Proven Benefits of Pumpkin Seed Oil for Hair Growth
Hair loss and thinning affects many people around the world. Men and women turn to natural remedies to improve their hair growth. In this regard, the documented benefits of pumpkin seed oil for hair growth are making an impact globally.
Pumpkin seed oil is extracted from the seeds of Cucurbita pepo. It is rich in fatty acids, antioxidants and plant sterols that may help manage causes of hair fall.
In case you have problems with hair loss, dryness, or late growth, this oil can be useful. It is perfectly suitable in the daily regimen of hair care. It nourishes roots and helps to strengthen the scalp.
Now, let’s explore what pumpkin seed oil has to offer as far as hair is concerned.
What is Pumpkin Seed Oil?

Pumpkin seed oil is produced by cold-pressing unroasted or roasted pumpkin seeds, and it is used in cooking and healing, mainly in central Europe and in Asia. It contains:
- Zinc
- Magnesium
- Omega-3 and Omega-6 fatty acids
- Phytosterols (like β-sitosterol)
- Vitamin E
- Antioxidants
These nutrients promote hormonal balance, scalp and hair strength. Pumpkin seed oil benefits hair both internally and externally.
How Does Pumpkin Seed Oil Work for Hair Growth?

Pumpkin seed oil acts by a few molecular mechanisms:
- 5-Alpha-Reductase Inhibition: It inhibits the enzyme 5-alpha-reductase, which converts testosterone into dihydrotestosterone (DHT), a hormone that shrinks hair follicles.
- Beta-Sitosterol Activity: Beta-sitosterol phytosterols blocks androgen receptors, denying DHT absorption at the hair root level.
- Prostaglandin Modulation: It may affect prostaglandin pathways (such as PGD2) involved in hair growth and follicular regression.
- Anti-Inflammatory Modulation: Fatty acids (linoleic, oleic) regulate inflammatory agents like cytokines and prostanoids that impair hair cycling.
- Gene Expression Regulation: Antioxidants like vitamin E may regulate gene expression within the dermal papilla cells which will create an optimal environment to grow.
- Ion Channel Support: The zinc in the oil supports the ion channel, which stabilizes follicle health and cellular signaling.
All these work together in the preservation of the anagen (growth) phase of hair.
Science Behind Pumpkin Seed Oil: 2014 Human Study on Hair Growth
A 2014 study in Evidence-Based Complementary and Alternative Medicine, involved 76 men who had pattern baldness. They randomly received pumpkin seed oil or placebo for 24 weeks.
Main research findings are:
- The group taking pumpkin seed oil saw a 40% increase in hair count.
- The placebo group experienced only a 10% increase.
- No serious side effects were reported.
Phytosterols also lowered DHT in other studies. This supports the idea that pumpkin seed oil for hair growth works best when used for 3 to 6 months.
What Is Pumpkin Seed Oil Rich In?
Pumpkin seed oil contains a higher amount of nutrients that are known to directly benefit the scalp and the follicles. Here is a brief look at some of the oil’s key ingredients:
| Nutrient | Function for Hair |
| Zinc | Regulates oil production, supports follicle health |
| Omega-3 Fatty Acids | Anti-inflammatory, promotes scalp hydration |
| Phytosterols | Blocks DHT, encourages hair regrowth |
| Vitamin E | Powerful antioxidant, reduces oxidative stress |
| Magnesium | Improves blood flow to scalp, supports growth cycle |

What Are The Benefits Of Pumpkin Seed Oil?
Here are some of the main benefits of using pumpkin seed oil:

