Rosemary Oil and hair loss

What 2 graded rows on rosemary oil agree on for hair loss, and where they differ. Counted side by side, never averaged.

Consensus finder Rows from the Rosemary Oil page, reviewed Oct 21, 2026 How it decides

What the rows agree on

Each block and row is one graded row from the Rosemary Oil page, with its PubMed record.

Supplement

Rosemary Oil Choose another

2 rows · 186 people

They agree: both rows found an improvement.

No difference

Improved

Each block is one evidence row, sized by how many people it enrolled, with its grade inside.

From the rows

The best-graded row, grade C, is a randomized trial of 100 people (2015) and found an improvement.

The rows run from 86 to 100 people, published from 1998 to 2015: 2 single studies.

2 improved

Grade CHair count in pattern hair loss (androgenetic alopecia) · Improved
RCT · n 100 · 2015 · People with androgenetic alopecia, randomised 50 to rosemary oil and 50 to 2% minoxidil
Concentration and frequency not stated in the abstract · 6 months
No change in hair count in either group at 3 months; at 6 months hair count had risen significantly from baseline in both groups, with no difference between rosemary oil and minoxidil. Scalp itching rose in both groups but was more frequent with minoxidil.
Row on the Rosemary Oil page · PubMed 25842469 (opens PubMed)
Grade DPatchy hair loss (alopecia areata) · Improved
RCT · n 86 · 1998 · 86 dermatology outpatients with alopecia areata (43 active, 41 control analysed)
Massaged into the scalp daily (control: carrier oils only) · 7 months
19 of 43 (44%) improved with the essential-oil blend vs 6 of 41 (15%) with carrier oil alone (p = .008), judged on photographs by two dermatologists.
Row on the Rosemary Oil page · PubMed 9828867 (opens PubMed)