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Girls With Curls: The Origins of Curl Patterns and Textures - PowerPoint PPT Presentation

  • Uploaded on | A head full of beautiful curls has long been a subject of talk and envy. Learn the origins of curly hair and find out what type and texture hair you have.

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Girls with Curls

The Origins of Curl Patterns and Textures around the World

What do we know

about curls?

More often than not we’re born with hair similar to that of a family member’s. However, the texture of our hair may change over time for specific reasons.

Learn what causes those curls, and determine what classification of hair you have.

Baby, those soft curls are nature-made.

Scientists have identified specific genes that determine if your hair will be curly, straight, or somewhere in-between. This sort of variance is referred to as a “continuous trait.”

Born Wild

The Role of Genetics

Travel Back to Your Roots

The Origins of Curls

Variance within a multitude of genes is apparent when looking at hair textures around the world.

For example, while curly hair is prominent among people of black African descent, it is rarely seen among Asian populations.

These gene variations also explain the diverse textures of hair across Europe.

Stages of Life

The Role of Hormones

Women go through several bodily changes throughout a life time due to hormones – and the texture of your hair is one change most women readily noticed.

Puberty, pregnancy, and menopause are “the big three” in terms of making a curly-haired girl go straight, and vice versa.

Hair Classification


There are many systems used to classify hair types and textures.

3 Popular Methods include:

+ Andre Walker Hair Typing System

+ L.O.I.S. Hair Typing System

+ F.I.A. Hair Typing System

Got you curious?

Discover your hair type.

This is the

F.I.A. Hair Typing System.

The Straight Ones

1a. Stick straight

1b. Straight but with a slight body wave

1c. Straight with body wave and one or

two visible S-waves

The Wavy Ones

2a. Loose, stretched out S-waves

throughout the hair

2b. Shorter, more distinct S-waves

3c. Distinct S-waves and the odd spiral curl

forming here or there

Not straight or wavy?

You’re probably one of these.

The Curly Ones

3a. Big, loose spiral curls

3b. Bouncy ringlets

3c. Tight corkscrews

The Really Curly Ones

4a. Tightly coiled S-curls

4b. Tightly coiled hair bending

in sharp angels (Z-pattern)

Love Your Hair Texture

Whether You Were Born with It or Not

While you may be grateful for a lot of things your parents gave you, your hair might not be one of them! Also, environmental and medical factors may have changed your hair over time, too.

For those not loving their hair texture, consider these innovative options:

+ Fine Human Hair Wigs

+ Hair Extensions

+ Custom Hair Additions

+ Invisible Hair Grafting

Contact Us

Invisible Hair Studio is San Diego’s leading specialist in innovative hair loss solutions for women.

Services include a multitude of high quality hair options, such as extensions, 100% human hair wigs, and custom hair additions, as well as their exclusive Invisible Hair Grafting treatment.

Please visit for more information.

Images Attributions

Slide 1: Image courtesy of Nate Steiner through Flickr Creative Commons

Slide 9: Before and After images courtesy of Invisible Hair Studio


Slide 3, 4: Hair genetic factors

Slide 5: Hair hormonal factors

Slides 6, 7, 8: Hair classifications, including F.I.A. Hair Typing System


A head full of beautiful curls has long been a subject of talk and envy. Learn the origins of curly hair and find out what type and texture hair you have.