What is the Difference Between a S-Curl and a C-Curl Perm?

Key Takeaways

S-curl perms create flowing waves throughout the hair, while C-curl perms focus on adding shape and movement at the ends.
Those seeking more volume and texture often gravitate towards S-curls, while C-curls are popular for their neat, polished appearance.
S-curls generally work best on longer hair, and C-curls complement a variety of medium- to long-length styles.
The best choice between an S-curl and a C-curl perm ultimately comes down to your styling preferences, daily routine, and the look you want to achieve.

Introduction

If you’ve ever saved a photo of a Korean hairstyle and thought, “I want this look,” there’s a good chance it featured either an S-curl or C-curl perm.

While both perms add shape and movement, they create very different results. One gives you soft, polished ends that frame the face beautifully, while the other creates flowing waves that add texture and volume throughout the hair. For many people, they’re also an easy way to achieve a styled look that holds its shape better throughout a hot, humid day in Singapore.

Still confused about the two? Below, we break down the key differences to help you find the style that works best for you.

S-Curl vs C-Curl Perms: How Do They Differ?

Curl Shape and Placement

The biggest difference between the two types of perms comes down to the shape of the curl itself.

A Korean-style S-curl perm creates gentle waves that flow through a larger section of the hair. Rather than concentrating the curl at the ends, the wave pattern starts around the mid-lengths and continues downward, creating a softer, more textured appearance.

A C-curl perm creates a soft inward bend towards the ends of the hair. Instead of adding curls throughout the lengths, it focuses on giving the ends more shape and movement. The result is a neat, face-framing look that helps the hair fall more naturally.

Overall Volume and Texture

Both perms add movement and texture to your hair, though they differ in terms of the amount.

Because S-curl perms introduce waves throughout more of the hair, they tend to create a fuller and more voluminous look. The added texture can make the hair feel lighter, bouncier, and less flat, especially on longer hairstyles.

C-curl perms, on the other hand, focus less on volume and more on shape. The inward-curving ends help the hair look smoother and more polished, making it a popular choice for those who prefer a cleaner, more put-together style.

Longevity of the Results

How long your perm lasts depends more on your hair’s elasticity than whether you choose an S-curl or C-curl. Healthier, more elastic hair generally holds a perm better than hair that is heavily damaged or chemically processed.

The main difference is how the style changes after a trim. Since C-curls are focused at the ends, the effect may become less obvious once those ends are cut. S-curls usually flow through more of the hair, so the waves can often remain visible even after a few trims.

Does Your Hair Length Matter?

Not every perm works equally well on every hair length.

C-curl perms are particularly popular for medium- to long-length hairstyles, including shoulder-length cuts, long bobs, and layered styles.

On the other hand, S-curl perms tend to shine on longer hair, where the waves have enough length to flow naturally. They’re often paired with long layers and Korean-inspired haircuts, creating a soft, effortless look.

Which Perm Is Easier to Maintain?

If you’re looking for a hairstyle that requires minimal effort in the morning, it’s worth considering how much maintenance each perm needs.

C-curl perms are often the easier of the two to manage. Since the curl is concentrated at the ends of the hair, the shape tends to fall into place naturally as the hair dries. For many people, a quick blow-dry is enough to keep the style looking neat and polished throughout the day.

S-curl perms can require a little more attention to bring out the wave pattern. While they’re still relatively easy to style, using a lightweight curl cream or mousse, or simply scrunching the hair while it’s damp, can help the waves look more defined and bouncy.

How to Bring Out the Best in Your Curls

Regardless of whether you choose a C-curl or S-curl perm, good aftercare can help your curls stay defined and healthy for longer.

Tip #1: Style Your Hair While It's Still Damp

One of the easiest ways to bring out your perm is to apply styling products before your hair fully dries. A lightweight mousse, curl cream, or texturising spray can help define the shape without making your hair feel stiff.

If your curls are concentrated towards the ends, focus the product there. If you have waves running through more of your hair, gently scrunch the product upwards to encourage the pattern to form naturally. A little usually goes a long way, so there’s no need to overload your hair with product.

Tip #2: Be Gentle When Drying Your Hair

If you prefer a smoother, more polished finish, lightly blow-drying the ends inwards can help maintain the shape. For S-shaped curls, however, try not to pull the hair straight while drying. Instead, gently scrunch the hair or use a diffuser attachment to help the waves hold their shape.

On days when you have more time, consider using a mix of blow-drying and air-drying for the best results.

Tip #3: Put Down the Hairbrush

It can be tempting to brush your hair throughout the day, but this is one of the quickest ways to loosen the curl pattern and create frizz.

Instead, use a wide-tooth comb after washing your hair, or simply run your fingers through it to separate any tangles. This helps keep the perm’s shape intact while still allowing your hair to look soft and natural.

Tip #4: Moisturise

Like most chemical treatments, perms can leave the hair feeling a little drier than usual. Keeping your hair moisturised can help it stay softer, smoother, and easier to style.

Using conditioner after every wash is a good start. If your hair feels particularly dry, adding a weekly hair mask or treatment can help restore moisture and keep the ends looking healthy.

Find the Perm That Matches Your Style

Choosing the right perm often comes down to the overall look you want to achieve.

Choose a C-curl perm if you:

Prefer a neat, polished, and easy-to-manage hairstyle.
Want subtle movement rather than noticeable waves.
Have a medium-length or layered haircut and want the ends to sit more naturally.
Spend minimal time styling your hair each day.

Choose an S-curl perm if you:

Prefer soft waves and a more textured appearance.
Want added movement and volume throughout your hair.
Have longer hair that can showcase the wave pattern.
Enjoy effortless, Korean-inspired hairstyles with a relaxed finish.

If you’re still undecided, a consultation with a stylist can help you determine whether a C-curl or an S-curl perm best suits your hair type, face shape, and styling preferences.

At Picasso Hair Studio, our experienced hair stylists take the time to understand your hair goals before recommending a suitable perm style. We also use an in-house Hair Personality App that uses your face shape, skin tone, and even your build to place you into one of nine unique hair personality categories. The result is a more personalised process that helps you find a hairstyle you’ll feel confident wearing every day

Make an appointment with us today.