learn Peppermint
herb and oil thought to stimulate skin and hair
- Which is more effective: peppermint essential oil or extract in shampoo? Neither form has been tested for hair loss in people. Peppermint essential oil is the only one with any experimental support — a single four-week mouse study in which 3% peppermint oil outperformed 3% minoxidil on follicle counts — while peppermint extract in shampoo is a low-concentration cosmetic ingredient with no hair-growth data.
- Does peppermint help prevent hair loss or only help once it starts? The main evidence that peppermint oil grows hair is one 4-week mouse study. We found no human trial showing that it grows hair or prevents hair loss.
- Does peppermint help grow new hair or does it just give a cooling sensation? Menthol in peppermint gives a cooling feeling. Peppermint oil increased hair growth in one four-week mouse study, but it has not been tested for hair loss in people.
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