1C Hair: How to Tell If You Have It + 14 Cuts That Tame It

1C hair is the most textured kind of straight hair: it grows straight from the root, then picks up a loose S-bend through the lengths, with coarse, thick strands and some frizz on top. It is the last subtype of type 1 before hair counts as wavy, and its one real problem is not flatness, like 1A, but puff.

Here is what most 1C guides get wrong. They tell you to thin it out and add layers to "take the bulk away". On 1C hair that does the opposite. The weight of the hair is what holds the bend down, and every layer you cut short is a piece of hair that is now free to bend outward and frizz. Keep the weight, and the bend reads as polish. Cut it out, and you get a triangle.

This guide covers how to tell whether you are 1B, 1C or 2A, why 1C hair puffs, fourteen cuts that suit it, how to choose one for your density, and how to style and care for it.

What is 1C hair?

1C hair is type 1 hair with the most bend and the most body. The first two or three inches come out of the scalp straight, then the hair starts to bend in a wide, loose S somewhere around the cheekbones or the jaw. The bend is uneven: some sections ripple, others hang almost straight. The strands are usually coarse, meaning each hair is wide, and that is why 1C has more volume than any other straight type.

The typing chart comes from stylist Andre Walker, whose hair typing system sorts hair from type 1 (straight) to type 4 (coily). The A, B and C letters inside each type were added later and are now the shorthand stylists and forums use. Within type 1, the letter tells you how much bend and body there is, and 1C has the most of both.

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What 1C hair does in daily life:

• It frizzes in humidity. The outer layer lifts and a halo forms on top, while the ends puff.
• It holds a curl for hours. Curl it with an iron and the curl is still there at night.
• It dries differently every day. The bend depends on how you towel it, how you sleep on it and the weather.
• It looks thicker than it is. Coarse strands that bend take up more room than the same number of straight ones.

Want to see it first? Try a new hairstyle on your own photo.

How to tell if you have 1C hair

The only reliable test is the air-dry test. Wash your hair, put conditioner on the ends only, use no styling product, then let it dry fully without brushing, blow-drying or touching it. Look at it in daylight.

• 1A: no bend anywhere, flat to the head. The 1A hair guide covers this one.
• 1B: straight with a slight flick at the ends and a bit of body at the crown. If that sounds like you, 1B hair has its own test and cuts.
• 1C: straight at the root, then a loose S-bend from mid-length down, coarse to the touch, with frizz on top.
• 2A: a clear, flat S-wave that starts higher, often at the ears, and repeats down the length. If the waves form a pattern rather than a random bend, read the 2A hair guide.

The tell between 1C and 2A is the pattern. 1C bends here and there and hangs straight in places. 2A forms the same S-shape again and again from the ears down.

1C vs 1B vs 2A hair

The three types sit next to each other on the chart, and plenty of people sit on the line between two of them. Use this to see which side you lean towards, because it changes which cuts work.

14 haircuts for 1C hair

Every picture below is the same hair type: straight at the root, a loose bend through the lengths, coarse strands. Only the cut changes, so you can see what each shape does to hair that wants to puff. The blunt, one-length shapes at the start are the easiest to live with; the heavily layered ones near the end need more styling to stop the outer layer frizzing.

Gallery14 photos · tap to enlarge

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Which cut suits your 1C hair?

Pick by the thing that actually differs between people with 1C hair: how much of it there is. The hair type is the same for everyone reading this; density is not, and it decides whether you need weight or need it taken out.

Fine 1C hair: keep one heavy line

If your strands are on the fine side or you do not have much hair, a blunt cut is your best friend. A chin-length blunt bob cut in one solid line keeps the full weight of the hair at the ends, which pins the bend down and makes thin ends look thick. The bend still shows, as a soft lift at the bottom, but it cannot run away. The layered bob guide is the next step if you want a little more movement.

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Thick 1C hair: take weight out from the inside

Thick, coarse 1C hair is the one case where you do need weight removed, but from the inside, not from the surface. Ask for long layers that start at the chin or lower and for internal weight removal under the top layer. The outline stays long and smooth, and the hair stops sitting like a triangle. A butterfly cut or a U-shaped back works for the same reason, and the shoulder length haircuts guide has more lengths for the in-between stage.

