Men's Hair Types: What They Are and Why They Matter for Haircuts

Hair type is a classification system that describes the natural curl or wave pattern of a person's hair. Knowing your hair type helps you understand which cuts will work for you, which products will be effective, and why certain styles behave differently on your hair than on someone with a different hair type.

The Classification System

Hair types are classified on a scale from 1 to 4, with subcategories A, B, and C within each number. The number indicates the curl pattern category; the letter indicates the tightness or intensity within that category.

Type 1 — Straight hair. No natural curl or wave pattern. Type 1A is very fine and straight. Type 1B is medium straight with slight bends. Type 1C is coarser straight hair with very slight natural wave. Type 1 hair tends to get oily faster because sebum travels down the hair shaft without curl patterns slowing its progress.

Type 2 — Wavy hair. An S-shaped wave pattern without a full curl. Type 2A has a loose, barely-there wave. Type 2B has more defined waves. Type 2C has strong waves that approach a curl pattern at the ends. Wavy hair is versatile — it can be styled straighter or allowed to express its wave pattern.

Type 3 — Curly hair. Defined curl pattern that springs back when stretched. Type 3A has large, loose curls. Type 3B has medium, spring-like curls. Type 3C has tight, dense curls that create significant volume. Type 3 hair requires more moisture than Types 1 or 2 and is more prone to frizz in dry conditions.

Type 4 — Coily/kinky hair. Very tight coil pattern. Type 4A has tight, defined S-shaped coils. Type 4B has a Z-shaped or angular coil pattern rather than a spiral. Type 4C has the tightest coil pattern with less definition visible in its natural state. Type 4 hair is the most fragile hair type, with the highest moisture requirements and the greatest shrinkage (the difference between stretched length and natural coil length).

CADMEN Training

Working with all hair types is a core skill in CADMEN's hands-on barbering program. academy.cadmen.ca/in-person-training.

Frequently Asked Questions

How do I know my hair type?

Your hair type is most accurately assessed when your hair is in its natural state — washed, conditioned, and air-dried without any products or heat styling. Assessing it under those conditions shows the actual natural pattern rather than how the hair has been manipulated. The assessment process: wash and condition your hair using your normal routine. Do not apply any product after washing. Allow the hair to air dry completely. Once completely dry, look at the natural pattern without touching or disturbing it. What you are looking for: does the hair lie flat with no discernible wave or curl? Type 1. Does the hair develop an S-shaped wave pattern but not a full curl? Type 2. Does the hair form defined curls that spring back when you stretch one and let go? Type 3. Does the hair coil very tightly, with significant shrinkage from its stretched length? Type 4. Within each type, the A/B/C subcategory describes whether the pattern is loose/medium/tight within that category. Type 3A has a much larger, more open curl than Type 3C, for example. Practical limits of self-assessment: many people have different hair types on different parts of the head. It is common to have Type 2C waves at the crown and Type 3A curls at the nape, for example. Professionals use the overall dominant pattern when classifying a client. The classification is also not a rigid identity — the pattern can be influenced by chemical treatments, heat history, and damage. Healthy, untreated hair expresses its natural pattern most clearly. If in doubt: showing your barber your hair in its natural, product-free state and asking them to assess gives you a more reliable answer than self-classifying from photos or descriptions.

Does hair type affect which haircuts work?

Hair type significantly affects which cuts are practical, look best, and are easiest to maintain. The relationship between hair type and cut is one of the most important parts of a barbershop consultation. How hair type affects cut choice and results: Type 1 (straight): holds precision cuts and sharp geometric lines very well because the hair lies flat and does not obscure the cut structure. Styles with hard parts, clean fade lines, and defined sections look exactly as cut on Type 1 hair. The limitation is that very straight, fine Type 1 hair can look flat and lack volume with cuts that rely on texture for shape. Volumizing cuts on fine straight hair often need product support. Type 2 (wavy): wavy hair can work with a wide range of cuts. The natural texture adds movement and volume without extra product. Cuts that allow the wave to be expressed (medium lengths with texture cuts, loose cuts that work with the natural movement) tend to be easier to maintain than cuts that require the wave to be suppressed. Type 3 (curly): curly hair adds significant volume and changes the apparent length of a cut (a section that measures 3 inches stretched will look 1.5 to 2 inches in its coil state). Cuts need to be adjusted for shrinkage. Blunt cuts on curly hair can create a "triangle" silhouette (narrow at top, wide at the ends) — layered cuts remove this weight and allow a more proportional shape. Type 4 (coily): significant shrinkage means the cut needs to account for how much the hair will compact on its own. Cuts that look short on a stretch may look dramatically shorter in the natural coil state. Products and moisture protocols significantly affect how the cut sits and looks daily. Most importantly: a skilled barber will adjust technique for your specific hair type. Telling your barber your natural hair type during the consultation — or coming in with your hair in its natural state — gives them the information they need to cut for how your hair actually behaves.

What products should I use for my hair type?

Product choice varies significantly by hair type because different types have different moisture needs, texture characteristics, and styling requirements. Type 1 (straight hair): tends to get oily quickly, so heavy creams and oils weigh the hair down and make it look greasy fast. The better choices: lightweight mousses or volumizing sprays for fine Type 1A hair, medium-hold matte clays or waxes for Type 1B and 1C. Clarifying shampoo every 1 to 2 weeks prevents product buildup. Type 2 (wavy hair): the goal for most wavy hair is to enhance the natural wave without suppressing it or making it frizzy. Leave-in conditioners applied to damp hair, followed by a light curl-defining cream or a curl-enhancing mousse, activate the wave pattern. The "scrunching" technique (working product upward into the damp hair from ends to roots) helps the waves form and hold. Frizz is a common issue in dry or humid conditions — anti-humidity products or a light serum applied over the finished style reduce it. Type 3 (curly hair): moisture is the most important product factor. A high-quality hydrating conditioner (and in many cases, co-washing with conditioner rather than daily shampooing) keeps curls defined and prevents the dryness that leads to frizz and breakage. Leave-in conditioners, curl creams, and gels applied to soaking wet hair allow the curls to form their natural pattern as they dry. The "LOC method" (liquid/oil/cream, layered) is a common approach for maintaining moisture. Type 4 (coily hair): needs the most intensive moisture of any type. Heavy butters, oils, and moisturizing creams are appropriate because the tight coil structure makes it difficult for natural scalp oils to travel down the hair shaft. Regular deep conditioning, protective styles to reduce breakage, and sealing moisture in with an oil or butter are standard practices. Wash frequency is typically lower (once a week or less) because overwashing strips the natural oils that coily hair struggles to replace.