27 DIY Hair Growth Serums That Actually Work (No Magic Potions Here, Just Science!)
If you’ve ever stared at your hair in the mirror, thinking, “Why can’t you just grow faster?”—you’re not alone. Whether you’re recovering from a bad haircut (we’ve all been there), dealing with hair thinning, or just wanting longer, healthier locks, the solution might be easier than you think.
Enter: DIY hair growth serums. Not the overpriced, fancy-labeled stuff that costs more than your rent, but effective, natural serums you can make at home with ingredients that actually do the job.
So, grab your oils, a couple of empty dropper bottles, and let’s mix up some hair-growing magic.
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🌿 Why DIY Hair Growth Serums?
- Customizable: You know exactly what’s in it—no weird chemicals or fillers.
- Cost-Effective: Fancy serums can cost $50+. You can make your own for a fraction of that.
- Natural Ingredients: Essential oils like rosemary, peppermint, and castor oil are scientifically proven to support hair growth.
27 DIY Hair Growth Serum Recipes
1. The Rosemary Power Serum (For Faster Growth)
- Ingredients:
- 2 tbsp jojoba oil (carrier oil)
- 10 drops rosemary essential oil
- 5 drops peppermint essential oil
- 1 tsp vitamin E oil
- How to Use:
- Mix in a dropper bottle, shake well.
- Apply to your scalp after washing or as an overnight treatment.
- Massage gently for 5 minutes.
- Why It Works: Rosemary improves circulation, while peppermint stimulates the scalp. Vitamin E nourishes hair follicles.
2. Castor Oil Growth Booster (For Thick, Strong Hair)
- Ingredients:
- 1 tbsp castor oil
- 1 tbsp coconut oil
- 8 drops lavender essential oil
- How to Use:
- Warm slightly to thin the castor oil.
- Apply directly to the scalp and massage.
- Leave for at least 2 hours (or overnight), then wash.
- Pro Tip: Castor oil is thick—dilute with lighter oils to make application easier.
3. Aloe Vera & Tea Tree Serum (For Oily Scalps & Hair Growth)
- Ingredients:
- 3 tbsp aloe vera gel
- 10 drops tea tree essential oil
- 1 tbsp rose water
- How to Use:
- Mix in a spray bottle.
- Spritz onto your scalp after washing, no need to rinse.
- Why It Works: Aloe soothes the scalp, while tea tree fights dandruff and promotes follicle health.

4. Onion Juice Hair Serum (For Serious Growth)
- Ingredients:
- 2 tbsp fresh onion juice
- 1 tbsp castor oil
- 5 drops rosemary oil
- How to Use:
- Apply directly to your scalp.
- Leave for 30 minutes, then wash thoroughly.
- Personal Experience: Yes, it smells bad—but the results are real. Just don’t skip the shampoo after!
5. Green Tea Hair Growth Serum (Antioxidant Powerhouse)
- Ingredients:
- ½ cup brewed green tea (cooled)
- 1 tbsp jojoba oil
- 5 drops peppermint oil
- How to Use:
- Pour into a spray bottle.
- Spritz onto your scalp daily. No need to rinse.
- Why It Works: Green tea contains EGCG, which supports hair follicle growth.
6. DIY Hair Growth Serum with Essential Oils (Ultimate Blend)
- Ingredients:
- 1 tbsp argan oil
- 5 drops cedarwood essential oil
- 5 drops rosemary essential oil
- 3 drops lavender essential oil
- How to Use:
- Apply a few drops to your scalp.
- Massage for 5 minutes. Leave in or rinse out after a few hours.
- Pro Tip: This blend smells amazing and works great for both men and women.
7. Fenugreek & Coconut Oil Serum (For Reducing Hair Fall)
- Ingredients:
- 1 tbsp fenugreek seed powder
- 2 tbsp coconut oil
- 5 drops tea tree oil
- How to Use:
- Warm gently and apply to the scalp.
- Leave for an hour, then wash out.
- Why It Works: Fenugreek is rich in proteins that help strengthen hair.