- Promotes Hair Growth: PSO has the beta-sitosterol, which inhibits the 5- alpha- reductase enzyme. This lowers the formation of DHT. It helps follicles remain full-sized and support hair growth.
- Moisturizes the Scalp: The oil has deep-hydrating essential fatty acids. A moist scalp reduces flaking and dandruff. It also creates the right setting for hair to grow.
- Strengthens Hair Strands: Cuticle protection can be retained with magnesium, zinc and vitamin E. This makes it less prone to breakage and adds strength.
- Reduces Inflammation: Delta-7-sterine are anti-inflammatory agents. This promotes scalp health in individuals with psoriasis or dermatitis.
- Improves Blood Circulation: Massaging the scalp with pumpkin seed oil leads to improved blood supply. This carries oxygen and nutrients to the roots.
- Antioxidants for Scalp Protection: The PSO antioxidants protect against UV rays and pollution stress. All these tend to destroy the hair roots and accelerate losses.
- Supports Hair Density and Volume: Frequent application can make hair thicker, lessen hair loss, and promote follicle growth.
- Balances Hormones: It contains phytoestrogens that help support hormone levels. This benefits women with PCOS or hormonal shedding.
- Promotes the Anagen (Growth) Phase: It lowers levels of DHT, enriches roots and promotes longer growth cycles.
- Safe for Long-Term Use: Pumpkin seed oil for hair does not cause irritation easily like other drugs. One may use it frequently or weekly.
How to Use Pumpkin Seed Oil for Hair Growth

Pumpkin seed oil can be used in two primary ways: topically and orally.
Topical Use:
- Take a couple of oil drops and rub it into the scalp for 5-10 min.
- Leave it overnight, or at least a half an hour.
- Add rosemary or peppermint oil.
Oral Use:
- Capsules of 500 to 1000 mg are widely available.
- Take 1000 to 2000 mg with your needs per day.
- Consume on a regular basis and not less than 3 months.
It can be combined with biotin, collagen, or zinc in order to support it more broadly.
How Long Does It Take for Pumpkin Seed Oil to Grow Hair?

Hair growth is a slow process and depends on the age, health, and even frequency of use. Here is a common timeline:
- Week 1–2: Less itching and less shedding.
- Week 4–6: Shinier, stronger hair.
- Month 3: New hairs appear around the edges.
- Month 6: More thickness and visible results.
Note: Use it daily for the best outcomes.
How Often Should I Use Pumpkin Seed Oil For Hair Growth?
Constant use of pumpkin seed oil as a hair growth topical application always works best. Here’s a general guide:
| Frequency | Benefit |
| 2–3 times/week | Best for growth and scalp care |
| Daily (low amount) | Useful for dryness or scalp itch |
| Weekly deep treatment | Suits perfectly on dry, damaged hair |
Topical vs. Oral Pumpkin Seed Oil for Hair Growth
There are also certain advantages of using both of these methods such as treating the scalp with pumpkin seed oil as well as using it as a supplement. So here is the comparison:
| Method | Key Benefits | Ideal For |
| Topical Application | Directly nourishes scalp, improves circulation, soothes skin | Dry scalp, dandruff, hair breakage |
| Oral Supplementation | Balances hormones, reduces DHT, delivers systemic nutrients | Hormonal hair loss, convenience |
Why Your Pumpkin Seed Oil Results May Vary
Pumpkin seed oil has the potential of promoting hair growth, yet its effectiveness depends on a number of factors which are personal and product related:
- Consistency of Use: It is also essential to apply the oil routinely (2-3 times a week) over a prolonged period of time (several months). Inconsistent usage limits performance and tests the hair cycle.
- Quality of the Oil: Select cold-pressed pumpkin seed oil that is organic and most potent. Less expensive oil, that has undergone the process of heating, can lose its nutrients which are vital to the scalp.
- Individual Health Factors:
- Age: Younger individuals may see faster results.
- Hormones: This can be affected by a hormonal imbalance (e.g. PCOS or menopause).
- Diet: A poor diet may counteract the benefits, internal nutrient support is necessary.
- Combining with Other Treatments: The results may be boosted when combined with microneedling, minoxidil, or DHT blockers, increasing the absorption and treating many causes of hair loss.
Does Pumpkin Seed Oil Have Negative Side Effects?
The oil of pumpkin seeds applied to hair also has rare side effects. A few side effects include:
- Scalp irritation (especially if allergic)
- Digestive discomfort when taken orally
- Mild acne breakouts due to oiliness
- Drug interaction with blood thinners or diuretics
Who Should And Should Not Take Pumpkin Seed Oil For Hair?
Pumpkin seed oil is generally safe for most people. It might, however, not be suitable for all:
Suitable For
- Men and women with pattern hair loss
- Those with dry, irritated scalps
- Individuals looking for DHT-blocking alternatives
Should Avoid
- Females who are pregnant and lactating
- People with allergies to nuts
- Individuals on blood pressure medications
- Any person who has hormone sensitive diseases
Pumpkin Seed Oil vs Saw Palmetto vs Minoxidil
So how does pumpkin seed oil compare to Saw Palmetto and Minoxidil? Here’s a brief comparison:
| Feature | Pumpkin Seed Oil | Saw Palmetto | Minoxidil |
| Source | Natural oil from pumpkin seeds | Extracted from palm plant | Synthetic topical drug |
| DHT Blocking | Yes | Yes | No (stimulates follicles instead) |
| Application | Topical & oral | Oral (capsule or powder) | Topical only |
| Side Effects | Minimal | Mild digestive issues | Scalp irritation, heart palpitations |
| Gender Usage | Both men and women | Mostly men | Both, with separate formulas |
Eating Pumpkin Seeds for Hair
Adding pumpkin seeds into your diet supports internal hair health. These seeds are packed with:
- Zinc and magnesium
- Protein and healthy fats
- B vitamins
How to Eat Pumpkin Seeds for Hair Growth:
- 1–2 tablespoons daily, raw or roasted
- Sprinkle on salads or yogurt
- Blend into smoothies
- Use seed butter on toast
How To Make Pumpkin Seed Oil For Hair Growth At Home?

