10 Best Hair Growth Serums for Thickening Hair

10 Best Hair Growth Serums for Thickening Hair

Are you looking for a way to boost your hair growth and thickness? Do you want to have fuller, healthier, and more voluminous hair? If so, you might want to try a hair growth serum.

Hair growth serums are products that are applied to the scalp and hair, usually after washing and conditioning. They contain ingredients that stimulate the hair follicles, nourish the scalp, and improve the hair quality and texture. Some of the most common ingredients in hair growth serums are minoxidil, caffeine, biotin, peptides, and natural oils and extracts.

Hair growth serums can help with various hair concerns, such as thinning, shedding, breakage, and slow growth. They can also enhance the appearance of your hair, making it shinier, softer, and smoother. However, not all hair growth serums are created equal. Some may work better for certain hair types, conditions, and goals than others.

To help you find the best hair growth serum for your needs, we have compiled a list of 10 of the most popular and effective products on the market. We have also included some tips on how to use them and what to expect from them. Here are the 10 best hair growth serums for thickening hair in 2024:

Evolvh Better Roots Serum

Best Hair Growth Serum Overall

Evolvh Better Roots Serum is a lightweight, non-greasy, and vegan-friendly serum that claims to increase hair density, thickness, and strength. It contains a proprietary blend of plant-based ingredients, such as pea sprout extract, ashwagandha, and red clover, that work together to stimulate the scalp, nourish the hair follicles, and protect the hair from environmental damage. It also has a pleasant floral scent and a silky texture that glides easily on the hair.

Evolvh Better Roots Serum is suitable for all hair types and textures, and can be used daily or as needed. To use it, simply spray it onto damp or dry scalp and hair, and massage it gently. You can leave it on or rinse it off after 15 minutes. You should see results in as little as four weeks, with optimal results in 12 weeks.

Evolvh Better Roots Serum is available at Sephora for $69 for a 4 oz bottle.

Bosley Hair Regrowth Serum

Best Clinical Hair Growth Serum

Bosley Hair Regrowth Serum is a clinically proven serum that contains 5% minoxidil, the only FDA-approved ingredient for treating hair loss. Minoxidil works by increasing the blood flow to the scalp, which stimulates the hair follicles and extends the growth phase of the hair cycle. It also helps prevent further hair loss and improves the hair quality and thickness.

Bosley Hair Regrowth Serum is designed for men and women who have hereditary hair loss, also known as androgenetic alopecia. It is recommended to use it twice a day, applying 1 ml of the serum to the affected areas of the scalp and spreading it evenly. You should not wash your hair for at least four hours after applying the serum. You should notice some hair regrowth in two to four months, with full results in six to 12 months.

Bosley Hair Regrowth Serum is available at Amazon for $39.95 for a 2 oz bottle.

Act+Acre Stem Cell Scalp Serum

Best Luxury Hair Growth Serum

Act+Acre Stem Cell Scalp Serum is a premium serum that uses stem cell technology to promote hair growth and thickness. It contains a patented complex of plant stem cells, peptides, and hyaluronic acid, that work together to rejuvenate the scalp, activate the hair follicles, and hydrate the hair. It also has a refreshing minty scent and a cooling sensation that soothes the scalp.

Act+Acre Stem Cell Scalp Serum is suitable for all hair types and conditions, and can be used once or twice a week. To use it, apply 2 to 3 drops of the serum to each section of the scalp and massage it gently. You can leave it on overnight or rinse it off after 20 minutes. You should see results in as little as six weeks, with optimal results in 12 weeks.

Act+Acre Stem Cell Scalp Serum is available at Act+Acre for $85 for a 1.7 oz bottle.

The Inkey List Scalp Treatment

Best Value Hair Growth Serum

The Inkey List Scalp Treatment is an affordable serum that contains caffeine, a powerful ingredient that stimulates the scalp and hair growth. Caffeine works by increasing the blood circulation to the scalp, which delivers more oxygen and nutrients to the hair follicles. It also helps reduce inflammation, irritation, and dandruff, which can interfere with hair growth.

The Inkey List Scalp Treatment is suitable for all hair types and concerns, and can be used daily or as needed. To use it, apply a few drops of the serum to the scalp and massage it gently. You can leave it on or rinse it off after 10 minutes. You should see results in as little as four weeks, with optimal results in 12 weeks.

The Inkey List Scalp Treatment is available at Sephora for $15 for a 1.7 oz bottle.

Vegamour Gro+ Advanced Hair Serum

Best Vegan Hair Growth Serum

Vegamour Gro+ Advanced Hair Serum is a vegan, cruelty-free, and gluten-free serum that contains CBD, a natural compound that has anti-inflammatory and antioxidant properties. CBD helps calm the scalp, reduce inflammation, and protect the hair from free radical damage. It also enhances the effects of other ingredients in the serum, such as mung bean, red clover, and curcumin, that stimulate the hair follicles, inhibit the hormone that causes hair loss, and improve the hair density and thickness.