8. Ginseng Hair Serum (For Stimulating Follicles)
- Ingredients:
- 1 tbsp ginseng extract
- 1 tbsp grapeseed oil
- 5 drops rosemary oil
- How to Use:
- Apply to your scalp after washing your hair.
- Massage in and leave it—no rinse needed.
- Why It Works: Ginseng stimulates scalp circulation, promoting growth.
9. Hibiscus Hair Serum (For Thick, Luscious Hair)
- Ingredients:
- 1 tbsp hibiscus powder
- 2 tbsp olive oil
- 5 drops rose oil
- How to Use:
- Apply as a mask for 30 minutes, then rinse.
- Pro Tip: Great for adding shine and volume, especially to curly hair.

10. Coffee-Infused Hair Growth Serum (Yes, Coffee!)
- Ingredients:
- 1 tbsp coffee grounds
- 2 tbsp sweet almond oil
- 5 drops peppermint oil
- How to Use:
- Mix well, apply to the scalp, and massage.
- Leave for 30 minutes, then rinse thoroughly.
- Why It Works: Caffeine stimulates hair follicles, increasing growth speed.
11. Argan & Lavender Hair Serum (For Shine and Growth)
- Ingredients:
- 2 tbsp argan oil
- 8 drops lavender essential oil
- 5 drops rosemary essential oil
- How to Use:
- Apply a few drops to your scalp and massage gently.
- Leave overnight or wash out after a few hours.

12. Black Seed Oil Growth Serum (For Thinning Hair)
- Ingredients:
- 1 tbsp black seed oil
- 1 tbsp coconut oil
- 5 drops peppermint essential oil
- How to Use:
- Massage into the scalp and leave for at least 30 minutes before washing out.
13. Curry Leaves & Castor Oil Serum (For Hair Strengthening)
- Ingredients:
- 1 tbsp castor oil
- 1 tbsp coconut oil
- A handful of fresh curry leaves (heated in the oil until crisp)
- How to Use:
- Strain out the leaves, apply the infused oil to the scalp, and leave for 1 hour.
14. Clove-Infused Hair Growth Serum (For Strong Roots)
- Ingredients:
- 1 tbsp olive oil
- 1 tbsp castor oil
- ½ tsp clove powder
- How to Use:
- Mix and warm slightly. Apply to the scalp, leave for 30 minutes, then rinse.
15. Mustard Seed Hair Serum (For Faster Hair Growth)
- Ingredients:
- 1 tbsp mustard seed oil
- 1 tbsp almond oil
- 5 drops tea tree oil
- How to Use:
- Apply to the scalp, massage for 5 minutes, and leave for 20-30 minutes before washing.
16. Neem & Tea Tree Hair Growth Serum (For Dandruff and Growth)
- Ingredients:
- 1 tbsp neem oil
- 1 tbsp jojoba oil
- 5 drops tea tree oil
- How to Use:
- Apply to the scalp and leave on for an hour before rinsing out.

17. Hibiscus & Aloe Hair Growth Serum (For Moisture and Growth)
- Ingredients:
- 2 tbsp aloe vera gel
- 1 tbsp hibiscus powder
- 5 drops rose oil
- How to Use:
- Mix into a smooth serum, apply to the scalp, and leave for 45 minutes before washing.
18. Sage & Rosemary Hair Growth Serum (For Hair Thinning)
- Ingredients:
- 1 tbsp grapeseed oil
- 5 drops rosemary essential oil
- 5 drops sage essential oil
- How to Use:
- Apply to the scalp, massage well, and leave for 1-2 hours before washing.
19. Vitamin E & Olive Oil Serum (For Healthy Scalp)
- Ingredients:
- 1 tbsp olive oil
- 1 tbsp coconut oil
- 1 vitamin E capsule (pierced and squeezed)
- How to Use:
- Massage into the scalp and leave overnight for deep nourishment.
20. Basil & Peppermint Hair Growth Serum (For Follicle Stimulation)
- Ingredients:
- 1 tbsp basil essential oil
- 1 tbsp almond oil
- 5 drops peppermint oil
- How to Use:
- Apply to the scalp, massage for 5 minutes, and leave on for 30 minutes before rinsing.

