Grow Your Hair 2 cm Per Day With Vaseline and Onion: The Viral Method Explained
If you’ve been searching for a fast, affordable, and natural way to boost hair growth, you’ve probably seen the viral trend of using Vaseline and onion juice. Many beauty lovers swear by this unusual duo, claiming it can help hair grow up to 2 cm per day — a dream for anyone dealing with thinning, slow growth, or breakage.
But how does this method work, and how do you use it correctly for the best results? Here’s a full guide you can follow at home.
Why Vaseline and Onion Juice Are Trending for Hair Growth
1. Onion Juice – A Powerful Natural Growth Booster
Onion juice has been used for centuries in Ayurvedic hair care. It’s rich in:
Sulfur, which boosts collagen production
Antioxidants, which protect the follicles
Antibacterial properties, keeping the scalp clean and healthy
These benefits can reduce hair fall, strengthen weak roots, and encourage rapid regrowth.
2. Vaseline – A Moisture-Locking Barrier
Vaseline (petroleum jelly) does not grow hair on its own. However, it can:
Seal in moisture
Protect the scalp from dryness
Reduce breakage
Create a smooth environment for new hair strands to grow
When paired with onion juice, Vaseline helps the scalp stay hydrated so the active nutrients from the onion work more effectively.
How to Prepare the Vaseline + Onion Hair Growth Remedy
Ingredients
1 medium red onion
1 teaspoon of Vaseline
1 tablespoon of coconut oil or olive oil (optional for easier application)
Gauze or a clean cloth
A small mixing bowl
Step-by-Step Instructions
Step 1: Extract the Onion Juice
Peel and chop the onion.
Blend or grate it.
Use gauze to squeeze out the juice.
Onion juice should be fresh for maximum effectiveness.
Step 2: Melt the Vaseline
Warm 1 teaspoon of Vaseline for 10–15 seconds until it softens (do not overheat).
Step 3: Mix Everything Together
Combine the softened Vaseline with the onion juice.
Add coconut or olive oil if you want a smoother, easier-to-apply mixture.
How to Apply for Fast Hair Growth
1. Start With a Clean Scalp
Wash and dry your hair before applying the mixture. A clean scalp absorbs nutrients better.
2. Massage Into the Scalp
Use your fingertips to gently massage the mixture into your roots for 5 minutes.
Scalp massage increases blood circulation, which is essential for fast growth.
3. Leave It On
Leave the mixture on your scalp for 30–45 minutes.
For extra intensity, cover your head with a warm towel or shower cap.
4. Wash Thoroughly
Use shampoo to remove the Vaseline — you may need to shampoo twice.
How Often Should You Use This Method?
For visible results:
Use 3–4 times per week
Follow consistently for 2–3 weeks
Some people notice faster baby-hair growth within the first week.
Does It Really Grow Hair 2 cm Per Day?
Growing 2 cm per day is biologically unlikely — but many users report:
Faster regrowth
Thicker hair
Reduced shedding
Healthier, shinier strands
The onion juice stimulates growth, while Vaseline prevents breakage, making your hair appear longer faster.
With consistent use, this remedy may significantly speed up visible length.
Tips to Boost Results Even More
Warm coconut oil massage before bedtime
Take biotin or zinc supplements
Avoid tight hairstyles
Reduce heat styling
Drink plenty of water
Combining the Vaseline–onion treatment with a healthy hair routine can maximize your results.
Side Effects & Precautions
Onion juice may irritate sensitive skin
Do a patch test first
Avoid using if you have scalp wounds, eczema, or dermatitis
Wash thoroughly to avoid Vaseline buildup
Final Thoughts
The Vaseline and onion hair-growth trend is popular for a reason: it’s cheap, simple, and many people see real results. While it may not literally grow hair 2 cm per day, it can help your hair grow faster, thicker, and stronger with consistent use.
If you’re looking for a natural, at-home solution for longer hair, this method is absolutely worth trying.

