Applying onion juice to the scalp might actually be an effective remedy for dandruff. Onion is known for its sulfur content, which can improve blood circulation and possibly reduce dandruff. It’s likely oily or combination-scalped individuals might benefit more, especially if their dandruff is connected to fungal infections. For dry scalp issues, onion might be less suitable.
In the Siddha-Ayurvedic perspective, dandruff can be linked to an imbalance in the Kapha dosha, which leads to accumulation of toxins on the scalp. Onion’s heating property might help in balancing this Kapha by increasing Pitta, enhancing metabolism and removing stagnation. However, individual constitutions (Prakriti) play a crucial role—what works for one may not work for another.
Before applying onion juice, it’s wise to perform a patch test on the skin to check for irritation or allergies. As for the smell, yes, onion juice can be quite pungent! Try mixing it with a bit of lemon juice or essential oils like lavender to neutralize the odor. Applying the mixture 2-3 times a week might be plenty, giving your scalp some time to respond.
After application, letting the juice settle for 30 minutes before rinsing it with a mild herbal shampoo might do the trick. For managing lingering smell, rinse your hair with diluted apple cider vinegar (1 part vinegar to 3 parts water). Another helpful tip is to follow up with aloe vera gel—it can soothe your scalp and counter the odor.
If you do not notice improvement after consistent use in a month, or if your scalp irritation increases, consult an Ayurvedic practitioner. They can provide a personalized analysis considering your dosha (individual energy) balance and advise accordingly. And if there’s excessive itching or inflammation, it’s worth seeking medical help as underlying conditions might need immediate attention. Always prioritize health and safety when trying new remedies.


