curls.
Curlformers Uniform elongated spirals Damp, detangled sections Hair should be fully inside the sleeve and completely dry before removal.
Bantu Knots Springy curls or soft waves Stretched or lightly damp hair Smaller knots generally produce tighter definition.
Braid-Out Textured waves with volume Damp or dry stretched hair Braid size changes the amount of definition.
Roller Set Polished curls with body Damp, detangled hair Keep the ends smooth around the roller.
Twist-Out Soft defined curls with texture Damp or lightly moisturized hair Allow twists to dry completely before separating.
Pin Curls Classic curls or soft waves Slightly damp or styled hair Section size controls the finished curl size.
Method 1

Heatless Curls with Flexi Rods

Flexi rods are one of my favorite ways to create a defined spiral because you can change the result simply by changing the rod size and the amount of hair wrapped around each rod.

Flexi rod set creating heatless curls on natural hair

Video tutorial credit: @brialarine

  1. Start with detangled hair: Stretched hair can make wrapping easier, although your starting state should match the finish you want.
  2. Work in manageable sections: Apply your preferred setting product lightly rather than saturating the section.
  3. Wrap the ends smoothly: Keep the ends flat against the rod before continuing upward so they do not dry crimped or folded.
  4. Roll toward the scalp: Maintain even tension without pulling the section painfully tight.
  5. Allow the set to dry completely: Remove the rods only after the hair is dry through the center of each section.
  6. Separate carefully: Use lightly oiled fingertips if desired and separate only as much as necessary for your preferred fullness.
For tighter or looser curls, change the rod—not just the product.

Smaller rods and smaller sections generally create tighter spirals. Larger rods create a softer, more open finish.

Method 2

Heatless Curls with Curlformers

Curlformers shape the hair inside a spiral sleeve, which makes them useful when you want a more uniform elongated curl from section to section.

Curlformers used to create elongated heatless curls
  1. Detangle first: The section should be smooth enough to pass through the sleeve without snagging.
  2. Load the Curlformer: Run the hook through the sleeve according to the tool's instructions.
  3. Hook the section near the root: Gently pull the hair through the Curlformer rather than forcing an oversized section into the sleeve.
  4. Repeat in even sections: Keeping your sections relatively consistent helps create a more uniform finished pattern.
  5. Dry completely: Hair that is still damp inside the sleeve can lose its shape quickly after removal.
Do not overfill the sleeve.

Using too much hair in one Curlformer can make the section harder to pull through and can extend drying time.

Method 3

Heatless Curls with Bantu Knots

Bantu knots can create everything from compact curls to softer waves depending on section size, starting texture and how tightly each section is wrapped.

Bantu knots used to create heatless curls on natural hair

Photo credit: @teairawalker

  1. Section the hair: Choose smaller sections for tighter definition or larger sections for a softer result.
  2. Apply styling product if needed: Use enough for control without leaving the section overly wet.
  3. Twist the section: Begin at the base and continue down the length.
  4. Wrap the twist around itself: Form the knot while keeping the ends secured without excessive pulling at the root.
  5. Allow the hair to set completely: Untwist carefully and separate once dry.
Method 4

Create Heatless Waves with a Braid-Out

A braid-out is one of the simplest methods when you want more stretched definition than a rod set typically gives.

  1. Divide the hair into sections: Six to eight sections can be a useful starting point, but adjust according to your density and desired wave size.
  2. Apply your styler: Work the product evenly through each section before braiding.
  3. Braid to the ends: Keeping the braid consistent helps keep the pattern more even from root to tip.
  4. Let the hair dry completely: Taking braids down while damp can quickly soften the pattern and increase frizz.
  5. Unravel gently: Separate and fluff only as much as needed for your desired volume.
For more definition

Braid Smaller Sections

Smaller braids generally create more visible bends and definition once the hair is released.

For softer texture

Use Larger Sections

Larger braids usually create broader waves with less separation throughout the finished style.