Vegamour Gro+ Advanced Hair Serum is suitable for all hair types and concerns, and can be used daily or as needed. To use it, apply one full dropper of the serum to the scalp and massage it gently. You can leave it on or rinse it off after 30 minutes. You should see results in as little as three months, with optimal results in six months.

Vegamour Gro+ Advanced Hair Serum is available at Vegamour for $68 for a 1 oz bottle.

Keranique Follicle Boosting Serum

Best Hair Growth Serum for Women

Keranique Follicle Boosting Serum is a serum that is specially formulated for women who have thinning or fine hair. It contains keratin, a protein that is essential for hair growth and strength. Keratin works by coating the hair shaft, repairing the damage, and preventing breakage. It also adds volume, shine, and smoothness to the hair.

Keranique Follicle Boosting Serum is suitable for all hair types and textures, and can be used daily or as needed. To use it, apply a few drops of the serum to the scalp and hair, and massage it gently. You can leave it on or rinse it off after 10 minutes. You should see results in as little as eight weeks, with optimal results in 16 weeks.

Keranique Follicle Boosting Serum is available at Ulta for $28 for a 2 oz bottle.

Grow Gorgeous Hair Density Serum Intense

Best Hair Growth Serum for Fine Hair

Grow Gorgeous Hair Density Serum Intense is a serum that is designed to increase the hair density, thickness, and fullness. It contains a high concentration of active ingredients, such as caffeine, biotin, amino acids, and zinc, that work together to stimulate the scalp, nourish the hair follicles, and improve the hair quality and texture. It also has a pleasant floral scent and a lightweight texture that absorbs quickly into the hair.

Grow Gorgeous Hair Density Serum Intense is suitable for fine or thinning hair, and can be used daily or as needed. To use it, apply 20 drops of the serum to the scalp and hair, and massage it gently. You can leave it on or rinse it off after 10 minutes. You should see results in as little as four weeks, with optimal results in 12 weeks.

Grow Gorgeous Hair Density Serum Intense is available at Sephora for $50 for a 2 oz bottle.

Pura D’or Hair Thinning Therapy Energizing Scalp Serum

Best Natural Hair Growth Serum

Pura D’or Hair Thinning Therapy Energizing Scalp Serum is a serum that is made with natural and organic ingredients, such as argan oil, aloe vera, biotin, niacin, and botanical extracts, that work together to promote hair growth and thickness. It also contains caffeine, which boosts the blood flow to the scalp and stimulates the hair follicles. It also helps reduce inflammation, irritation, and dandruff, which can interfere with hair growth.

Pura D’or Hair Thinning Therapy Energizing Scalp Serum is suitable for all hair types and concerns, and can be used daily or as needed. To use it, apply a few drops of the serum to the scalp and hair, and massage it gently. You can leave it on or rinse it off after 10 minutes. You should see results in as little as eight weeks, with optimal results in 16 weeks.

Pura D’or Hair Thinning Therapy Energizing Scalp Serum is available at Amazon for $19.99 for a 4 oz bottle.

Nutrafol Hair Growth Serum

Best Hair Growth Serum for Men

Nutrafol Hair Growth Serum is a serum that is specifically designed for men who have thinning or receding hair. It contains a patented blend of natural ingredients, such as saw palmetto, ashwagandha, curcumin, and marine collagen, that work together to target the root causes of hair loss, such as stress, hormones, inflammation, and oxidative stress. It also helps improve the hair quality and thickness, and prevent further hair loss.

Nutrafol Hair Growth Serum is suitable for all hair types and stages of hair loss, and can be used daily or as needed. To use it, apply 1 ml of the serum to the affected areas of the scalp and spread it evenly. You can leave it on or rinse it off after 10 minutes. You should see results in as little as three months, with optimal results in six months.

Nutrafol Hair Growth Serum is available at Nutrafol for $88 for a 2 oz bottle.

Briogeo B. Well Organic + Cold-Pressed 100% Castor Oil

Best Oil-Based Hair Growth Serum

Briogeo B. Well Organic + Cold-Pressed 100% Castor Oil is a serum that is made with pure castor oil, a natural oil that has been used for centuries to promote hair growth and thickness. Castor oil works by moisturizing the scalp, strengthening the hair shaft, and enhancing the hair elasticity and shine. It also contains ricinoleic acid, a fatty acid that stimulates the scalp and hair follicles, and prevents hair loss.

Briogeo B. Well Organic + Cold-Pressed 100% Castor Oil is suitable for all hair types and concerns, and can be used once or twice a week. To use it, apply a few drops of the oil to the scalp and hair, and massage it gently. You can leave it on overnight or rinse it off after 20 minutes. You should see results in as little as four weeks, with optimal results in 12 weeks.