21. Moringa & Castor Oil Serum (For Nourishment and Growth)
- Ingredients:
- 1 tbsp moringa oil
- 1 tbsp castor oil
- 5 drops rosemary essential oil
- How to Use:
- Mix well and apply to your scalp, massaging gently.
- Leave for 1-2 hours before washing out.
22. Coconut Milk & Lavender Hair Growth Serum (For Hydration & Growth)
- Ingredients:
- 2 tbsp coconut milk
- 1 tbsp argan oil
- 5 drops lavender essential oil
- How to Use:
- Apply to damp scalp and hair.
- Leave for 30 minutes before rinsing thoroughly.
23. Rosehip & Peppermint Hair Growth Serum (For Scalp Health)
- Ingredients:
- 1 tbsp rosehip oil
- 1 tbsp jojoba oil
- 6 drops peppermint essential oil
- How to Use:
- Massage into the scalp, focusing on thinning areas.
- Leave overnight for maximum benefits.
24. Ginger & Sesame Oil Serum (For Stimulating Blood Flow)
- Ingredients:
- 1 tbsp ginger juice
- 2 tbsp sesame oil
- 4 drops tea tree essential oil
- How to Use:
- Apply directly to the scalp, massage for 5 minutes.
- Leave for 20-30 minutes before rinsing.
25. Avocado Oil & Rosemary Serum (For Thick, Strong Hair)
- Ingredients:
- 1 tbsp avocado oil
- 1 tbsp olive oil
- 7 drops rosemary essential oil
- How to Use:
- Apply generously to the scalp and hair.
- Leave for at least 1 hour before shampooing.

26. Calendula & Argan Oil Hair Serum (For Scalp Soothing and Growth)
- Ingredients:
- 1 tbsp calendula oil
- 1 tbsp argan oil
- 5 drops lavender essential oil
- How to Use:
- Apply to irritated or sensitive scalps to promote healing and growth.
- Leave on without rinsing if using minimal amounts.
27. Eucalyptus & Castor Oil Serum (For Invigorating Hair Growth)
- Ingredients:
- 1 tbsp castor oil
- 1 tbsp grapeseed oil
- 6 drops eucalyptus essential oil
- How to Use:
- Warm slightly, apply to the scalp, and massage thoroughly.
- Leave for 1 hour before washing out with a mild shampoo.
27 DIY Hair Growth Serums
# | Serum Name | Key Ingredients | Best For | Application Frequency |
---|---|---|---|---|
1 | Rosemary Power Serum | Jojoba oil, rosemary, peppermint, vitamin E | Boosting circulation | 2–3 times/week |
2 | Castor Oil Growth Booster | Castor oil, coconut oil, lavender | Thickening hair | 1–2 times/week |
3 | Aloe & Tea Tree Serum | Aloe vera, tea tree, rose water | Oily scalps & dandruff | Daily |
4 | Onion Juice Serum | Onion juice, castor oil, rosemary | Extreme hair growth | 2 times/week |
5 | Green Tea Hair Serum | Green tea, jojoba oil, peppermint | Reducing hair fall | Daily |
6 | Essential Oils Growth Blend | Argan, cedarwood, rosemary, lavender | Overall growth | 3 times/week |
7 | Fenugreek & Coconut Serum | Fenugreek, coconut oil, tea tree | Strengthening roots | 1–2 times/week |
8 | Ginseng Hair Serum | Ginseng, grapeseed oil, rosemary | Stimulating follicles | After hair wash |
9 | Hibiscus Hair Serum | Hibiscus powder, olive oil, rose | Adding shine & volume | Weekly |
10 | Coffee-Infused Hair Serum | Coffee grounds, almond oil, peppermint | Growth & scalp stimulation | 2 times/week |
11 | Argan & Lavender Serum | Argan oil, lavender, rosemary | Shine and growth | 2–3 times/week |
12 | Black Seed Oil Growth Serum | Black seed oil, coconut oil, peppermint | Thinning hair | 1–2 times/week |
13 | Curry Leaves & Castor Oil Serum | Castor oil, coconut oil, curry leaves | Hair strengthening | Weekly |
14 | Clove-Infused Hair Serum | Olive oil, castor oil, clove powder | Strong roots | 1–2 times/week |
