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Type 3B Hair

Type 3B hair forms springy, well-defined ringlets about the width of a marker, with lots of volume and a tendency toward dry ends.

Curly · Springy ringlets

Type 3B curls are tighter than 3A: springy ringlets roughly the width of a marker that start close to the scalp. They have a lot of bounce and natural volume, and when they clump together they look full and defined.

As curls get tighter, the twists along each strand make it harder for scalp oil to travel down to the ends. That's why 3B hair often feels dry at the ends even when the roots are fine, and why it usually needs more moisture than wavy or 3A hair. Tangles also become more common, especially at the nape and under layers where curls rub together.

Most 3B routines combine a rich conditioner, a leave-in or curl cream for moisture, and a gel or custard for hold. How much of each you need depends on strand thickness and porosity — something the hair type alone doesn't tell you, which is why it's worth taking a porosity test as well.

Take the quiz Test your porosity →

Hair type alone doesn’t decide your routine. Porosity, density and strand thickness shape which products work far more than curl pattern — two people with 3B hair can need very different routines.

Strengths

Bouncy, voluminous curls with clear definition.
Holds shape well in wash-and-go styles.
Versatile: works with twist-outs, updos and occasional straightening.
Moderate shrinkage, so length is still visible.

Common challenges

Dry ends and frizz, especially in dry or very humid air.
Tangles and single-strand knots at the nape.
Curls can lose definition after day two or three.
Volume can turn into puffiness without enough hold.

How to care for 3B hair

Pre-poo or detangle with conditioner before shampooing to reduce knots.
Use a moisturizing conditioner every wash and deep condition weekly.
Layer a leave-in or curl cream under a gel; apply in small sections.
Use a gentle cleanser for regular washes and clarify occasionally.
Sleep on satin or wear a bonnet to cut friction and frizz.
Trim or dust regularly to remove knots and splits before they travel.

Styles that suit 3B hair

Defined wash-and-go curls
Twist-outs and braid-outs
High puffs and pineapple updos
Curly tapered cuts
Two-strand twists as a low-manipulation style
Flexi-rod sets

Shrinkage: Moderate — about 30–40%.

How hair typing works

The 1–4 / A–C chart sorts hair by the shape strands take on their own: 2 is wavy, 3 is curly and 4 is coily, and the letters go from looser (A) to tighter (C). It is a widely used convention rather than a scientific scale — researchers who measured curl objectively found it varies continuously, which is why many heads sit between two types.

Our hair type quiz scores eight observations of clean, product-free hair: wet strand shape, the pencil test, curl width, shrinkage, a single dry strand, a product-free wash, root-to-end pattern and how fast hair dries out. Use your type to set styling expectations and handling habits; use porosity, density and strand thickness to choose products.

3B at a glance

	3B
Family	Curly
Pattern	Springy ringlets
Curl width	Marker (~¾ in)
Typical shrinkage	30–40%
Common needs	More moisture for dry ends

See the full chart of all nine types.

Frequently asked questions

What is the difference between 3B and 3C hair?

3B ringlets are about the width of a marker; 3C curls are tighter corkscrews closer to the width of a pencil or straw. 3C hair is usually denser and shrinks more.

Why are my 3B curls dry at the ends?

Scalp oil travels poorly down a tightly curled strand, and the ends are also the oldest part of the hair. Regular deep conditioning, a leave-in and sealing the ends with a little oil or cream usually help.

How often should I wash 3B hair?

Most people with 3B hair wash once or twice a week with a gentle cleanser, using conditioner in between if the scalp allows. Wash more often if your scalp gets oily or itchy — scalp comfort comes first.