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Caffeine could be a new and effective hair loss treatment according to a new study published in the International Journal of Dermatology.

The study found that caffeine works by blocking the effects of a DHT, the hormone that causes Male Pattern Baldness and damages the hair follicles. The scientists discovered that caffeine stimulates the growth of human hair when tested on hair follicles in the lab. Dr Fischer, who conducted the trial, took scalp biopsies from 14 men in the early stages of hair loss. He extracted the hair follicles and then placed them in test tubes with solutions containing different levels of caffeine. The samples were left in the laboratory for up to eight days to monitor growth.

At the end of the experiment, caffeine had boosted the length of the hairs by between 33 per cent and 40 per cent. In contrast, other test tubes containing hair follicles mixed with testosterone showed that they grew much more slowly. Hair follicles that were treated with caffeine showed a highly significant growth rate at 24 hours, and still showed further significant growth at eight days, said Dr Fischer. This finding could lead to new treatments for male pattern hair loss (MPB) but unfortunately it will require buying and using a new topical product containing caffeine rather than simply drinking endless cups of steaming cappuccinos every day.