15 | Mustard Seed Hair Serum | Mustard oil, almond oil, tea tree | Faster hair growth | 2 times/week |
16 | Neem & Tea Tree Serum | Neem oil, jojoba oil, tea tree | Dandruff & scalp health | Weekly |
17 | Hibiscus & Aloe Serum | Aloe vera, hibiscus powder, rose oil | Moisture & growth | Weekly |
18 | Sage & Rosemary Serum | Grapeseed oil, rosemary, sage | Hair thinning | 2–3 times/week |
19 | Vitamin E & Olive Oil Serum | Olive oil, coconut oil, vitamin E | Healthy scalp | 1–2 times/week |
20 | Basil & Peppermint Serum | Basil oil, almond oil, peppermint | Follicle stimulation | 2 times/week |
21 | Moringa & Castor Oil Serum | Moringa oil, castor oil, rosemary | Nourishment & growth | Weekly |
22 | Coconut Milk & Lavender Serum | Coconut milk, argan oil, lavender | Hydration & growth | 1–2 times/week |
23 | Rosehip & Peppermint Serum | Rosehip oil, jojoba oil, peppermint | Scalp health | Daily |
24 | Ginger & Sesame Oil Serum | Ginger juice, sesame oil, tea tree | Blood flow stimulation | 2 times/week |
25 | Avocado Oil & Rosemary Serum | Avocado oil, olive oil, rosemary | Thick, strong hair | 1–2 times/week |
26 | Calendula & Argan Oil Serum | Calendula oil, argan oil, lavender | Scalp soothing & growth | Weekly |
27 | Eucalyptus & Castor Oil Serum | Castor oil, grapeseed oil, eucalyptus | Invigorating hair growth | 1–2 times/week |
FAQs About DIY Hair Growth Serums
Q1: How long does it take to see results from hair growth serums?
You may start noticing changes in 4 to 8 weeks with consistent use, depending on your hair type and growth cycle.
Q2: Can I leave these serums on overnight?
Yes, especially oil-based serums like castor oil blends. Just make sure to use a pillow protector to avoid stains.
Q3: Are these serums safe for sensitive scalps?
Most are, but it’s essential to do a patch test first, especially with potent essential oils like peppermint or tea tree.
Q4: Can men use these hair growth serums?
Absolutely! These serums work for both men and women, especially blends with rosemary, castor, and black seed oil.
Q5: Do I have to wash my hair every time after applying the serum?
For heavy oil-based serums, yes. But lightweight, water-based serums (like aloe or green tea blends) can be left in.
Q6: Can I mix different serums together?
Yes, but be mindful of the concentration of essential oils. Stick to the recommended number of drops to avoid irritation.
Tips for Getting the Best Results with Hair Growth Serums
- Be Consistent: Apply your chosen serum regularly—2-3 times a week or daily for lighter formulas.
- Scalp Massage: Spend 3–5 minutes massaging the serum into your scalp to stimulate blood flow.
- Use Warm Oil: Slightly warm oils like coconut or castor before applying for better absorption.
- Stay Hydrated: Healthy hair starts from within—drink plenty of water for optimal results.
- Diet Matters: Pair your serum routine with a balanced diet rich in vitamins like biotin, iron, and omega-3s.
- Protect Your Pillow: Use a silk or satin pillowcase to reduce friction and help retain moisture.
- Patch Test First: Always test new serums on a small skin area to avoid allergic reactions.
- Don’t Overdo It: More serum doesn’t mean faster growth—stick to small amounts to prevent buildup.
- Track Your Progress: Take before-and-after photos every month to see subtle changes.
- Be Patient: Hair grows about ½ inch per month on average—give it time and trust the process.
These serums, combined with healthy habits and patience, can truly transform your hair growth journey! 🌿✨
