Storage & Shelf Life
Keep in a dark glass bottle away from sunlight
Refrigerates up to 3 months
Room temperature: 1–2 months
Always smell before use — if it smells rancid, discard
Common Mistakes to Avoid
Mistake Why It’s Bad Fix
Using refined oils Fewer nutrients Choose cold-pressed
Boiling the oil directly Destroys active compounds Use double boiler only
Not straining properly Leaves onion bits → smells bad Strain twice through muslin
Applying every day Can irritate scalp Stick to 2–3 times/week
Frequently Asked Questions (FAQ)
Q: Does onion oil really work for bald patches?
A: It can support regrowth in cases of non-scarring alopecia areata (as shown in the 2002 study), but results vary. It won’t help genetic pattern baldness alone.
Q: Will my hair smell like onion forever?
A: No. Wash properly with shampoo twice, and add the rosemary + lavender trick above — 99% of users report no lingering smell.
Final Thoughts
Making your own onion oil at home is inexpensive, completely natural, and surprisingly effective when done right. Thousands of people (including myself and many readers) have seen noticeable less shedding and healthier-looking hair within a couple of months. Give it a try for 8–12 weeks — you have nothing to lose except a few extra hairs in your brush.
Disclaimer: This article is for informational purposes only and is not medical advice. Results vary from person to person. Always do a patch test before using onion oil, as it may cause irritation in sensitive individuals. Consult a healthcare professional for any underlying scalp or hair loss conditions.
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