hair type · curly hair
3B Hair: Care, Best Cuts,and Products
A guide to 3B hair, including how to spot it, a wash-day routine for defined curls, how to deal with dryness and shrinkage, and the most flattering cuts.
Hairover Team

3B hair has bouncy, springy curls about the width of your finger, usually starting close to the scalp. It looks full but tends to be dry, since scalp oil doesn’t travel well along the curl. The basics are moisture, a product with hold, and a cut that spreads your curls evenly, so that the shape stays round rather than triangular.
How to tell if you have 3B hair
Let your hair dry with no product, and look for:
- Well-defined ringlets, around the width of a finger or a marker
- Curls that start at or near the roots
- Significant shrinkage from wet to dry
- Dryness and frizz, particularly at the ends
3A curls are looser and wider. 3C curls are tighter, about the width of a pencil. Check the hair type chart if you’re unsure. Most heads have a mix.
A wash-day routine
1. Pre-wash, if you’re very dry. A light oil or conditioner on the ends can help protect them. Some people use coconut oil for this, but it doesn’t suit everyone.
2. Cleanse. Use a gentle shampoo on your scalp. Try about once a week, based on the AAD guidance on washing.
3. Condition and detangle. Apply plenty of conditioner and work through your hair with your fingers or a wide-tooth comb. Start from the ends.
4. Style on very wet hair. Layer a leave-in or curl cream, followed by a gel. Scrunch upward to encourage your pattern.
5. Dry gently. Scrunch with a microfiber towel, then air-dry or use a diffuser. Do not touch your hair until it’s dry.
6. Finish. Gently scrunch out the gel cast, using a drop of oil if you like.
Refreshing between washes
Mist your hair with water, and add a little curl cream to frizzy curls. Twist any stray ones around your finger, and let them dry. Sleep on a satin pillowcase or use a bonnet, or put your hair in a loose pineapple on top of your head to preserve it overnight.
Best haircuts for 3B hair
Rounded curly lob. Layers spread your curls evenly, and the shape lands at the shoulders when dry.
Curly shag. Lifts the top, and takes weight off the ends. A popular choice, as covered in shag haircut ideas.
Curly bob. Short and full, with enough layers to prevent a triangle. See bob haircut ideas.
Long layers. Long curls need shaping, or they turn heavy. Ask for layers cut curl by curl.
Men’s tapered curls. A low taper with fuller curls on top looks tidy but natural. See haircuts for thick, curly hair.
Curly bangs also work well if cut long and dry. Our guide on finding a curly hair stylist can help you find the right person to do it.
Common problems
Triangle shape. You probably need layers. Ask for weight to be removed from the sides and ends.
Flat top. Try root clips while drying, or crown layers.
Frizz. Often it’s a sign you need more moisture or hold, or that you’re touching it too much. See how to fix frizzy hair.
Curls that don’t spring back. Heat or chemical damage can loosen your curls. Those sections usually need to be trimmed as new growth comes in.
Limp or greasy curls. Your products may be too rich for your hair. Our hair porosity guide explains why this can happen.
Related guides
See the shape before you cut
Curly cuts are hard to picture, because curls shrink so much. Hairover reads your texture from a clear photo. Upload one, get a hair analysis, and try hairstyles on your own face in Style Studio.
FAQ
How do I know if I have 3B hair?
Your curls form springy ringlets about the width of your finger, starting close to the roots. They tend to shrink a lot and can get dry, particularly toward the ends.
How often should I wash 3B hair?
About once a week is a common starting point, and you can adjust from there. Scalp oil travels slowly along curls, so it often needs less frequent washing than straight hair.
Should 3B hair be cut dry?
Many curl specialists prefer it, because they can see the shape and allow for shrinkage. A good stylist may also use other methods successfully, so ask how they work.

