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A Little Hairy Chemistry

4 Mar 2025

Hair is composed of a type of protein called keratin that is formed within the hair follicle, a cavity in the skin surrounded by cells that provide the amino acids and other components needed for...

Acne and Diet: An Ambiguous Association

22 Nov 2024

You have probably heard that drinking milk and eating chocolate causes acne or, at the very least, that they make it worse. Diet is often blamed for a teenager’s pimply skin, but is there good...

From “Iron Fallout” to Hair Permanents

19 Jun 2024

For most people a car is just a vehicle that gets them from one place to another, and as far as cleanliness is concerned, occasionally driving through a car wash is good enough. But some...

Wrap Your Hair Around Biotechnology

6 Jul 2023

What comes to mind when you think of biotechnology? Maybe it’s Dolly the cloned sheep, or GMOs, or stem cell therapy, or DNA profiling, or mRNA vaccines. Rightly so. These are indeed examples of...

Pangolins Use Rocks in Lieu of Teeth

31 May 2018

Pangolins, or scaly anteaters, are amazing little mammals. There are eight species of them, and they are the only living creatures in their order of Pholidota. Spread throughout Asia and Africa,...

What is a “Brazilian” hair straightening treatment?

20 Mar 2017

In “Brazilian straightening” a protein known as keratin is mixed with formaldehyde and is applied to hair followed by heat treatment. Results can be surprisingly good with the straightening effect...

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