A cure for baldness could be on the horizon.

Researchers from Taiwan University say they have discovered a serum that could potentially regrow hair in just 20 days.

The study, published in the journal Cell Metabolism, showed that fat cells under the skin can restart hair growth.

The researchers used mouse skin samples to monitor changes to the fat tissue under the skin , as well as to the hair follicles and the cells that help hair grow, after they caused small injuries to trigger certain reactions, according to a press release.

After skin injury, fat cells began breaking down stored fat in a process called lipolysis. Fatty acids were then released into the skin, which acted as a signal for hair stem cells to grow.

When the scientists stopped the fat cells from breaking down f

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