No, onion juice doesn't directly dye hair a new color, but its antioxidants, sulfur, and catalase can help combat premature greying by fighting oxidative stress and reducing hydrogen peroxide, potentially keeping hair darker and healthier longer; it won't turn white hair black, but can slow down further greying and improve natural hair color. Some people also use onion peels to get a slight tint, but this isn't a major color change, more a deepening or enriching of the current shade.
#9 - Onion Juice
Onion oil helps in reversing grey hair to black from the roots. You only need to take the juice from the onion and massage it on your scalp. Keep for 30 mins and then wash. This grey hair treatment should be followed twice a week.
Antioxidants in onion juice combat oxidative stress, a primary cause of premature greying, helping retain your hair's natural color longer.
Korean grey hair treatments focus on nourishing the scalp, using natural ingredients like ginseng to boost melanin (like WT Methode or Daeng Gi Meo Ri) for potential color restoration, or employing pigmented shampoos (like Moda Moda or Ryo) for temporary darkening, often avoiding harsh chemicals for gentle coverage, alongside general hair health via oils, serums, and toning. While no magic cure reverses all gray, these K-beauty approaches manage premature graying and maintain color naturally.
Sometimes this can also affect the beard and/or eyebrows. One small study found that treating alopecia areata with onion juice led to hair regrowth in 87% of patients after six weeks [2]. By comparison, only 13% of the placebo group saw regrowth after eight weeks.
Common Side Effects of Onion Juice on Hair
Some people may experience scalp irritation, redness, or a burning sensation, especially during the first few uses. You might also notice increased hair fall initially—this is normal as weak hairs are shed to make way for stronger growth.
Here are some effective tips:
Gray hair is often associated with aging, but for many millennials and Gen Zers, those frosty strands are showing up far earlier than expected. While genetics and stress are the usual suspects, experts suggest another overlooked factor could be at play: mineral deficiencies.
Japanese women understand the importance of keratin treatments to deeply repair and strengthen their hair. They often apply treatments rich in keratin, a protein naturally present in hair fibers, to restore the shine and structure of damaged hair.
For starters, if you are allergic to onions or even its smell, it is not a good idea to use onion juice for hair. Better to look for other natural remedies. Onion juice for hair growth side effects also include skin irritability if you have very sensitive skin.
To make dark hair dye fade faster, you can use clarifying shampoo or a dandruff shampoo, which helps strip away the color. Washing your hair frequently with hot water can also help speed up the fading process. Additionally, exposing your hair to sunlight can naturally lighten the dye.
Although hair mainly turns white with age, scientists have discovered other factors that cause it, such as stress and heredity.
Indigo Oil Indigo is known for its natural dyeing properties. It helps control grey hair and can impart a natural darkening effect to your hair.
Additional Tips for Managing Hair Greying
Prevents Premature Graying
Dehydrated Red Onion contains antioxidants like quercetin, which neutralizes free radicals and protects hair from premature aging. Using onion-based hair masks or applying onion-infused oil can delay the appearance of gray hair and maintain the natural color for a longer period.
Q: Can Vitamin B12 prevent gray hair? A: While there is no conclusive evidence that Vitamin B12 can reverse grey hair, it may help prevent premature greying by supporting overall hair health. Adequate levels of Vitamin B12 contribute to healthy hair growth and may help maintain hair color.
Dr. Reed sees cultural pressures and lifestyle aspects as contributing to Gen Z aging faster than millennial (TikTokker Jordan Howlett's post about being a rapidly aging Gen Zer has 3.6 million views). “It's thought that Gen Z is a more stressed generation, and this can show on the skin via increased cortisol levels.
Hair-graying onset varies with race, with the average age for Caucasians being mid-thirties, that for Asians being late thirties, and that for Africans being mid-forties.
It works by removing product buildup and environmental residues that can accentuate gray strands. By tightening the hair cuticles, it also gives hair a smoother texture and a natural shine, making grays less stark.
3. Diet and Nutrition for Melanin Production
For a youthful look at 60, opt for warm, soft, blended colors like honey blonde, caramel, warm auburn, or chocolate brown with caramel highlights, which add brightness and soften features, avoiding harsh, solid dark colors or platinum blonde. Adding subtle highlights or lowlights creates dimension, and embracing natural gray with a silver or platinum shade can also be very modern and flattering, especially with a soft, layered cut.
Mix one egg with the juice of one small onion. Apply the mixture to your scalp and hair, focusing on the roots. Leave it on for 30 minutes before shampooing. Onion juice helps stimulate hair growth and reduces hair fall.
What Are the Risks of Using Onion Juice on my Hair? While onions are a natural product and a common part of many people's diets, it may cause irritation among some people, especially if they are allergic. Side effects may include scalp irritation, redness and itching.
Freezing: For long-term storage, freeze the onion juice in ice cube trays. Once frozen, transfer the cubes to a zip-lock bag or an airtight container. This method allows you to use small portions of onion juice as needed.