Curly or straight: What determines hair shape?

Whether you are sporting curly locks or poker-straight hair is determined by the shape of your hair follicle and the behavior of a host of cells.

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Curly or straight: What determines hair shape?

Science Sunday – Chemistry of Curly Hair – The Chic Chemist

Curly, wavy or straight – What suits you the best? - Bigbasket Lifestyle Blog

What Makes Hair Curly or Straight? – DHI MEXICO

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7 Ways to Determine Hair Type - wikiHow

Why does hair sometimes become curlier or straighter as people get older? - The Tech Interactive

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What's My Curly Hair Type and Why Does it matter? — VIRGO TEXTURE SALON