You could also make your own nourishing oil mix at home in case you want to go with a DIY solution.
Simple Recipe:
- 2 tbsp cold-pressed pumpkin seed oil
- 1 tsp castor oil (for thickness)
- 3 drops rosemary or peppermint oil (stimulates scalp)
Instructions To Follow:
- Mix oils in a dropper bottle.
- Warm slightly before use.
- Rub into the head and leave for 2-4 hrs.
Note: Use 2–3 times weekly for best results. This homemade recipe improves the follicle health and hydrates without harsh chemicals.
Which Hair Types Benefit Most from Pumpkin Seed Oil?

Although pumpkin seed oil is multipurpose, it particularly helps with:
- Thinning hair due to DHT sensitivity
- Dry, itchy scalp and flaking
- Type 2A–3B hair prone to volume loss
- Hair damaged from heat or color
Curly and coily hair types may find the oil helps with frizz and scalp tightness.
A Weekly Guide to Using Pumpkin Seed Oil for Hair
This is a sample weekly plan that will make efficient use of pumpkin seed oil:
| Day | Activity |
| Mon | Scalp massage with pumpkin seed oil |
| Tue | Take 1000 mg pumpkin seed oil supplement |
| Wed | Light rinse or co-wash |
| Thu | Combine oil with rosemary or castor oil |
| Fri | Supplement and scalp check |
| Sat | Deep conditioning with added oil |
| Sun | Rest or light oiling if dry |
Pumpkin Seed Oil: Precautions You Must Take
To safely use pumpkin seed oil for hair, follow these precautions:
- Patch test before first use
- Use small amounts to avoid buildup
- Don’t apply on open wounds or inflamed areas
- Store oil in a cool, dark place
- Do not combine lots of oils-keep it to 2-3 ingredients
In case of abnormal symptoms such as rashes or dizziness, stop its use. Consult a medical expert.
Conclusion
There are no harsh chemicals in pumpkin seed oil and their effects on hair strength and scalp health are widely known. It diminishes breakage and maintains root health. Regular use can result in stronger and fuller hair.
How many pumpkin seeds per day to block DHT?
It can be of benefit with 1 to 2 table spoonfuls (10-15 grams) per day.
Can you put pumpkin seed oil on your face?
In fact, it is pore-clog free, skin-hydrating, and non-comedogenic.
What is the world’s no. 1 hair oil?
There is no clear winner, however, coconut, argan, and pumpkin seed oil are recommended.
Does pumpkin seed oil increase estrogen?
It may support hormone balance but doesn’t directly raise estrogen.
Does pumpkin seed oil fade dark spots?
It helps improve skin tone, but not a strong treatment for pigmentation.
Can pumpkin seed oil grow facial hair?
Other men claim to grow thicker beards because of its effects on hormone balance.
What medications should not be taken with pumpkin seed oil?
Not with diuretics or anticoagulants unless under a doctor’s advice.
Is pumpkin oil anti-aging?
Yes, it is full of antioxidants such as vitamin E that delays the process of skin aging.
