What coconut, rosemary, onion and castor oil can really do.
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No oil can switch on new follicles, but the right one cuts breakage so your hair can hold on to the length it grows.
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Lab research shows it gets inside the hair shaft and reduces protein loss during washing, which means less breakage.
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One small trial matched low-strength minoxidil after six months. Dilute 3–5 drops in a tablespoon of carrier oil.
04 / 06
Onion studies used raw juice, not oil, and castor has no good human evidence for growth. Castor does seal dry ends.
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Malassezia yeast feeds on certain oils. Treat flakes with an anti-dandruff shampoo first and keep oil off the scalp.
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Warm, not hot. Massage with fingertips for 3–5 minutes, leave 1–2 hours, once or twice a week before a wash day.
Best Hair Oil for Hair Growth in India (2026): Honest Guide