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Fields of Randomness | Aesthetics

How often should you wash your hair?! The Truth, according to science

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It’s so common, in fact, that it’s the third suggestion that pops up when typing “how often” into Google (following queries about showering and pooping).

Outside the shower, our scalps gradually get shinier, darker, and more oily.

So why does it happen, and how often should you wash to keep the grease at bay?

1. Skin type

If your skin and hair are anywhere from normal (not super oily and not super dry) to dry, you probably only need to wash it once or twice a week, according to a Columbia University health column. If you have a greasy scalp, you probably need to wash your hair more often.

2. Hair texture

Texture matters because it affects how quickly sebum works its way from your roots through the length of your hair. Coarse or curly hair slows down sebum’s spread, so if you have hair like this you may only need to shampoo once a week, say the experts at Columbia. On the other hand, people with fine, straight hair will likely need to shampoo twice a week or more.

3. Styling

Another thing to consider is the paces you put your hair through styling and treating it. If your hair is processed or damaged by styling, you should wash it less frequently.

But that’s something you’ll have to find out for yourself. I’ve figured out what works for my hair purely by experimentation.

Read more in Business Insider

 

 

 

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