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1C hair and a round face

1C hair adds width at the jaw, because that is where the bend starts. On a round face, a chin-length bob with a middle part puts that width exactly where you do not want it. Go a few inches longer, to the collarbone, and part it to the side, so the bend sits below the jaw and the line runs down rather than across. If you are not sure what shape your face is, measure it here.

Why does 1C hair puff and frizz?

1C hair frizzes because the strand is coarse and bent. A bent strand has more cuticle facing outward, and the cuticle lifts when it takes up moisture from the air, which turns into the halo you see on humid days. The ends puff for the same reason, because they are the oldest, driest part of the hair and they are free to bend.

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The cut decides how much of that you see. Hair that is all one length weighs the bend down from the ends up. Short layers throughout the top give dozens of loose ends a chance to lift. That is why a blunt bob on 1C hair can look sleek on the same day a shag on the same head looks frizzy.

Mistakes that make 1C hair look puffy

• Thinning shears on the surface. A stylist sees a lot of hair and thins it out. On 1C hair the short pieces bend outward and sit on top as frizz. Ask for weight to come out underneath, never on the top layer.
• Short, choppy layers. The more short ends there are, the more of them lift. Keep the shortest layer at the chin or below.
• Brushing it dry. Brushing a dry bend breaks it into frizz. Brush or detangle in the shower with conditioner in.
• Rubbing with a terry towel. It roughs up the cuticle. Squeeze the water out with a cotton t-shirt or a microfiber towel instead.
• Treating it like curly hair. Heavy butters and curl creams flatten the roots and still do not make 1C hair curl. Light products only.

Say this in the chair to avoid the first two:

How to style 1C hair

You can wear 1C hair two ways: bring out the bend, or smooth it. Both start with damp hair and less product than you think.

To wear it smooth instead, blow-dry section by section with a paddle or round brush, pulling the hair straight from root to end, and use a heat protectant first. 1C hair holds a straightened shape well until it meets humidity, so a light anti-frizz spray matters more than usual. The heat protectant guide covers which one to pick for thicker hair.

How to care for 1C hair

1C hair sits between straight and wavy in its care too. It gets less oily than 1A because oil travels down a bent strand more slowly, and it needs more moisture on the ends.

• Wash: two or three times a week is enough for most people, with a gentle, sulfate-free shampoo.
• Condition: every wash, mid-lengths to ends, and detangle with your fingers or a wide-tooth comb while it is in.
• Leave-in: a light one on the ends. A heavy cream flattens the bend and leaves the hair limp at the root.
• Trims: every eight to ten weeks. Split, dry ends are what puff first.
• Sleep: a silk or satin pillowcase, or a loose low bun, keeps the bend from being crushed into frizz overnight.

Is 1C hair rare?

1C hair is less common than 1A and 1B, and it is often mistaken for something else. Many people with 1C hair spend years blow-drying it straight and call themselves straight-haired, and others see the bend and decide they are 2A. There is no reliable count of how many people have each hair type, so treat any "rarest hair type" ranking you see online as a guess.

Can you see a cut on your own 1C hair first?

Here is the wall with every tip above. 1C hair changes shape with the cut more than almost any other type: the same hair can look sleek in a blunt bob and puffy in a shag. The photos you save are almost always on different hair, and the only way to know whether a chin-length bob or a collarbone lob suits your face is to get one and live with it for two months.

A try-on takes the guessing out of that. Upload a selfie and see the cut on your own face before anyone picks up the scissors.

Is the try-on free?

Yes, the first look is free and needs no card: one hairstyle, one colour on it, front view. After that, Plus is $9.99 a week or $60 a year for 150 credits and every cut in the catalogue, and a hairstyle on your photo costs 10 credits. Every plan has a seven-day refund with no conditions.

One free look is enough to settle a single decision, like bob or lob, and that is usually the decision that matters.

1C hair is not frizzy hair that needs fixing. It is straight hair with a bend and a lot of body, and the cut decides whether that body looks polished or puffy. Keep the line blunt if your hair is fine, take weight out from underneath if it is thick, go longer if your face is round, and keep short layers off the top.

If you want bangs with it, wispy bangs sit better on a bend than heavy ones do, and the face shape guide matches lengths to your face. For the next type up, see 2B hair.