Research · Randomized controlled trial
Oral and topical administration of a standardized saw palmetto oil reduces hair fall and improves hair growth in androgenetic alopecia: a 16-week randomized, placebo-controlled study
What it found
Reduced hair fall (~22–29%) and modestly increased hair density (~5–8%) versus placebo; oral dosing also lowered serum DHT. Small, short trial.
- Design
- Randomized controlled trial
- Year
- 2023
- Sample size
- 80
- Population
- adults with mild-to-moderate androgenetic alopecia
- Intervention
- oral and/or topical standardized saw palmetto oil vs placebo for 16 weeks
- Outcome
- hair fall, hair density, serum DHT
- Journal
- Clinical, Cosmetic and Investigational Dermatology
Citation last checked 2026-06-21.