Method 5

Create a Heatless Roller Set

A roller set gives you a polished curl with body and can be especially useful when you want a smoother finish rather than a highly separated textured curl.

Roller set used to create curls without a curling iron

Video credit: @stylistlee

  1. Detangle each section: Smooth sections help the hair wrap around the roller more evenly.
  2. Start at the ends: Keep the tips smooth around the roller before rolling toward the root.
  3. Secure the roller: Use the fastener designed for your roller type without creating uncomfortable tension.
  4. Allow the set to dry fully: The hair closest to the scalp and inside larger rollers may take longer than the surface appears to.
  5. Remove and shape: Separate, brush or finger-style according to the finish you want.
Roller size changes the silhouette.

Larger rollers create more body and bend, while smaller rollers create a more defined curl.

Method 6

Create Defined Heatless Curls with a Twist-Out

A two-strand twist-out is useful when you want visible curl definition while still keeping some of the texture and volume of your natural hair.

  1. Work on detangled hair: Slightly damp hair is often easier to shape, but it should not be soaking wet if you need the style to dry overnight.
  2. Divide the hair into sections: Smaller twists generally create tighter definition; larger twists create a softer result.
  3. Split each section into two: Twist the two pieces around one another from root to end.
  4. Pay attention to the ends: Smooth or finger-coil the final section if you want the tips to finish with more curl.
  5. Let the twists dry completely: Untwist carefully and separate only after the interior is dry.
Do not judge dryness only by the outside of the twist.

The surface can feel dry while the center remains damp, especially on larger sections or very dense hair.

Method 7

Create Classic Curls with Pin Curls

Pin curls are a simple way to shape sections of hair into circular curls without using a curling iron.

  1. Start with slightly damp or prepared hair: Avoid soaking the section if you need it to dry within a reasonable amount of time.
  2. Choose the curl size: Smaller sections produce smaller curls, while wider sections create softer movement.
  3. Wrap the section around your finger: Form the curl without twisting the hair into a rope.
  4. Roll toward the scalp: Keep the circular shape intact and secure it with a pin or clip.
  5. Allow the set to dry completely: Remove the pins gently and arrange the curls without over-separating.

If you use a light-hold styling spray, consider it optional support rather than something every pin-curl set requires.

Why Your Heatless Curls May Not Be Lasting

A heatless set can look beautiful when you first remove the rods or braids and then soften much faster than expected. Often, the issue is not the method itself but how the set was prepared or dried.

The Hair Was Still Damp

Hair that has not dried fully in its set shape can begin relaxing almost immediately after you take it down.

You Used Too Much Product

Heavy creams, oils or gels can weigh down some hair types and extend drying time.

You Separated Too Much

Pulling every curl apart can increase volume, but it also breaks larger curl formations into smaller pieces and can increase frizz.

Complete drying is one of the most important parts of a heatless set.

If you plan to set the hair overnight, choose a section size and amount of moisture that realistically allow the interior of the set to dry before morning.

Can You Use Heatless Curl Methods on Human-Hair Extensions?

Many of these techniques can also be used on quality human-hair extensions, but the way you handle the hair should reflect how the extensions are installed.

Loose wefts or removable extension hair can usually be manipulated more freely because you can support the construction while setting the hair. Installed extensions require additional care around wefts, beads, bonds, lace or other attachment points.

  • Avoid unnecessary pulling near attachment points.
  • Do not wrap rods or rollers so tightly that they create tension on your natural hair.
  • Make sure installed hair and the natural hair underneath are fully dry.
  • Use products appropriate for the extension texture rather than automatically using the same amount you use on your natural hair.

If you are wearing naturally curly or wavy extensions, you may also find that refreshing the existing texture requires less manipulation than creating an entirely new curl pattern from straight hair.

Want More Length or Fullness with a Naturally Curly Finish?

If the goal is not just curl definition but also additional length or density, you do not necessarily have to create the entire curl pattern through a rod or roller set.

Starting with human hair that already has a naturally curly texture can give you a different foundation. You can then refresh, define or reshape that texture according to the finished style you want.