Briogeo B. Well Organic + Cold-Pressed 100% Castor Oil is available at Sephora for $26 for a 1.7 oz bottle.

How to Use Hair Growth Serums

Now that you have learned about the 10 best hair growth serums for thickening hair, you might be wondering how to use them effectively. Here are some tips on how to apply hair growth serums and what to expect from them:

• Choose the right serum for your hair type, condition, and goal. Different hair growth serums have different ingredients, formulas, and benefits. Some may work better for certain hair types, conditions, and goals than others. For example, if you have fine or thinning hair, you might want to choose a serum that adds volume and density to your hair. If you have dry or damaged hair, you might want to choose a serum that moisturizes and repairs your hair. If you have hereditary hair loss, you might want to choose a serum that contains minoxidil or other clinically proven ingredients.
• Follow the instructions on the label. Each hair growth serum has its own directions on how to use it, such as how much to apply, how often to use it, and how long to leave it on. It is important to follow the instructions on the label to get the best results and avoid any adverse effects. For example, some serums may require you to apply them twice a day, while others may only need to be applied once or twice a week. Some serums may need to be left on for a few minutes, while others may need to be left on overnight. Some serums may need to be rinsed off, while others may not.
• Apply the serum to clean and damp scalp and hair. Before applying the serum, it is recommended to wash and condition your hair as usual, and towel-dry it gently. This will help remove any dirt, oil, or product buildup that may clog your pores and prevent the serum from penetrating your scalp and hair. Applying the serum to damp hair will also help lock in the moisture and nutrients that the serum provides.
• Massage the serum gently into your scalp and hair. Use your fingertips to apply the serum to your scalp and hair, focusing on the areas where you want to see more growth and thickness. Massage the serum gently into your scalp and hair, using circular motions. This will help stimulate the blood circulation to your scalp, which will deliver more oxygen and nutrients to your hair follicles. It will also help spread the serum evenly and deeply into your scalp and hair.
• Style your hair as usual. After applying the serum, you can style your hair as usual, using your preferred products and tools. However, it is advisable to avoid using too much heat or chemicals on your hair, as they may damage your hair and counteract the effects of the serum. You may also want to use a gentle brush or comb to detangle your hair, and avoid pulling or tugging on your hair, as they may cause breakage and hair loss.
• Be patient and consistent. Hair growth serums are not magic potions that will give you instant results. They take time and consistency to work, as they need to stimulate your hair follicles, nourish your scalp, and improve your hair quality and texture. Depending on the serum and your hair condition, you may start to see some results in as little as four weeks, or as long as six months. The key is to be patient and consistent, and use the serum regularly and correctly. You may also want to take before and after pictures of your hair, to track your progress and see the difference.

Benefits of Hair Growth Serums

Hair growth serums are not only beneficial for your hair growth and thickness, but also for your overall hair health and appearance. Here are some of the benefits of using hair growth serums:

• They stimulate your hair follicles and extend the growth phase of your hair cycle. Hair growth serums contain ingredients that stimulate your scalp and hair follicles, such as caffeine, minoxidil, peptides, and plant extracts. These ingredients increase the blood flow to your scalp, which delivers more oxygen and nutrients to your hair follicles. They also activate the dormant hair follicles, and extend the anagen or growth phase of your hair cycle. This means that more hair will grow, and for a longer period of time, resulting in thicker and fuller hair.
• They nourish your scalp and hair follicles. Hair growth serums contain ingredients that nourish your scalp and hair follicles, such as biotin, amino acids, vitamins, and minerals. These ingredients provide the essential building blocks for your hair growth and strength. They also help prevent or treat any scalp conditions that may affect your hair growth, such as dryness, inflammation, irritation, or infection. A healthy scalp and hair follicles are the foundation for healthy hair growth and thickness.
• They improve your hair quality and texture. Hair growth serums contain ingredients that improve your hair quality and texture, such as keratin, collagen, hyaluronic acid, and natural oils and extracts. These ingredients coat the hair shaft, repair the damage, and prevent breakage. They also add moisture, shine, smoothness, and elasticity to your hair. They make your hair look and feel healthier, softer, and more manageable.

