TikTok and Instagram have certainly hyped up its greatness (particularly since there’s little evidence to support the efficacy of hair growth vitamins), but what’s actually the truth and what’s fiction?

Like peppermint essential oil (also used to promote hair growth), rosemary essential oil strengthens circulation. Happy Head offers a variety of prescription and over-the-counter products to treat hair loss and hair thinning. By actively fighting against those free radicals, rosemary oil may also be able to slow down the graying process.

And don't be put off if you suffer from oily hair - this miracle oil even contains natural properties that can help reduce greasiness and balance oil production on the scalp. Those antimicrobial and anti-inflammatory properties “help to keep dandruff and scalp acne at bay,” King says. Reduces frizz: If you struggle with dry hair, a diluted rosemary oil can ease frizz and prevent breakage. Stewart recommends the Hair Gain Scalp Foam, which is a water-based foam that absorbs into the scalp and leaves no residue.

In her role at mbg, she reports on everything from the top beauty industry trends, to the gut-skin connection and the microbiome, to the latest expert makeup hacks. Mix a few drops of 100%pure rosemary oil to a carrier oil, such as coconut or grapeseed oil, and massage it into your hair and scalp before rinsing.Although it does make your hair grow,Gaboardi recommends making sure that you're tackling the hair loss issue from the inside out, and using other products that support your hair health alongside rosemary oil. Weleda doesn’t just deal in food for the skin – its tonic is full of nutrients that nourish both the hair and scalp. The easiest way to do this is to simply add a few drops of the oil to your current shampoo or conditioner. Two of the many purported benefits that rosemary oil can provide are stimulating hair growth and mitigating hair loss.