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Products to Encourage Hair Growth – Safe and Proven Options

by Dr. Kopelman 29 Sep 2025
Products to Encourage Hair Growth – Safe and Proven Options

Best Products to Encourage Hair Growth: Dermatologist-Backed Solutions

Hair loss can be frustrating, but the right solutions can make a measurable difference. At RootMD, founded with the expertise of Dr. Ross Kopelman, we focus on products to encourage hair growth that are backed by science and created for real-world results.

With the guidance of board-certified dermatologists, our goal is to help patients find safe, effective ways to support healthy hair growth at home.

Key Takeaways

  • Products to encourage hair growth work best when they target both scalp health and follicle stimulation, combining shampoos, serums, and oils.

  • Natural oils like rosemary, pumpkin seed, and peppermint can support circulation and reduce DHT, making them useful additions to hair care routines.

  • The best products for hair growth and thickness deliver results gradually, with visible changes typically appearing after three to six months of consistent use.

  • Safety matters – patch testing and adjusting frequency to a few times a week helps minimize irritation, especially for sensitive or color-treated hair.

  • Lifestyle factors such as balanced nutrition, stress management, and adequate sleep enhance the effectiveness of topical treatments and support long-term healthy hair growth.

Top 8 Products to Encourage Hair Growth

  1. RootMD DHT-Blocking Shampoo – targets DHT with saw palmetto and caffeine to reduce thinning and improve scalp health.

  2. RootMD Hair Growth Oil – blends rosemary, pumpkin seed, and vitamin E to stimulate circulation and strengthen follicles.

  3. Nizoral Anti-Dandruff Shampoo (Ketoconazole 1%) – fights dandruff and reduces scalp inflammation, helping create conditions for regrowth.

  4. Pura D’or Original Gold Label Biotin Shampoo – a sulfate-free formula enriched with biotin and argan oil to improve thickness.

  5. Alpecin C1 Caffeine Shampoo – energizes follicles with caffeine to slow hair shedding.

  6. Rey Naturals Cold-Pressed Castor Oil – rich in fatty acids to nourish roots and promote stronger strands.

  7. Revita Hair Stimulating Shampoo – combines ketoconazole, biotin, and caffeine for a multi-action approach to regrowth.

  8. Sky Organics Organic Rosemary Oil – a natural option that supports circulation and scalp balance, often compared to minoxidil in studies.

How to Encourage Hair Growth

What products stimulate hair growth?

Hair growth depends on stimulating the hair follicle and improving scalp health. Certain ingredients, like minoxidil, rosemary oil, and caffeine, have been shown in clinical studies to promote regrowth. Shampoos for thinning hair often include DHT blockers, which can slow female pattern hair loss by reducing the hormone's effect on follicles.

Products like hair growth serums and nourishing shampoos improve circulation, reduce inflammation, and create a healthy scalp environment. A scalp massager can also enhance absorption when used a few times a week. Choosing the best products for hair growth and thickness depends on your hair type and specific needs.

Does anything actually work for regrowth?

Yes – there are effective treatment options for many types of hair loss. While genetics and health conditions can influence results, clinical research supports products to help hair growth when used consistently. A well-designed regimen combines topical ingredients, supportive hair care routines, and lifestyle adjustments.

The American Academy of Dermatology recommends early use of hair loss treatments to preserve follicles. Combining shampoos, serums, and oils with gentle styling products helps reduce breakage and encourage regrowth. Patience is key, as visible improvements often take several months.

Natural Products to Encourage Hair Growth

Hair growth oil and essential oils

Natural oils are a popular way to treat hair and support scalp health. Rosemary oil, peppermint oil, and pumpkin seed oil have all been studied for their role in improving circulation and reducing inflammation. These oils can provide benefits similar to low-dose minoxidil without a prescription.

When applied directly to the scalp, oils act as conditioners and barrier protectors. They work best when massaged in gently, left on overnight, and washed out with mild shampoos for thinning hair. This method suits many hair types, including color-treated hair, though a patch test is always advised to minimize side effects.

Plant-based supplements and vitamins

Supplements with biotin, vitamin D, and zinc support hair growth from within. These nutrients strengthen follicles and improve overall scalp function. For patients experiencing postpartum hair loss, nutritional support combined with topical products may reduce shedding.

Plant-based supplements, such as saw palmetto, can also block DHT. While results vary, they are often included in holistic hair care routines. Before starting supplements, it is best to consult a board-certified dermatologist to ensure safety and proper dosing.

Best Hair Growth Products and Treatments

Best shampoo for hair growth

Shampoos are often the first step in treating thinning hair because they set the stage for everything else in a routine.

When used several times a week, shampoos for thinning hair help establish a foundation for other hair loss treatments like serums and targeted oils. Many formulas are safe for color-treated hair, making them versatile for different hair types and daily hair care routines. 

Gentle, sulfate-free options are best, since they protect scalp health while supporting long-term results.

Adding natural oils can further enhance the effects of shampoos. Rosemary oil has been studied for its ability to promote circulation and is often compared to minoxidil in effectiveness over time. 

