Why Are Some of My Hair Strands Crinkly? Hair Texture Facts

Medically reviewed by Dr. Bilal Khan M.B.B.S.
Written by Our Editorial Team
Last updated

Have you ever run your fingers through your hair and noticed that some strands feel different - perhaps a bit crinkly? This is a common occurrence and can be caused by a variety of factors. To fully understand "Why are some of my hair strands crinkly?", let's delve into the structure and science of hair.

Why Are Some of My Hair Strands Crinkly?

Crinkly hair strands can occur due to the composition and condition of the three parts of a hair strand: the medulla, the cortex, and the cuticle. The medulla is the innermost layer, primarily composed of air. If the overall health and condition of these three parts are affected, this could lead to crinkly strands. Moreover, genetics, natural hair texture, and environmental factors like humidity also play a role.

The Science Behind Crinkly Hair Strands

The structure of your hair strands significantly contributes to their texture. Hair that grows at an angle out of the follicle, for example, can result in a wiry or crinkly texture. Furthermore, dry or damaged hair is more prone to being crinkly. It's also important to note that people with naturally curly or wavy hair may be more likely to experience crinkly hair strands, particularly if they don't properly care for their hair.

Caring for Your Hair to Prevent Crinkly Strands

Understanding why your hair becomes crinkly is the first step towards solving this issue. Optimal hair care practices such as regular conditioning, limiting heat exposure, and using products suited to your hair type can help maintain the health of your hair strands and prevent them from becoming crinkly. Regular trimming can also help in reducing crinkly ends.


In conclusion, the occurrence of crinkly hair strands can be due to a variety of factors including the structure of your hair, your genetics, and the way you care for your hair. By understanding these factors and implementing good hair care practices, you can effectively manage and prevent crinkly hair strands. Remember, every strand of hair is unique, just like you.

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Dr. Bilal Khan M.B.B.S. graduated from the Jinnah Sindh University in Karachi. He'll take the official medical licensing program in the US (USMLE) in September 2023. Bilal has a passion for research and has extensively fact-check and medically review articles under his name to make sure you have the most accurate information.