Horizon (1964)
S54E02 Hair Care Secrets
Episode Overview
The Horizon team has assembled a group of scientists and medical professionals to delve into the remarkable natural substance that grows from our heads—hair. With access to cutting-edge research facilities from top hair care brands like L'Oreal and ghd, they investigate innovative studies and technologies aimed at advancing hair and its care. Each person boasts a distinctive head of hair, averaging around 150,000 strands that grow about one centimeter per month, accumulating to over 800 miles in a lifetime. The effort invested in styling and maintaining our hair has led to a booming global hair care industry valued at an astonishing £60 billion. Consequently, the intersection of science and business is crucial in product development. The team examines how industry research stacks up against traditional academic standards. Their exploration also sheds light on our deep-seated attachment to hair and whether it's truly worth investing in pricey shampoos. They uncover the essential ingredients in conditioners and expose the secrets behind the lustrous locks featured in advertisements.