Which Hair Growth Products Really Work?

WrittenbyLuat Duong
Last updated

In the ever-growing hair care industry, countless products claim to promote hair growth, leaving many consumers overwhelmed and uncertain about which ones truly deliver on their promises. With so many options available, it can be challenging to separate fact from fiction and determine which hair growth products are worth investing in.

Which hair growth products really work?

Hair growth products containing scientifically proven ingredients like minoxidil, biotin, and specific botanical extracts like pumpkin seed oil and rosemary have been shown to promote hair growth and thickness. However, it's important to manage expectations, as results may vary and consistency is key when using these products.


Minoxidil is arguably the most well-researched and effective hair growth product on the market. Originally developed as a medication for high blood pressure, minoxidil was found to have the unexpected side effect of promoting hair growth.

Minoxidil is available in topical formulations ranging from 2% to 5% strength and works by increasing blood flow to the scalp, revitalizing shrunken hair follicles, and prolonging the growth phase of the hair cycle.

While minoxidil has been extensively studied and approved by the FDA for treating hair loss, it requires consistent, long-term use to maintain results. It's also important to note that minoxidil can cause side effects such as skin irritation and unwanted hair growth in areas where it is applied.


Biotin, also known as vitamin B7, is a water-soluble vitamin that plays a crucial role in the health of hair, skin, and nails. While the body requires only a small amount of biotin, deficiencies have been linked to hair loss and thinning.

Hair growth supplements containing biotin are widely available and can help nourish the hair follicles, strengthen existing strands, and potentially promote faster growth. However, it's important to note that biotin deficiency is relatively rare, and excessive supplementation may not provide additional benefits for those with adequate levels.

Botanical Extracts

Pumpkin Seed Oil

Pumpkin seed oil is rich in nutrients like zinc, iron, and essential fatty acids, which are known to support hair growth. Studies have shown that pumpkin seed oil may help block the production of DHT (dihydrotestosterone), a hormone that contributes to hair loss.

Rosemary Oil

Rosemary oil has been used for centuries in traditional medicine for its hair-nourishing properties. It is believed to improve blood circulation to the scalp, which can stimulate hair growth and prevent premature hair loss.

Saw Palmetto

Saw palmetto is an extract derived from the berries of the saw palmetto plant. Like pumpkin seed oil, it has been studied for its potential to inhibit DHT production, making it a popular ingredient in hair growth products for both men and women.

Managing Expectations

While hair growth products containing these ingredients have shown promising results, it's important to manage your expectations. Hair growth is a gradual process, and individual results may vary based on factors such as genetics, age, underlying medical conditions, and the severity of hair loss.

Additionally, consistency is key when using any hair growth product. These products work best when used as directed and over an extended period of time, often requiring several months to see noticeable improvements.

Professional Guidance

If you're experiencing significant hair loss or thinning, it's always best to consult with a dermatologist or trichologist to identify and address any underlying causes before relying solely on over-the-counter hair growth products.

These professionals can also provide guidance on the most effective treatment options, which may include prescription medications, topical solutions, or in-office procedures like platelet-rich plasma (PRP) therapy or low-level laser therapy, depending on your specific needs.

By combining the right hair growth products with professional guidance and a healthy lifestyle, you can increase your chances of achieving fuller, thicker, and healthier hair over time.

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Luat Duong

Luat Duong is a Copenhagen-based writer and content strategist specializing in hair loss and health. His work has been featured in MyHealthGuide, The Right Hairstyles, and Woman's Era. He is a graduate of Vaasa University. You can connect with him on LinkedIn.