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Environment

Quiz: How much do you know about summer hair color changes?

Test your knowledge of how different chemicals involved in summer activities can alter hair color.

by Andy Brunning, special to C&EN
July 31, 2024

 

 

Before you take our quiz on summer hair color changes, make sure you check out our Periodic Graphic for some helpful hints.

How many distinct layers does human hair have?
Which of the following is made of dead cells and protects inner layers of hair?
Which family of biomolecules gives hair its color?
Darker hair contains more of which type of melanin?
Which metal found in swimming pool algicides can form compounds that turn light hair green?
Which molecule in lemons can react with melanin and lighten hair?
Which sunscreen ingredient can discolor clothes, hair extensions, and dyed hair when it comes in contact with iron in water?

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