For soft, open curl definition

SL Raw Loose Curly Hair

Loose Curly has a soft, open curl pattern with more definition than Natural Wavy while still maintaining movement. It can be a useful option when you want a naturally curly sew-in rather than repeatedly creating the entire texture with styling tools.

Because it is human hair, the texture can also be refreshed, conditioned and restyled according to the look you want.

Prefer Soft Waves Instead of Defined Curls?

Not every heatless style needs to finish with a spiral. If you prefer softer movement, a naturally wavy extension texture may make more sense than starting with a tighter curl.

SL Raw Natural Wavy Hair has a softer wave pattern that can be worn in its natural state or styled into more defined curls when you want to change the finish.

How to Choose Between Loose Curly and Natural Wavy Hair

The easiest distinction is the amount of curl definition you want before styling.

More visible curl

Loose Curly

Choose Loose Curly when you want a larger, open curl pattern with visible definition and soft movement.

Softer movement

Natural Wavy

Choose Natural Wavy when you prefer a looser wave that can be worn naturally, curled for more definition or straightened when desired.

Neither option is automatically the “better” texture. The better choice is the one that aligns with the hair you plan to leave visible, the finished look you want and the amount of styling you expect to do.

Not Sure Which Extension Texture Will Blend?

Curl labels alone do not always tell the full story. Look at the size of the curl, overall density, how much of your natural hair will remain visible and whether you plan to wear your own hair stretched, curly or straightened around the extensions.

I want to compare

Read the Texture Matching Guide

Compare Natural Wavy, Loose Curly and the other SL Raw textures before choosing the hair for your installation.

Compare Extension Textures
I want curls

Browse Curly Human Hair

Explore current curly wefts, I-Tips, closures and wigs according to the type of installation you are planning.

Explore Curly Extensions
I need personal help

Get Texture & Color Guidance

Send photos if you are unsure which extension texture or color direction makes sense for your intended style.

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Frequently Asked Questions

Are heatless curls actually better for your hair?

Heatless styling can reduce how often you expose the hair to direct heat, but it does not automatically make every technique damage-free. Excessive tension, rough detangling, overly tight rollers or manipulating fragile wet hair can still contribute to breakage.

Should hair be wet or damp for heatless curls?

Slightly damp hair can help many sets take shape, but the correct moisture level depends on the method and your hair. Soaking-wet sections may take much longer to dry, especially when wrapped around rods, rollers or inside large twists.

Why do my heatless curls fall so quickly?

Common reasons include taking the set down before the hair is completely dry, using sections that are too large, applying too much heavy product or separating the finished curls more than necessary.

How long should I leave heatless curls in?

There is no universal number of hours. The important factor is whether the hair has dried completely in the shape of the set. Dense hair, large sections and very wet starting hair usually require more drying time.

Which heatless curl method gives the loosest result?

Larger braid-outs, larger Bantu knot sections, large rollers and larger pin curls generally create softer, more open movement than smaller rods or tightly sectioned sets.

Can I do heatless curls on human-hair extensions?

Yes, many heatless setting methods can be used on human-hair extensions. Handle installed extensions gently around attachment points, avoid excessive tension and make sure both the extensions and any natural hair underneath are completely dry.

Do naturally curly extensions still need styling?

They may still need refreshing, detangling, moisture and occasional reshaping depending on the texture and how the hair is worn. Starting with a naturally curly extension texture simply means you are not creating the entire curl pattern from straight hair every time.

What is the difference between Loose Curly and Natural Wavy extensions?

Loose Curly has a more visible open curl pattern, while Natural Wavy has softer, looser movement. Choose according to your desired finish and how the extension texture needs to blend with any natural hair you plan to leave visible.

More expert hair guidance

Learn How to Style and Care for Your Extensions

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Choose the Curl Pattern That Fits How You Want to Wear Your Hair

Whether you create the curl with rods, braids and twists or begin with naturally curly human hair, the goal is the same: choose a texture and routine that works with the finished style you actually want to maintain.

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