Discover the four main hair types: straight, wavy, curly, and coily. Learn how hair texture influences product selection, routines, and hair care needs.

There are four main types of hair texture:&#xA0;Type 1 - straight, Type 2 - wavy, Type 3 - curly, and Type 4 Coily <ul><li>Straight: Hair has little to no bend or curl</li><li>Wavy: Hair has a gentle wave, between straight and curly</li><li>Curly: Hair forms defined S-shaped or loopy curls, often prone to dryness and frizz</li><li style="text-align: left;">Coily: Hair has tight, spiral or zig-zag curls, tighter than curly hair<img src="https://attachments.gorgias.help/v31pE7yjoO4xZaGQ/hc/MNVgn6mwqe71j8BO/2026031716-a6cd303a-1fd3-4c3c-8d47-ae7b1426800a-hair%20type%202.jpg" style="width: 300px;" class="fr-fic fr-dib"></li></ul>

What’s My Hair Type?

Shop personalized haircare by hair type. Discover shampoos, conditioners, treatments, and styling products designed for straight, wavy, curly, and coily hair.

Your hair type deserves products created specifically for it. That&#x2019;s why we&#x2019;ve evolved our customization model to make getting your best results even simpler, and to make building your full regimen more seamless than ever.To get started, click Shop at the top of FunctionofBeauty.com and choose your hair type:Straight: Hair with little to no bend or curl Wavy: Hair with a soft, natural wave that falls between straight and curly Curly: Hair with defined S-shaped or ringlet curls that can be prone to dryness and frizz Coily: Hair with tight spirals or zig-zag curls that are denser and more delicateOnce you select your hair type, you&#x2019;ll see a curated lineup of products recommended specifically for you, so you can confidently build a routine designed to help your hair look and feel its best.

How Do You Shop By Hair type?

Explore Function of Beauty's Hair Education Hub for expert advice on hair types, hair care routines, hair texture, porosity, scalp health, and personalized haircare. Discover styling guides for straight, wavy, curly, and coily hair, plus tips to help

Explore <a href="https://functionofbeauty.com/blogs/blog">Function of Beauty&apos;s Hair Education Hub</a> for expert advice on hair types, hair care routines, hair texture, porosity, scalp health, and personalized haircare. Discover styling guides for straight, wavy, curly, and coily hair, plus tips to help you understand your hair&apos;s unique structure and needs.&#xA0;

Explore the Function of Beauty Blog

Straight hair may appear naturally smooth, but it can still benefit from leave-in conditioner, especially if you regularly use hot tools. Applying leave-in treatment before blow-drying or styling helps support moisture retention while providing an ad

<h2 id="isPasted">How to Use Leave-In Conditioner by Hair Type</h2><h3 id="straight-hair">Straight Hair</h3>Straight hair may appear naturally smooth, but it can still benefit from leave-in conditioner, especially if you regularly use hot tools.Applying leave-in treatment before blow-drying or styling helps support moisture retention while providing an additional layer of protection against heat exposure. The result is hair that feels softer, looks smoother, and remains easier to style.<h3 id="wavy-hair">Wavy Hair</h3>Wavy hair often sits between straight and curly hair when it comes to moisture needs.Applying leave-in conditioner to damp hair can help support wave definition while minimizing frizz and dryness. Scrunching the product through your hair after washing can help encourage your natural pattern while maintaining softness and movement.<h3 id="curly-hair">Curly Hair</h3>Curly hair naturally loses moisture more quickly because its curved structure makes it harder for scalp oils to travel down the hair fiber.A leave-in conditioner helps support hydration throughout the day while helping curls maintain their shape and definition. Apply to damp hair after washing and distribute evenly before air-drying or diffusing.<h3 id="coily-hair">Coily Hair</h3>Coily hair often benefits the most from leave-in conditioner because moisture retention can be especially challenging.Using a leave-in treatment regularly can help support softness, manageability, and moisture retention between wash days. It also works well as part of a layered moisture routine alongside conditioning treatments and styling products. Learn more tips and tricks for your hair type by reading our <a href="https://functionofbeauty.com/blogs/blog/how-to-use-leave-in-conditioner-for-straight-wavy-curl-and-coily-hair">blog article,</a> &quot;How to Use Leave-in Conditioner for Straight, Wavy, Curl, and Coily Hair.&quot;&#xA0;

How do I use Leave In Conditioner for my Hair Type?

Discover how your hair type influences oil distribution, moisture retention, and product absorption. Learn the science behind straight, wavy, curly, and coily hair.

Yes, your hair type determines how oil travels, how moisture behaves, and how products absorb. Straight, wavy, curly, and coily hair each follow a different biological pattern. That&#x2019;s where we begin.Straight: Oil travels easily from root to end, which can lead to faster buildup Wavy: Oil moves unevenly, creating mixed moisture zones Curly: Natural bends slow oil distribution, leaving ends drier Coily: Tight coils make it hardest for oil to travel, requiring richer replenishment

Can I Determine My Scalp Moisture From My Hair Type?

Identify your Type 1 straight hair pattern and learn how to build a routine that supports volume, shine, and balanced hydration. Discover the differences between Type 1A, 1B, and 1C hair, and how straight hair structure affects oil distribution.

Straight Hair: What is Type 1 Hair?

Identify your Type 2 wavy hair pattern and learn how to build a routine that enhances wave definition, controls frizz, and maintains lightweight hydration. Discover the differences between Type 2A, 2B, and 2C waves.

Wavy Hair: What is Type 1 Wavy Hair?

Identify your Type 3 curly hair pattern and learn how to build a routine that supports curl definition, moisture retention, and frizz control. Discover the differences between Type 3A, 3B, and 3C curls, how curl structure affects hydration.

Culry Hair: What Is Type 3 Hair?

Identify your Type 4 coily hair pattern and learn how to build a routine that supports moisture retention, strength, and curl definition. Discover the differences between Type 4A, 4B, and 4C coils, and how coily hair structure affects hydration.

Coily Hair: What is Type 4 Hair?

Function of Beauty

Learn how to identify your hair type and understand the differences between straight, wavy, curly, and coily hair. This comprehensive guide explains how hair structure influences texture, volume, moisture retention, frizz, and styling needs.