Risks and Side Effects of Hair Growth Serums

While hair growth serums are generally safe and effective, they may also have some risks and side effects that you should be aware of. Here are some of the possible risks and side effects of using hair growth serums:

• Allergic reactions. Some hair growth serums may contain ingredients that you are allergic or sensitive to, such as minoxidil, caffeine, or natural oils and extracts. These ingredients may cause allergic reactions on your scalp or skin, such as itching, burning, redness, swelling, or rash. If you experience any of these symptoms, you should stop using the serum immediately and consult your doctor. You may also want to do a patch test before using the serum, by applying a small amount of the product to a discreet area of your skin and waiting for 24 hours to see if you have any reaction.
• Scalp irritation. Some hair growth serums may contain ingredients that are too harsh or drying for your scalp, such as alcohol, sulfates, or parabens. These ingredients may cause scalp irritation, such as dryness, flaking, or inflammation. If you experience any of these symptoms, you should stop using the serum immediately and switch to a gentler product. You may also want to use a moisturizing shampoo and conditioner to hydrate your scalp and hair.
• Hair loss. Some hair growth serums may cause temporary hair loss, especially in the first few weeks of use. This is because some of the ingredients in the serum may cause your hair to shed faster than normal, as they stimulate the hair follicles and push out the old and weak hair. This is normal and expected, and it means that the serum is working. However, if the hair loss persists or worsens after a few months of use, you should stop using the serum immediately and consult your doctor. You may also want to use a gentle brush or comb to detangle your hair, and avoid pulling or tugging on your hair, as they may cause breakage and hair loss.
• Unwanted hair growth. Some hair growth serums may cause unwanted hair growth on other parts of your body, such as your face, arms, or legs. This is because some of the ingredients in the serum may be absorbed into your bloodstream and affect your hormone levels, such as minoxidil or CBD. This is rare and unlikely, but it may happen in some cases. If you experience any of these symptoms, you should stop using the serum immediately and consult your doctor. You may also want to apply the serum carefully and precisely to the areas where you want to see more growth and thickness, and avoid contact with other parts of your body.

Conclusion

Hair growth serums are products that can help you achieve your hair goals, whether it is to grow longer, thicker, or fuller hair. They contain ingredients that stimulate, nourish, and improve your scalp and hair, and enhance your hair health and appearance. However, they also have some risks and side effects that you should be aware of, and use them with caution and care.

We hope that this article has helped you learn more about hair growth serums, and how to choose and use them effectively. We have also provided you with a list of 10 of the best hair growth serums for thickening hair in 2024, based on their ingredients, benefits, and reviews. You can try any of these products, or do your own research and find the one that suits your needs and preferences.

Remember, hair growth serums are not the only solution for your hair concerns. You also need to take care of your overall health and wellness, such as eating a balanced diet, drinking enough water, getting enough sleep, managing your stress, and avoiding smoking and alcohol. These factors can also affect your hair growth and thickness, and your general well-being.

FAQs

Here are some of the frequently asked questions about hair growth serums:

• Q: How long does it take for hair growth serums to work?
• A: The answer depends on the serum, your hair condition, and your hair goal. Generally, it takes at least four weeks to see some results, and up to six months to see full results. However, some serums may work faster or slower than others, and some people may respond better or worse than others. The key is to be patient and consistent, and use the serum regularly and correctly.
• Q: Can I use hair growth serums with other hair products?
• A: Yes, you can use hair growth serums with other hair products, such as shampoo, conditioner, styling products, or supplements. However, you should make sure that the products are compatible and do not interfere with each other. For example, you should avoid using products that contain sulfates, parabens, or alcohol, as they may dry out or irritate your scalp and hair. You should also avoid using products that contain ingredients that may counteract the effects of the serum, such as DHT blockers, anti-androgens, or anti-inflammatories. You should also check the labels and instructions of the products, and follow them accordingly.
• Q: Can I use hair growth serums if I have colored or treated hair?
• A: Yes, you can use hair growth serums if you have colored or treated hair, as long as the serum is safe and gentle for your hair type and condition. However, you should be aware that some serums may affect the color or texture of your hair, such as fading, dulling, or changing the tone. You should also be careful not to over-process or damage your hair, as it may weaken your hair and cause more hair loss. You should also use a color-safe shampoo and conditioner, and protect your hair from heat and sun exposure.
• Q: Can I use hair growth serums if I am pregnant or breastfeeding?
• A: No, you should not use hair growth serums if you are pregnant or breastfeeding, unless you have consulted your doctor and obtained their approval. This is because some of the ingredients in the serum may be harmful or risky for you or your baby, such as minoxidil, caffeine, or CBD. These ingredients may enter your bloodstream and affect your hormone levels, blood pressure, or mood. They may also pass into your breast milk and affect your baby’s health and development. You should also avoid using hair growth serums if you are trying to conceive, as they may affect your fertility or pregnancy.
• Q: Can I use hair growth serums if I have a medical condition or take medication?
• A: No, you should not use hair growth serums if you have a medical condition or take medication, unless you have consulted your doctor and obtained their approval. This is because some of the ingredients in the serum may interact or interfere with your condition or medication, such as minoxidil, caffeine, or CBD. These ingredients may affect your blood pressure, heart rate, blood sugar, or liver function. They may also alter the effectiveness or side effects of your medication. You should also avoid using hair growth serums if you have a history of allergic reactions, scalp infections, or skin disorders, as they may worsen your symptoms or cause complications.