Head hair comes in many colors, shapes and sizes, and hairstyles are often an expression of personal style or cultural identity. Many different genes determine our hair texture, thickness and color.

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Irish curls feature a mix of straight and curly hair textures, often with hidden curls. Hair pros recommend sulfate-free shampoos and appropriate styling methods to maintain Irish curls. Layered ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. The proper hair care for curly or kinky locks can be incredibly ...

Much of what you look like comes from a combination of your parents’ DNA. Your hair’s texture and color are no exception. Genetic information that’s embedded in your body creates a formula for what ...

This podcast was produced for L’Oréal Groupe by Scientific American Custom Media, a division separate from the magazine’s board of editors. Whether your hair is curly, straight or something in between ...

Theresa Larkin does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...