DIY Natural Hair Growth Treatments: What Works and What Doesn’t

Natural hair growth treatments have been passed down through generations in many cultures, and they are seeing a resurgence in popularity today. With claims ranging from faster growth to thicker, healthier strands, it’s easy to see why people turn to these remedies. But how effective are they, really? In this article, we’ll explore some of the most common DIY hair growth treatments like rice water rinses, oil massages, and onion juice, looking at the scientific evidence behind their effectiveness, historical roots, and how to use them safely.

The Science of Hair Growth

Before diving into specific treatments, it’s important to understand the basic biology of hair growth. Hair grows from follicles located in the scalp. Each strand of hair goes through a growth cycle consisting of three phases: Anagen (growth phase), Catagen (transitional phase), and Telogen (resting and shedding phase). Most of the natural remedies aim to extend the Anagen phase, improve scalp health, or strengthen the hair shaft.

Hair growth is also influenced by factors like genetics, hormones, diet, and overall health, so results from DIY treatments can vary depending on these variables.

1. Rice Water Rinses: History and Effectiveness

Historical Background: Rice water rinses have been used for centuries, especially in Asia. The women of the Yao ethnic group in China, famous for their long, thick hair, credit rice water as part of their hair care routine. In Japan, women from the Heian period (794 to 1185 AD) were also known for using fermented rice water to maintain long, glossy hair.

Scientific Evidence: Rice water is rich in inositol, a carbohydrate that has been shown to repair damaged hair. It also contains amino acids, vitamins B and E, and minerals, all of which are beneficial for hair health. Research has suggested that inositol can stay in the hair even after rinsing, providing continued protection against damage and improving hair elasticity.

How to Use: To make rice water, soak a cup of rice in two cups of water for 30 minutes, then strain the liquid. For a fermented version (which is considered even more beneficial), let the rice water sit for 24 to 48 hours before using it. Apply the rice water as a rinse after shampooing, leaving it on your hair for 10 to 20 minutes before rinsing it out.

Does it work?
Yes, rice water can strengthen hair, improve elasticity, and reduce breakage. However, it doesn’t necessarily speed up hair growth directly. It’s best used to prevent damage and maintain healthy hair.

2. Oil Massages: Castor Oil, Coconut Oil, and Olive Oil

Historical Background: Oils have been a staple in hair care for thousands of years. In Ancient Egypt, castor oil was used to stimulate hair growth and moisturize the scalp. In Ayurvedic medicine from India, coconut oil and other herbal oils have long been used to nourish the scalp and promote hair growth.

Scientific Evidence:

• Castor Oil: Castor oil contains ricinoleic acid, which is believed to improve blood circulation to the scalp, promoting hair growth. It also has anti-inflammatory and antimicrobial properties, which can improve scalp health.
• Coconut Oil: Coconut oil is rich in lauric acid, which can penetrate the hair shaft and reduce protein loss from damage. This helps in keeping the hair strong and less prone to breakage.
• Olive Oil: Olive oil is packed with antioxidants, including vitamin E, which helps fight oxidative stress that can contribute to hair loss. It also helps condition and strengthen the hair.

How to Use: Warm your chosen oil slightly before applying it to the scalp. Massage the scalp gently in circular motions for about 10 minutes to stimulate blood flow. Leave the oil on for at least 30 minutes or overnight for a deeper treatment before washing it out.

Does it work?
Oil massages can improve scalp circulation and condition the hair, reducing hair breakage and scalp dryness. Castor oil has anecdotal evidence of promoting hair growth, though more research is needed to confirm its effects. Coconut and olive oils are particularly effective in strengthening and moisturizing the hair.

3. Onion Juice: An Unusual Yet Popular Remedy

Historical Background: Onion juice as a hair growth remedy has roots in traditional medicine, particularly in India. Onion juice is thought to increase hair growth by improving scalp health and stimulating hair follicles.

Scientific Evidence: Onion juice contains a high concentration of sulfur, which is an essential component of keratin, the protein that makes up hair. Sulfur is believed to help regenerate hair follicles and reduce scalp inflammation. A small 2002 study published in the Journal of Dermatology found that applying onion juice to the scalp twice daily led to significantly more hair regrowth in people with alopecia areata, an autoimmune condition that causes hair loss.

How to Use: To make onion juice, blend or grate a few onions and strain the juice. Apply it to your scalp and leave it on for 15 to 30 minutes before rinsing it out thoroughly. Due to its strong smell, you may want to follow up with a scented shampoo or rinse.

Does it work?
Yes, onion juice has shown promising results in improving hair growth, particularly in cases of alopecia areata. However, it may not be as effective for general hair thinning due to other causes.

4. Aloe Vera: A Soothing Remedy for Scalp Health

Historical Background: Aloe vera has been used for centuries to treat a variety of skin conditions, including burns and irritation. Ancient Egyptians referred to aloe as the “plant of immortality,” and it was used to keep the skin and scalp healthy.

Scientific Evidence: Aloe vera contains enzymes that help exfoliate the scalp, removing dead skin cells that can clog hair follicles and inhibit hair growth. Its anti-inflammatory properties can also soothe scalp conditions like seborrheic dermatitis and dandruff, which can contribute to hair thinning. Aloe is also rich in vitamins A, C, and E, which help promote healthy hair growth by fighting free radical damage.

How to Use: Apply fresh aloe vera gel directly to your scalp and leave it on for 20 to 30 minutes before washing it off. Aloe can also be mixed with oils or other natural ingredients for a more nourishing hair mask.

Does it work?
Aloe vera is excellent for maintaining scalp health, which is key to encouraging hair growth. However, it doesn’t directly speed up the hair growth process.

5. Apple Cider Vinegar Rinse: Balancing Scalp pH

Historical Background: Apple cider vinegar (ACV) has been used for centuries in various cultures as a natural remedy for scalp and hair health. The ancient Romans were known to use vinegar rinses to cleanse and clarify their hair.

Scientific Evidence: ACV helps balance the pH of the scalp, which can be disrupted by shampoos and hair products. A balanced pH creates an optimal environment for hair growth. ACV also contains alpha-hydroxy acids that exfoliate the scalp, removing dead skin cells and product buildup that can block hair follicles. Its antimicrobial properties can help reduce dandruff and scalp infections.

How to Use: Mix 2-4 tablespoons of apple cider vinegar with a cup of water and use it as a final rinse after shampooing. Let it sit for a few minutes before rinsing it out with water.

Does it work?
Yes, ACV is effective in promoting scalp health, which is essential for hair growth. It helps to clarify the scalp and remove buildup, but like many treatments, it may not directly speed up hair growth.

What Doesn’t Work?

1. Egg Masks: While egg yolks are high in protein, which is good for hair, the benefits of using egg masks on the scalp for hair growth are not well-supported by scientific evidence. It’s best to focus on protein from dietary sources rather than topical egg treatments.

2. Mayonnaise: Often touted as a hair conditioner, mayonnaise can make hair feel softer temporarily, but it’s not effective for hair growth or long-term health. Its greasy texture can also lead to scalp buildup if not properly washed out.

3. Beer Rinses: Some believe that beer’s B vitamins and proteins can help strengthen hair, but there’s little scientific evidence to support this. While it may add some shine, beer rinses won’t affect hair growth.

In Summary

DIY natural hair growth treatments can be effective, but results vary depending on the remedy and the individual. Treatments like rice water, oil massages, onion juice, and aloe vera have some scientific backing and are worth trying if you’re looking to improve scalp health and reduce breakage. However, it's important to remember that no DIY remedy will replace a healthy diet, good hair care practices, and proper medical treatment for underlying health conditions that may affect hair growth.