
Can Pumpkin Seed Oil Improve Hair Growth?
Pumpkin seed oil is a safe, natural adjunct that may modestly support hair growth in early androgenetic alopecia when used alongside evidence-based treatments.
For patients exploring non-pharmaceutical options to support hair growth, pumpkin seed oil (PSO) has become popular. While it is not a replacement for evidence-based therapies such as finasteride, dutasteride, or minoxidil, emerging research suggests that pumpkin seed oil may offer modest benefits for certain individuals experiencing androgenetic alopecia (AGA).
How Pumpkin Seed Oil Works: The Proposed Mechanisms
Pumpkin seed oil is rich in several bioactive compounds that may support scalp and follicular health:
1. Mild Anti-androgenic Activity
Some laboratory and animal studies suggest that pumpkin seed oil may inhibit 5-α reductase, the same enzyme targeted by finasteride. While the effect appears far weaker than prescription medications, even partial inhibition could theoretically lessen miniaturization of hair follicles in androgen-sensitive individuals.
2. Anti-inflammatory and Antioxidant Effects
Pumpkin seed oil contains tocopherols, carotenoids, and polyunsaturated fatty acids, which help reduce inflammation and oxidative stress which are two factors as contributors to hair thinning.
3. Nutritional Support for Hair Follicles
PSO provides essential fatty acids, vitamins (including vitamin E), and minerals that support the structural integrity of the scalp barrier and cellular health within the hair bulb.

What the Research Says
One of the most frequently cited clinical studies was published in 2014, in which men with mild to moderate androgenetic alopecia were randomized to pumpkin seed oil vs placebo for 24 weeks.
- The PSO group experienced significantly higher hair count increases compared to placebo.
- Participants also reported subjective improvements in hair fullness and thickness.
This study has limitations such as including small sample size but it remains the strongest clinical evidence supporting PSO supplementation for hair growth.
What Patients Can Expect
Pumpkin seed oil can play a helpful supportive role in a broader hair-restoration plan, but expectations should remain grounded:
- Possible modest improvement in density or shedding reduction
- Suitable for patients who prefer natural adjuncts
- Can complement minoxidil or procedural treatments
- Not a replacement for finasteride or low-dose dutasteride
- Unlikely to reverse significant miniaturization on its own
Who May Benefit Most?
Pumpkin seed oil is most suitable for:
- early-stage androgenetic alopecia
- patients seeking natural adjuncts
- individuals who cannot take finasteride
- women with diffuse shedding who want a gentle option
To Conclude
Pumpkin seed oil is not a miracle cure, but it does show measurable potential as a natural supplement to support hair growth, particularly for patients with early thinning or those looking to enhance the results of medical or surgical hair restoration. Its strong safety profile makes it a reasonable option for individuals seeking non-pharmaceutical adjuncts, as long as expectations remain realistic.
References
- Cho YH, Lee SY, Jeong DW, et al. Effect of pumpkin seed oil on hair growth in men with androgenetic alopecia: a randomized, double-blind, placebo-controlled trial. Evid Based Complement Alternat Med. 2014;2014:549721. doi:10.1155/2014/549721
- Hajhashemi V, Rajabi P, Mardani M. Beneficial effects of pumpkin seed oil as a topical hair growth promoting agent in a mice model. Avicenna J Phytomed. 2019;9(6):499-504. doi:10.22038/AJP.2019.13463
References
- Cho YH, Lee SY, Jeong DW, et al. Effect of pumpkin seed oil on hair growth in men with androgenetic alopecia: a randomized, double-blind, placebo-controlled trial. Evid Based Complement Alternat Med. 2014;2014:549721. doi:10.1155/2014/549721
- Hajhashemi V, Rajabi P, Mardani M. Beneficial effects of pumpkin seed oil as a topical hair growth promoting agent in a mice model. Avicenna J Phytomed. 2019;9(6):499-504. doi:10.22038/AJP.2019.13463


