Rosemary Oil Matched Minoxidil Efficacy in 2015 Study
A small clinical study found that rosemary oil performed similarly to 2% minoxidil for hair growth after six months.
Updated on Sept. 27, 2026 in Beauty
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A 2015 study published in the journal SKINmed evaluated the effectiveness of rosemary oil versus 2% minoxidil in 100 participants with androgenetic alopecia. Results showed that both treatments produced similar increases in hair count over a six-month period.
Why it matters
Understanding the comparative efficacy of plant-based interventions and standard treatments helps individuals make informed decisions about hair loss management. This study highlights that alternatives to traditional medications may yield comparable results, though users should weigh side effects carefully.
This 2015 randomized trial of 100 participants with androgenetic alopecia found that rosemary oil demonstrated efficacy comparable to 2% minoxidil after six months of use. While both treatments increased hair counts, the minoxidil group reported higher rates of scalp itching.
The players
SKINmed
A peer-reviewed medical journal that publishes clinical research on dermatological conditions and treatments.
The details
In the trial, participants applied either rosemary oil or 2% minoxidil directly to the scalp to address hair thinning. Researchers tracked progress through close-up photography of the scalp at baseline, three months, and six months to measure hair growth patterns. While both treatments successfully increased hair density, the higher incidence of localized scalp irritation in the minoxidil group suggests potential differences in tolerability between the two applications.
Timeline
The clinical study was published in the journal SKINmed in 2015.
Researchers conducted the first check-up for hair count changes after 3 months.
The final assessment of hair growth was completed after 6 months.
Health Landscape
This research provides a historical reference point for evaluating natural topical agents against the clinical gold standard of minoxidil. It sits in contrast to the 5% concentration typically recommended by dermatologists today, which remains the primary focus for current hair loss treatment protocols.
If you are managing androgenetic alopecia, this study highlights that natural alternatives may offer comparable results to lower-strength minoxidil, though it is worth discussing the trade-offs in scalp irritation with your doctor. Always consult a dermatologist before starting any new hair growth regimen to ensure it is appropriate for your specific scalp and health history.
The takeaway
The 2015 study suggests that rosemary oil may provide a viable alternative to 2% minoxidil for those experiencing androgenetic alopecia. Readers interested in exploring these options should track their own progress over at least six months and consult with a physician to determine the best treatment path.
Further reading
Learn more about the current approaches to hair health in our Beauty section.
Source note: This article includes information reported by Mirror.
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