Pumpkin seed oil may block DHT – a key factor in female pattern hair loss – while nourishing the scalp with fatty acids. Peppermint oil provides a cooling effect that improves blood flow and refreshes the scalp, which can make it easier for follicles to stay active. 

Using these oils alongside shampoos gives patients a balanced approach to treating hair and encouraging healthier growth.

Prescription vs. over-the-counter hair regrowth treatment

While RootMD does not provide prescriptions, many patients consider both prescription and non-prescription approaches. Over-the-counter solutions like minoxidil are widely available and backed by research.

For those exploring stronger options, consulting a board-certified dermatologist ensures safe use of medical-grade products. Combining these treatments with non-prescription solutions – such as oils, shampoos, and serums – can offer a balanced path to regrowth.

Hair loss vs. hair growth treatments

Hair loss treatments focus on slowing shedding and protecting existing follicles, while hair growth solutions aim to stimulate new strands and improve density. Understanding this difference is essential, since it helps patients set realistic goals and avoid frustration. 

Not every product will regrow hair, but many can preserve what you already have and create the right conditions for future regrowth.

For example, anti-shedding shampoos often include DHT blockers to reduce the hormonal impact on the hair follicle. These products protect scalp health and reduce daily breakage. On the other hand, products to encourage hair growth – such as serums with natural oils like rosemary and pumpkin seed – focus on circulation, follicle stimulation, and nutrient delivery.

Combining both strategies often delivers the best long-term results. Patients can use a shampoo for thinning hair a few times a week to protect scalp balance, while applying a hair growth oil or serum daily to stimulate regrowth. 

This layered approach addresses different aspects of the hair cycle and increases the chances of maintaining thicker, healthier hair over time.

Building a Routine with Hair Growth Products

Best products to use for faster hair growth

Patients often ask which products deliver results the fastest, especially when dealing with visible thinning or recent shedding. The truth is that the best products for hair growth and thickness are those used consistently, not just once in a while. 

Hair responds slowly to change, so setting up a steady routine is far more effective than switching between products or expecting overnight results.

Shampoos for thinning hair help cleanse the scalp and prepare follicles for other treatments, while hair growth serums deliver active ingredients directly to the root. Natural oils like rosemary, pumpkin seed, or peppermint can also be layered into a plan to boost circulation and protect scalp health. 

Used together, these products create a well-rounded approach to support healthy hair growth.

A simple plan might include shampooing two to three times a week, applying a serum once or twice daily, and massaging oil into the scalp at night. A scalp massager can make this routine more effective by enhancing absorption and stimulating blood flow to the follicle. 

For patients with color-treated hair or sensitive scalps, adjusting the frequency and choosing gentle formulas ensures long-term comfort and results.

By following a clear schedule, patients maximize product effectiveness without overuse. This consistent approach builds the foundation for visible improvement within a few months, helping protect existing strands while encouraging new growth.

Hair regrowth timeline

Hair grows slowly, so realistic expectations are essential. Most people see noticeable changes after 3 to 6 months of consistent use. This includes reduced shedding, thicker strands, and improved scalp comfort.

Results depend on the type of hair loss and individual hair types. Patients with postpartum hair loss or early female pattern hair loss often respond better than those with advanced thinning. Tracking progress with photos helps maintain motivation during the waiting period.

Safety and Practical Considerations

Patch testing and sensitive scalps

Even the best hair products for hair growth can cause side effects if not used correctly. Patch testing is a simple way to prevent irritation, especially with essential oils or new serums. Apply a small amount behind the ear or on the inner arm before using it widely.

For patients with sensitive scalps or color-treated hair, start with a lower frequency – such as two times a week – before increasing usage. This reduces the chance of itching, dryness, or redness.

Setting realistic expectations

No single product is a miracle solution. Effective treatment requires consistency, patience, and a combination of approaches. Setting realistic expectations ensures patients feel encouraged rather than frustrated.

Board-certified dermatologists emphasize that results vary based on genetics, type of hair loss, and overall health. The goal should be steady improvement in thickness, scalp health, and hair quality over time.

Lifestyle Habits That Support Hair Growth

Nutrition and supplements for stronger hair

Healthy hair growth depends on a balanced diet. Protein, iron, and vitamins like biotin all contribute to follicle strength. Patients who lack these nutrients often experience more shedding and weaker strands.

Supplements can fill gaps, but whole foods should come first. A diet with lean protein, leafy greens, and nuts provides the foundation for hair health. These steps enhance the results of products to help hair growth.

Stress, sleep, and daily habits

Stress and poor sleep can worsen shedding by disrupting hair cycles. Practicing stress management and aiming for 7–8 hours of rest supports regrowth. Gentle styling products and protective hairstyles also reduce breakage.

Integrating these habits into daily life builds resilience for the hair follicle. Together with effective products, they form a complete plan to treat hair and maintain results.

Key Takeaway: Choosing the Right Hair Growth Solution

Choosing products to encourage hair growth means finding a routine that suits your scalp, hair type, and goals. With RootMD, patients gain access to dermatologist-developed shampoos, oils, and serums that are backed by science. Guided by experts like Dr. Ross Kopelman, RootMD ensures every step supports safe and healthy regrowth.

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