50 The incredible truth about hair

The ancients used to say 'The tooth of the hair is the corner of a person'. Indeed, hair from the past to the present is always very important to people, especially women. They can spend a lot of time and money to beautify their hair. According to a survey, on average women spend 7 months throughout their lives to beautify their hair, and spend $ 780 annually on hair care products.

Today's magazines are also very quick to bring you the latest hair beauty trends. Hairstyles, hair colors . can also partly show your personality. In addition, hair is one of the important forensic evidence that helps with investigation.

Do you know that hair is usually colored? How did the ancient people color their hair? Through hair shape and hair color, what can you know about others? All of that interesting information, as well as the biological structure of hair, records related to hair, hair beauty habits . will be introduced in the infographic below.

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