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Rosemary Essential Oil
The evidence

Rosemary Essential Oil

Early evidence   The hair oil with real evidence behind it — bright, herbaceous, clean.

ModerateControlled human trialsRepeated studies in people.
EarlySmall / lab / animalPromising, not yet proven in people.
TraditionalLong-usedClinical evidence still anecdotal.
NoneNo trials foundWe looked and found none.

What the studies say

Hair & thinning

Early

One pharmaceutical-grade trial compared rosemary to 2% minoxidil for regrowth — promising, but the evidence base is still small.

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Dandruff

Early

Rosemary showed superior antifungal action against dandruff-linked microbes in lab studies.

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Joints

Early

Rosemary's carnosic acid showed anti-inflammatory activity in animal studies.

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Scalp irritation

Early

A lab study found rosemary leaf extract can calm inflammation.

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Mood & stress

Early

Early work on gamma-terpinene hints at a calming effect.

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Headache

Traditional

Long used traditionally; clinical evidence still anecdotal.

Read the study on PubMed →

Study counts reflect our internal research database. Figures are honest tallies, not marketing claims; every linked study opens on PubMed.