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Hair types

Women hair shaft is the part of hair that can be seen above the scalp – it is made of keratin (remarkably strong protein). Actually keratin is a protein with strong disulphide bonds holding the protein strands together. However, our hair fibres have a structure that consists of several different layers. Women with straight hair have round hair fibres and women with oval and other shaped fibres tend to have more wavy or curly hair. Women hair shaft also consists of hydrogen bonds which help to give your hair the flexibility. All mentioned factors are responsible for different hair types.

Hair type’s identification is based on hair typing systems like Andre Walker system and LOIS hair typing system. It is very important to know hair types not only for knowing how susceptible to damage your hair is but also for adequate hair care and proper selection of hair care products.

Andre Walker hair typing system is the most widely used system to classify hair types. This system shows four categories of hair types and several subcategories that go into more details.

Hair types

Hair type 1 – Straight hair

This hair type is straight hair which reflects the most sheen and also resilient of all the hair types. This type of hair is not easy to damage and pretty difficult to curl because the sebum in straight hair texture easily spreads from head scalp to ends without curls or kinks. It was noted that straight hair is the oiliest hair type.

Hair type 2 – Wavy hair

Wavy hair has a texture and sheen between straight and curly hair and it is easily become fizzy. Fine wavy hair can be very comfortable – they can be tamed and easily styled. At the same time, the medium and coarse hair can be hard to style.

Hair type 3 – Curly hair

Curly hair has “S” shape or sometimes “Z” shape. Curly hair is usually voluminous, depending on weather (climate) and damage prone. If you are not planning to change your curly hair, actually it is not difficult to take care. If your curly hair lacks proper care you can cause less defined curls.

Hair type 4 – Kinky hair

Kinky hair is the outrageously curly hair type – it is often very fragile with a high density and it is hard to tame and hairstyle selection could be not easy. Kinky hair shrinks when wet because it has fewer cuticle layers than other hair types. This is why this type of hair is more susceptible to damage.

Andre Walker hair typing system

Hair types subcategories go more in depth to the type of hair – what it looks like, how susceptible to damage it is and how easily it is to tame and style.

For straight hair:
Type 1A – described as fine, very thin and soft with a noticeable shine;
Type 1B – appears as medium-textured;
Type 1C – shows the most resistant to curly styling and relatively coarse compared to above mentioned types.

For wavy hair:
Type 2A – stands for fine and thin hair, this type can be very comfortable and easy for hairstyle selection – it can easily be straightened or curled;
Type 2B – characterized by hair waves that tend to adhere to the shape of your head;
Type 2C – this type of hair can frizz easily and it is fairly coarse.

For curly hair:
Type 3A – pretty shinny and loose hair;
Type 3B – this sub-category has medium amount curls, ranging from bouncy ringlets (spiral like curls of hair) to tight corkscrews (spiral-shaped corkscrew curls);

For kinky hair:
Type 4A – this hair type is full of tight coils;
Type 4B – hair has less defined pattern of curls and looks like “Z” with very sharp angles.


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